PAC Newsletterpmd

Document Sample
PAC Newsletterpmd Powered By Docstoc
					    THE                                                                          May 2006


                 Who Wants to be a Daredevil?
By Patrick L. Barry and Dr. Tony Phillips                        Autonomous Navigation. AutoNav used artificial
      When exploring space, NASA naturally wants to intelligence to steer the spacecraft without human
use all the newest and coolest technologies—artificial intervention. It worked so well that elements of
intelligence, solar sails, onboard supercomputers,               AutoNav were installed on a real mission, Deep Impact,
exotic materials.                                                                                      which famously
      But “new” also                                                                                   blasted a crater in
means unproven and                                                                                     Comet Tempel 1 on
risky, and that could be                                                                               July 4, 2005. Without
a problem. Remember                                                                                    AutoNav, the projec-
HAL in the movie                                                                                       tile would have com-
“2001: A Space Odys-                                                                                   pletely missed the
sey”? The rebellious                                                                                   comet.
computer clearly                                                                                             Some NMP
needed some pre-flight                                                                                 technologies “allow us
testing.                                                                                               to do things that
      Testing advanced                                                                                 we literally could not
technologies in space is                                                                               do before,” says Jack
the mission of the New                                                                                 Stocky, Chief Tech-
Millennium Program                                                                                     nologist for NMP.
(NMP), created by                                                                                      Dozens of innovative
                              Artist’s rendering of a four-quadrant solar sail propulsion system, with
NASA’s Science Mis-           payload. NASA is designing and developing such concepts, a sub-          technologies tested by
sion Directorate in 1995 scale model of which may be tested on a future NMP mission.                   NMP will lead to
and run by JPL. Like                                                                                   satellites and space
the daredevil test pilots of the 1950s who would fly             probes that are smaller, lighter, more capable and even
the latest jet technology, NMP flies new technologies cheaper than those of today.
in space to see if they’re ready for prime time.                        Another example: An NMP test mission called
That way, future missions can use the technologies               Space Technology 9, which is still in the planning
with much less risk.                                             phase, may test-fly a solar sail. Solar sails use the
      Example: In 1999, the program’s Deep Space 1 slight pressure of sunlight itself, instead of heavy fuels,
probe tested a system called “AutoNav,” short for                to propel a spacecraft. Two proposed NASA missions
       BOARD OF DIRECTORS                                                    Monthly Star Party
President                  Leon Corcoran              778-1261         Our Monthly Star Parties will be held at Gene and
Vice President             Russ Schnitzer             717-0623    Carol Giermann’s on the 4th Saturday of each month.
Secretary                  Gene Giermann              445-6772    Come before it gets dark so we can set up our scopes
Treasurer                  John Paulsen               778-3102    and eliminate your headlights from ruining our night
                                                                  vision. Please bring red flashlights to use during the
       DIRECTORS AT LARGE                                         viewing.
2 Years 01-07              Dick Lewis                 442-9015
2 Years 01-07              Bill McDonald              708-9753
2 Years 01-08              Gary Frey                  632-7355
2 Years 01-08              Open Seat                  541-9579

                 CLUB CHAIRS
ALCOR                      Gloria & Ray Fobes         443-1598
HOSPITALITY                Carol Giermann             445-6772
MEMBERSHIP                 Gene Giermann              445-6772
NEWSLETTER                 Gene Giermann              445-6772
PHOTOS                     Cynthia Schnitzer          717-0623
PUBLICITY                  Carol Giermann             445-6772
SUBSCRIPTNS                Clyde Bauer                445-1146
OPTICS                     Russ Schintzer             717-0623
WEBPAGE                    Gary Frey                  632-7355
PROGRAMS                   Russ Schnitzer             717-0623

