From: LARRY KLAES (ljk4_at_msn.com)
Date: Fri Apr 15 2005 - 04:25:44 PDT
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From: AstronomyNewsletter<mailto:AstronomyNewsletter_at_maillist.astronomymail.com>
To: ljk4_at_msn.com<mailto:ljk4_at_msn.com>
Sent: Friday, April 15, 2005 3:01 AM
Subject: Astronomy.com Newsletter 04/15/2005
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April 15, 2005
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ANDROMEDA'S VAST STARRY DISK
PLANETARY BILLIARDS
ECLIPSE SUCCESS AT SEA
STRUCTURE SCALES
APRIL ASTRO BYTES
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George Lilley captured M8, the Lagoon Nebula, from his K9 observatory.
Nicole Lathrop imaged the April 8 solar eclipse from Port Mayaca, Florida.
Mike Reynolds shot the solar eclipse from the Astronomy magazine
Michel Hersen imaged the Moon and the Pleiades from Portland, Oregon.
If you have images you'd like to share with other
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Receive Your guide to the Moon absolutely FREE when you subscribe
This great, new 16-page atlas of the Moon will take you and your
Click here to subscribe:
Offer good while supplies last.
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GALAXIES GALORE
Novice observers are justifiably a little scared of diving into Virgo.
The last bit of confusion to conquer occurs when you point your scope
For your first foray into the galaxy realm, anchor yourself to the star 6
Now you're ready for the deep end of the Virgo cluster. Draw the field size of
If you get lost, don't get frustrated - simply reset your scope on 6 Comae and
With short out-and-back forays like this, you can remain calm enough to enjoy
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>>This week's poll: Astronomy instruments
Although your arsenal may be large, what is your weapon of choice
http://list.astronomy.com/UM/T.asp?A12.80.159.11.278623 >>Last week's poll: Earthlike planets
What is the likelihood that astronomers will find an earthlike planet
http://list.astronomy.com/UM/T.asp?A12.80.159.12.278623 *****************************************************************
Astronomy joins forces with Meade Instruments Corporation and 28
>From Miami to New York, Salt Lake City to Hilo, Hawaii, this nationwide
Experts at the 28 venues will inspire and engage visitors with an array
Each participating organization will be giving away free material from Astronomy
A special episode of PBS's Jack Horkheimer: Star Gazer was recorded exclusively
For more information, please visit Astronomy.com:
To find an Astronomy Day event in your area, click here:
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Copyright 2005 Kalmbach Publishing Co.
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NEWS AND FEATURES
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M31 is a lot larger than it looks.
Click here to read this story:
http://list.astronomy.com/UM/T.asp?A12.80.159.1.278623
Researchers say the eccentric orbits of Upsilon Andromidae's planets
got that way by interacting with a wayward world.
Click here to read this story:
http://list.astronomy.com/UM/T.asp?A12.80.159.2.278623
For 36 seconds, the Moon covered the Sun in the South Pacific.
Click here to read this story:
http://list.astronomy.com/UM/T.asp?A12.80.159.3.278623
Weighing distant galaxy clusters may be easier than astronomers thought.
Click here to read this story:
http://list.astronomy.com/UM/T.asp?A12.80.159.4.278623
Ethanol splashdown, Arecibo's management, and the rovers that keep
on going and going and going
Click here to read this story:
http://list.astronomy.com/UM/T.asp?A12.80.159.5.278623
READER GALLERY
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Click here to view:
http://list.astronomy.com/UM/T.asp?A12.80.159.6.278623
Click here to view:
http://list.astronomy.com/UM/T.asp?A12.80.159.7.278623
South Pacific cruise aboard the M/S Paul Gauguin.
Click here to view:
http://list.astronomy.com/UM/T.asp?A12.80.159.8.278623
Click here to view:
http://list.astronomy.com/UM/T.asp?A12.80.159.9.278623
newsletter readers, attach them to an e-mail sent to
mailto:jmcgovern_at_astronomy.com<mailto:jmcgovern_at_astronomy.com>. Make sure you include
the date, location, equipment, and methods used in
taking and processing each image in your e-mail.
Receive a FREE GUIDE TO THE MOON
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to or renew Astronomy magazine.
telescope through the entire lunar cycle, showing you wonderful
sights - right from your backyard.
http://list.astronomy.com/UM/T.asp?A12.80.159.10.278623
THE SKY THIS MONTH
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Without the proper techniques and approach, panic can set in. To remain
calm, first learn how your telescope shows the sky. How much sky will
you see at low power? At 60x, depending on the eyepiece design, you'll
be looking at a field diameter of close to 1°, or approximately twice
the apparent size of the Full Moon. Lower power makes it easier to get
around. Next, you need to match what you see to the stars shown on the
chart at right.
at an object that does not lie due south. In this case, north and south
on the sky do not lie straight up and down, but appear at an angle.
Slowly turn the chart in your hands until its north points back to Polaris
(for Schmidt-Cassegrain telescopes and refractors with a star diagonal),
or until the chart's south points to Polaris (for Newtonian and Dob owners).
Practice this skill, and you won't get lost again.
Comae Berenices. Then, shift one Moon-width west to hit M98, and slide back.
Using the star pattern on the chart, step along the stars to the east and a
bit north to the circular glow of the spiral galaxy M100. Next, plunge north
past a field star to reach 11 Comae, which lies some 2°, or 4 Moon-widths, away.
your telescope/eyepiece combination on the chart. Begin again at 6 Comae, but
this time, head southeast (down in the early evening sky) 1.5 Moon-widths to
find M99. With firm resolve, keep going in the same direction another 4 Moon-
widths to land on M84 and M86, both roundish, fuzzy clouds. This pair marks
the primary signpost of the Virgo cluster.
head back to M84 and M86. The biggest mental shift you face is that from here,
you need to galaxy-hop instead of star-hop. Swim south and east to M87, and back
again. Then, head northeast to locate M88 and M91 before returning to the
M84/M86 pair.
the experience. The first few times you're in this area, tour only at low power to
solidify your telescope skills. Then, go back for a longer look at higher power.
READER POLLS
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for observing?
outside our solar system within the next ten years?
ASTRONOMY DAY
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planetaria and science museums throughout the country to celebrate
National Astronomy Day 2005 Saturday, April 16.
collaboration invites kids and adults to take part in a family field trip
to their local planetarium or science museum.
of hands-on activities, demonstrations, presentations, telescope observing,
and more. These activities will showcase the visually stunning and mind-boggling
events of deep space.
magazine and each will hold a drawing for a Meade 4-inch ETX-90AT telescope. In
addition, all the names from each drawing will be collected and entered into a
drawing for the grand prize: a Meade 10-inch LX200GPS SmartMount Telescope.
for this National Astronomy Day project. View this 5-minute program here:
http://list.astronomy.com/UM/T.asp?A12.80.159.13.278623
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