          2006 Schedule
May 6    Highland Nature Center                                                          Directions:
May 13   Meeting, St. Luke’s Episcopal Church                     Go west on Center Street in Chino Valley (the first
May 17   META SIG Dinner
May 20   Starry Nights @ Watson Lake                              stoplight coming to Chino from Prescott. Go
May 27   Viewing @ Giermann’s                                     approximately 4 miles, past the second cattle guard
                                                                  and make the first right after the second cattle
In 2006 the Club General Meetings will be on the 2nd Saturday     guard. There should be signs pointing you the way
of each month at St. Luke’s Episcopal Church and the monthly      from there. If not, go right, up a little hill and make
Star Parties will be on the 4th Saturday. The META SIG will
meet on the Wednesday after the General Meeting.                  the first left. We are the second house on the left.
                                                                  From Williamson Valley: Go east on Nancy to T
                                                                  intersection with Brenda. Go right on Brenda to
                                                                  bottom of hill and follow the road left. You are now
                                                                  on West Brenda Trail. Go through the wash, over
                                                                  the hill, make the left, go a little distance and the
                                                                  road makes a right. Follow the road. Go down the
           Club Website                                           hill, through 2 washes and up a little hill. We are
                                                                  the third house on the right after the 2nd wash.
The Prescott Astronomy Club
PAC newsgroup
                                                                  From either direction, look for the little telescope
If you have pictures for the website, please send those to Gary   and the PAC signs.
Frey                                         3475 West Brenda Trail
If you need pictures digitized, call Gene Giermann 445-6772       445-6772
would be possible only with dependable solar sails—             May 12 and May 28.
L1 Diamond and Solar Polar Imager—both of which                       "We are very well acquainted with the trajectory
would use solar sails to fly spacecraft that would study        of Comet 73P Schwassmann-Wachmann 3," said
the Sun.                                                        Donald Yeomans, manager of NASA's Near-Earth
     “The technologies that we validate have future             Object Program Office, in a written statement. "There
missions that need them,” Stocky says. “We try to               is absolutely no danger to people on the ground or the
target [missions] that are about 15 to 20 years out.”           inhabitants of the International Space Station, as the
     A menagerie of other cool NMP technologies                 main body of the object and any pieces from the
include ion thrusters, hyperspectral imagers, and               breakup will pass many millions of miles beyond the
miniaturized electronics for spacecraft navigation and          Earth."
control. NMP focuses on technologies that have been                   The main SW 3 fragment, dubbed Fragment C,
proven in the laboratory but must be tested in the              will make its closest pass by Earth on May 12 at a safe
extreme cold, vacuum, and high radiation environment            distance of 7.3 million miles (11.7 million kilometers),
of space, which can’t be fully recreated in the lab.            NASA said, adding that skywatchers will be able to
     New NMP missions fly every year and one-half               use small telescopes to spot the comet chunks by
to two years, taking tomorrow’s space technology for a          scanning the constellation Vulpelca during the early-
daredevil test drive.                                           morning hours. [Click here for a map of SW 3’s path
This article was provided by the Jet Propulsion Laboratory,     across the sky.]
California Institute of Technology, under a contract with the         NASA’s Hubble Space Telescope and other
National Aeronautics and Space Administration.
                                                                instruments have been watching SW 3’s disintegration.
                                                                The comet’s numerous fragments stretch across sev-
                                                                eral degrees of the night sky. For comparison, the
                                                                Moon’s diameter covers about one-half a degree in the
   NASA Says Comet Fragments                                          "Catastrophic breakups may be the ultimate fate
        Won't Hit Earth                                         of most comets," explained Hal Weaver, a planetary
By Tariq Malik, Staff Writer,                         astronomer of the Johns Hopkins University Applied
      Chunks of a comet currently splitting into pieces         Physics Laboratory, in a statement.
in the night sky will not strike the Earth next month,                Weaver led a team of researchers during the
nor will it spawn killer tsunamis and mass extinctions,         Hubble observations of SW 3, and used the space
NASA officials said Thursday.                                   telescope to study the break up of comets Shoemaker-
      The announcement,                                         Levy 9 – which was ripped apart by Jupiter’s gravity
NASA hopes, will squash                                         and hit the giant planet between 1993 and 1994 –
rumors that a fragment of                                       Hyakutake in 1996, and 1999 S4 (LINEAR) in 2000,
the crumbling Comet 73P/                                        NASA said.
Schwassmann-Wachmann                                                  Hubble’s new SW 3 observations suggest that
3 (SW 3) will slam into                                         chunks of the comet are pushed behind its tail by the
Earth just before Memo-                                         outgassing of Sun-facing pieces. Smaller pieces appear
rial Day.                                                       to be ejected from their nucleus faster than their larger
      “There are some Internet stories going around             brethren, while other fragments seem to simply fade
that there’s going to be an impact on May 25,” NASA             away.
spokesperson Grey Hautaluoma, told                         When set alongside studies by other observato-
“We just want to get the facts out.”                            ries, Hubble’s images may help astronomers determine
      Astronomers have been observing 73P/                      what is causing the comet’s disintegration as it nears
Schwassmann-Wachmann 3, a comet that circles the                the Earth and Sun, the space agency added.
Sun every 5.4 years, for more than 75 years and are                   German astronomers Arnold Schwassmann and
confident that any of the icy object’s fragments will           Arno Arthur Wachmann first discovered the SW 3
remain at least a distant 5.5 million miles (8.8 million        comet in 1930 while hunting for asteroids. Despite its
kilometers) from Earth – more than 20 times the                 relatively short orbital period, the icy object was not
distance to the Moon – at closest approach between
seen again until 1979, and then was missed during a            9:16 PM satellite moves in front of planet
1985 pass.                                                     9:19 PM shadow falls on planet
      Since then, however, astronomers have kept a            11:24 PM satellite moves from in front of planet
close eye on SW 3 and in 1995 observed its initial            11:29 PM shadow leaves planet
break up.                                                           On Monday, May 8, between 3:10 AM and 4:00
      Aside from a great sky show, the comet poses no         AM, you can see a comet near a planetary nebula.
danger to Earth and its inhabitants, NASA officials           Comet Schwassmann-Wachmann 3 (mag 4?) will be
said.                                                         passing by M57, the ring nebula (mag 9). Binoculars
                    If it's clear...                          should show the fairly big comet, but you will want a
by Fulton Wright, Jr., Prescott Astronomy Club for May 2006
                                                              small (3 inch) telescope to see the nebula. The observ-
      Shamelessly stolen information from Sky &               ing window occurs between moonset and morning
Telescope magazine, Astronomy magazine, and any-              twilight.
where else I can find info. When gauging distances,                 On Thursday, May 11, you can see a transit of
remember that the Moon is 1/2 a degree or 30 arc              Ganymede in front of Jupiter. This happens fairly near
minutes in diameter. All times are Mountain Standard          the north pole of Jupiter.
Time unless otherwise noted.                                   9:56 PM satellite moves in front of planet
      This month we have 4 chances to see a complete          10:11 PM shadow falls on planet
transit of a Jupiter moon. Because the planet is near         11:19 PM satellite moves from in front of planet
opposition, the entrance of the transit and the appear-       12:12 AM shadow leaves planet
ance of the shadow happen at nearly the same time. A                On Saturday, May 13, you can see a transit of Io
similar situation holds for the exit. See May 2, 6, 10,       in front of Jupiter.
and 13 for details.                                           11:00 PM satellite moves in front of planet
      Early this month you can see a comet in the             11:13 PM shadow falls on planet
morning sky without interference from the Moon. On             1:08 AM satellite moves from in front of planet
May 13 the comet will be nearest the earth (only 0.08          1:23 AM shadow leaves planet
astronomical units) and brightest (mag 3.5?) but                    Near the end of the month Saturn is near the
moonlight will spoil the dark sky. See May 8 below for        Beehive cluster. With binoculars or a small (3 inch)
an interesting event. You can find more info about            telescope look 30 degrees above the west horizon at
Comet Schwassmann-Wachmann 3 in Sky & Tele-                   about 9PM. The Moon will also be in the area.
scope magazine, May 2006, p. 60. and at This comet has several pieces
                                                              Space Weather News for April 27,
and seems to be fairly active so it is good idea to keep                   2006
up with the latest on the web.                            
      On Monday, May 1, about 8:00 PM, you can see                  CRACKLING SUNSPOT: Big sunspot 875 is
the southeast part of the Moon at its best. With a small      crackling with solar flares. Earlier today it unleashed
(3 inch) telescope look 40 degrees above the west             an M8-flare, almost an X-class event. The sun's
horizon for the crescent Moon. The lower left part of         rotation is turning the spot toward Earth, raising the
the Moon is tilted toward us by libration. The viewing        possibility of Earth-directed eruptions in the days
should be good for a day on either side of this date.         ahead.
There is a second chance on May 29.                                 COMET NEWS: Dying comet 73P/Schwassmann
      On Tuesday, May 2, you can see a transit of             Wachmann 3 is falling apart with a vengeance. Even
Europa in front of Jupiter.                                   the fragments are fragmenting. Today's edition of
 8:55 PM shadow falls on planet                      shows a spectacular photo of
 9:01 PM satellite moves in front of planet                   "Fragment G" disintegrating into 15 or more pieces.
11:28 PM shadow leaves planet                                 Several of the comet's fragments are visible through
11:30 PM satellite moves from in front of planet              backyard telescopes, so amateur astronomers can
      On Saturday, May 6, you can see a transit of Io in      monitor events themselves. Sky maps and details are
front of Jupiter. Note that since we are past the May 3       available at .
opposition of the planet, the shadow now appears after              SOLAR FLARE ALERTS: Ham radio operators
the transit occurs.                                           and solar photographers, would you like to know when
X-flares are happening? Instant solar flare alerts from         Galaxies Don Mask of Stars in
SpaceWeather PHONE (http:// allow you to catch solar                      New Spitzer Image
eruptions in the act.                                        For Release: April 26, 2006
                                                                  A pair of dancing galaxies appears dressed for a
    SkyShed POD (Personal                                    cosmic masquerade in a new image from NASA's
                                                             Spitzer Space Telescope.
 Observatory Dome) Announced!                                                                           The infrared
      We recently announced a new product we've been                                              picture shows what
working on for years. It's based on your feedback. The                                            looks like two icy
product is SkyShed POD                                                                            blue eyes staring
      (Personal Observatory Dome).                                                                through an elaborate,
       POD is a 7' X 7.5" plastic observatory that is                                             swirling red mask.
made of fitted panels so that it can be used as a por-                                            These "eyes" are
table or permanent observatory. The plastic is the same                                           actually the cores of
type as used in outdoor garden furniture and children's                                           two merging galax-
outdoor playground toys. It's very strong and light                                               ies, called NGC
weight. POD will have a 2" thick (hollow) wall and be                                             2207 and IC 2163,
made of high density plastic.                                                                     which recently met
      Retail price will be around a $1000.00 US. for the                                          and began to twirl
base model. Additional POD "Bays" will be available          around each other.
to provide more storage and technology areas. POD                 The "mask" is made up of the galaxies' twisted
will ship directly from our factory to your door, for a      spiral arms. Dotted along the arms, like strings of
very low shipping cost. POD will be available initially      decorative pearls, are dusty clusters of newborn stars.
in North America and little later in other parts of the      This is the first time that clusters of this type, called
world.                                                       "beads on a string" by astronomers, have been seen in
      Since announcing POD we have been inundated            NGC 2207 and IC 2163.
with emails (hundreds) and web hits (thousands) for               "This is the most elaborate case of beading we've
people wanting, some begging, for a POD asap.                seen in galaxies," said Dr. Debra Elmegreen of Vassar
      POD does not replace SkyShed Roll Off. It's for a      College in Poughkeepsie, N.Y. "They are evenly
different segment of the market. Although many of our        spaced and sized along the arms of both galaxies."
roll off customers will like POD because their roll off           Elmegreen is lead author of a paper describing the
is not portable and they can't for instance take it to the   Spitzer observations in the May 1 issue of the Astro-
cottage or a star party, whereas POD they can. We            physical Journal.
already have roll off customers who want a POD asap.              Astronomers say the beads were formed when the
They'll use it in addition to their roll off. I personally   galactic duo first met. "The galaxies shook each other,
will set up a POD on a part of my property where I get       causing gas and dust to move around and collect into
a much better south facing view, but there was no            pockets dense enough to collapse gravitationally," said
room to build a SkyShed.                                     Dr. Kartik Sheth of NASA's Spitzer Science Center at
      Here's a link to the new POD website                   the California Institute of Technology in Pasadena. and here's a direct link to a             Once this material condensed into thick bead-like
POD Features sheet                clouds, stars of various sizes began to pop up within
PODFeatures.pdf . There are links on the sheet if you        them.
want to try to qualify as a POD Beta Tester or if you'd           Spitzer's infrared camera was able to see the
like to be updated with POD news, etc..                      dusty clouds for the first time because they glow with
There is a law in amateurastronomy that the quality          infrared light. The hot, young stars housed inside the
of your skies is inversely proportional to the price         clouds heat up the dust, which then radiates at infrared
of your new toy and inversely proportional to the            wavelengths. This dust is false-colored red in the
square of the distance your toy was shipped.                 image, while stars are represented in blue.
Written out it is Q = 1/$(d)^2.
      The Spitzer data also reveal an unusually bright       who have the same interest ... the night sky!
bead adorning the left side of the "mask." This daz-               LOCATION: UT Arlington is in Arlington, Texas,
zling orb is so packed full of dusty materials that it       just off Interstate 30 in the Heart of the Dallas/Fort
accounts for five percent of the total infrared light        Worth Metroplex. You will be minutes from world-
coming from both galaxies. Elmegreen's team thinks           class museums, numerous entertainment facilities,
the central stars in this dense cluster might have           such as Six Flags Over Texas, 10 professional sports
merged to become a black hole.                               venues such as the American League Texas Rangers,
      Visible-light images of the galaxies show stars        and only 15 miles from D/FW International Airport. If
located inside the beads, but the beads themselves are       serious shopping is of interest, the malls in North
invisible. In those pictures, the galaxies look more like    Dallas are superb. If the Old West is of interest, the
a set of owl-like eyes with "feathers" of scattered stars.   Stock Yards in North Fort Worth is a must!
      NGC 2207 and IC 2163 are located 140 million                 ACCOMMOCATIONS: Special rates for
light-years away in the Canis Major constellation. The       ALConExpo 2006 are available at the Marriott’s
two galaxies will meld into one in about 500 million         SpringHill and TownePlace Suites in Arlington.
years, bringing their masquerade days to an end.             Reservations must be made by July 5, 2006, for these
      Other authors of this research include Bruce           rates. Shuttle service will be provided to/from the
Elmegreen of IBM Watson Research Center, Yorktown            hotels, D/FW International Airport, and UT Arlington
Heights, N.Y., Michele Kaufman of Ohio State Univer-         with limited hours. In addition, a limited number of
sity, Columbus; Curt Struck of Iowa State, Ames;             rooms will be available in one of the University’s
Magnus Thomasson of Onsala Space Observatory,                residence halls - Arlington Hall - which is adjacent to
Sweden; and Elias Brinks of the University of                University Center. Payment for these rooms must be
Hertfordshire, United Kingdom.                               received in advance by May 29, 2006.
      The Jet Propulsion Laboratory manages the                    SPECIAL EVENTS: The Astronomical League’s
Spitzer Space Telescope mission for NASA's Science           Annual Council Meeting will be held in University
Mission Directorate, Washington. Science operations          Center on August 3, 2006. An exciting dinner and
are conducted at the Spitzer Science Center at Caltech.      excursion to the Oscar E. Monnig Meteorite Gallery at
JPL is a division of Caltech. Spitzer's infrared array       TCU is also planned for the night of August 3, 2006.
camera was built by NASA's Goddard Space Flight              A Star-B-Que and star party are scheduled for Friday
Center, Greenbelt, Md. The instrument's principal            night, August 4, 2006. Additional surprises are planned
investigator is Dr. Giovanni Fazio of the Harvard-           in conjunction with other North Texas astronomical
Smithsonian Center for Astrophysics.                         societies.
      For more information about NASA and agency                   MORE INFORMATION: You may contact
programs on the Web, visit              Convention Chair, Dr. Linda Fay McCalla, at
home/                                                        _lindamccalla@..._ (mailto:lindamccalla@...) or the
                                                             Convention Co-Chair Jeff Barton at
           ALCON EXPO 2006                                   _chipdatajeffb@..._ (mailto:chipdatajeffb@...) .
      The Texas Astronomical Society of Dallas is host             Visit the offical Alcon Expo 2006 website and
for this year’s Astronomical League Convention and           register online at http://www.AlconExpo.com_ (http://
Exposition on the campus of the University of Texas .
at Arlington (UT Arlington). The University’s College              EXPLORE THE LONE STAR SKY!
of Science is sponsoring us on the campus. Conven-
tion headquarters will be in the E. H. Hereford Uni-
versity Center.
                                                                       Astronomical League
      MEMORABLE OCCASION: You will be                                            Observing Clubs
enlightened by excellent speakers, special programs in             This article will continues to highlight two more
UT Arlington’s new state-of-the-art digital plan-            of the Astronomical League observing clubs; one of
etarium, the Astronomical League’s Annual Awards             the Telescopic Clubs and one of the Topical Clubs.
Banquet, plus an astronomical trade show and vendor          This info is taken from their respective Astronomical
exposition featuring the latest innovations. Also, you       League Web pages. For additional information go to:
will enjoy seeing old friends and making new ones, all
                   Open Cluster Club                         is also required to make a sketch of any 25 (twenty-
      Open clusters are of tremendous importance to          five) clusters they observe.
the science of astronomy, if not to astrophysics and                        Planetary Observers Club
cosmology generally. Star clusters serve as the “labora-           The Astronomical League’s Planetary Observers
tories” of astronomy, with stars now all at nearly the       Club is a list of twenty-seven selected projects de-
same distance and all created at essentially the same        signed to introduce you to the pleasures of planetary
time. Each cluster thus is a running experiment, where       observing. Observing skills come only with experi-
we can observe the effects of composition, age, and          ence. An eye trained by observing will see more,
environment. We are hobbled by seeing only a snap-           regardless of what type of optical aid is used. Good
shot in time of each cluster, but taken collectively we      observing skills reinforce the desire to observe. Ob-
can understand their evolution, and that of their in-        serving trains the eye to see. It is a cycle that has to be
cluded stars. These clusters are also important tracers      willed to happen. Given the time and effort it WILL
of the Milky Way and other parent galaxies. They help        happen. Once it happens, astronomy will become a
us to understand their current structure and derive          joyful lifelong experience.
theories of the creation and evolution of galaxies. Just           To qualify for the A.L.’s Planetary Observers
as importantly, starting from just the Hyades and the        Club Certificate and pin, you need to complete twenty-
Pleiades, and then going to more distance clusters,          five of the suggested projects. Record your observa-
open clusters serve to define the distance scale of the      tions on copies of the included log. Some observations
Milky Way, and from there all other galaxies and the         may require sketches, but don’t panic; artistic prowess
entire universe.                                             is not required.
      However, there is far more to the study of star              Projects include observing the Sun and Moon; the
clusters than that. Anyone who has looked at a cluster       Inner Solar System and the Outer Solar System.
through a telescope or binoculars has realized that                When you complete all the requirements for one
these are objects of immense beauty and symmetry.            of these clubs simply bring your log sheets to a club
      Whether a cluster like the Pleiades seen with          meeting or mail them along with your name, address,
delicate beauty with the unaided eye or in a small           phone number to our club’s Awards Coordinator for
telescope or binoculars, or a cluster like NGC 7789          verification:
whose thousands of stars are seen with overpowering           Prescott Astronomy Club
wonder in a large telescope, open clusters can only          ALCOR: Ray Fobes
bring awe and amazement to the viewer.                       342 West Gurley Street
      These sights are available to all. Whether a large     Prescott, AZ 96301
or small telescope is used, whether one observes with
only binoculars or the unaided eye, or whether one
observes from a dark sky location or a light-polluted
city, these clusters are there waiting on any clear night
for us to take a look.
      Performing this program and receiving the certifi-
cate and award pin, signifies that you too, have under-
taken the task of studying these wonderful and diverse
star systems and hopefully, have a new understanding
and appreciation for these deep sky objects.
      The nature of this program is not just observation
of the selected open clusters, but the ability to classify
them based on the Trumpler classification system.
Therefore, GO-TO and other computer controlled
telescopes are permitted along with manual (star
hopping, finderscopes, etc.) observing techniques. In
order to complete the requirements for the club, the
                                                             Cigar galaxy M82 captured by Hubble. Image credit:
observer is required to observe all 125 (one-hundred
and twenty-five) of the selected objects. The observer
              Meeting                                                PAC Store
            Information                                                 Items for Sale
                                                         We have t-shirts, hats and patches available, and
     PAC meetings are held each month. This year we          now we have sweatshirts. The prices are:
will have both a meeting and a club observing session
Check the schedule in the newsletter for the meeting or Hats         $12.00
activity location. Meetings are held at St. Luke’s
Episcopal Church at Hwy 89 & Ruger Road (North          3” Patch     $7.00
toward Chino Valley.                                    10” Patch    $12.00

       ***Magazine ***                                   T-shirts
                                                         S, M, L, XL $10.00
                                                         XXL         $12.00
     A reduced rate magazine subscription for mem-       Sweatshirts
bers only, can be obtained through the club.             S, M, L, XL $14.00
                                                         XXL         $18.00
Sky & Telescope for $32.95 per year
Astronomy for $34 per year, $60 for 2 years.             See Rich Leon at a meeting to purchase.

     For subscription renewals, send a check (made
out to Prescott Astronomy Club) and the postage           Yavapai Skies Discussion Group
paid envelope to the Subscription Chair, Prescott
Astronomy Club, Attn:Clyde Bauer, 324 W Gurley
                                                           Join for information about astronomy events in
St, Prescott AZ 86301. If you have any questions
                                                                          Yavapai County.
about a current subscription, please bring the address
label to Clyde

                                 MEMBERSHIP APPLICATION


MAILING ADDRESS_______________________________________________________________________

PHONE_____________________________________ EMAIL_______________________________________

MEMBERSHIP TYPE (Circle One)                   SINGLE             FAMILY               JUNIOR
         ANNUAL                                $20.00             $30.00               $10.00
         2ND-4TH QUARTER                       $15.00             $22.50               $ 7.50
         3RD-4TH QUARTER                       $10.00             $15.00               $ 5.00
         4TH QUARTER                           $ 5.00             $ 7.50               $ 2.50

EMAIL IN NEWSLETTER___________YES____________NO

Please complete the information, make a check payable to PAC for the proper amount and return to
Membership, Prescott Astronomy Club, 324 West Gurley St, Prescott, AZ 86301
    Pac Meeting Site
  St. Luke’s Episcopal
 2000 Shepherd’s Lane
 Corner of Ruger Road
      and HWY 89

Meetings will start at 6:30
PM with a 45 minute astro
  video starting at 5:45.
Board meeting will start at

                              Prescott, AZ 86305
                              324 West Gurley St

Shared By: