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Sky & Telescope News Bulletin - July 25, 1997
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- Subject: Sky & Telescope News Bulletin - July 25, 1997
- From: Ron Baalke <BAALKE@kelvin.jpl.nasa.gov>
- Date: Fri, 25 Jul 1997 20:42:28 GMT
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SKY & TELESCOPE NEWS BULLETIN
JULY 25, 1997
[snip]
S. DELTA AQUARID METEORS
While you're up looking at the Aldebaran occultation, keep an eye out for
extra meteors from the Southern Delta Aquarids. This shower lasts for a
month but peaks on July 29th, when you might expect to see 15 or 20 meteors
per hour under ideal conditions.
NEW LUNAR METEORITE
Last week planetary geologists announced that a new lunar meteorite has
been discovered. It's the 12th known fall of lunar material on Earth, but
only the second outside Antarctica. Known as Dar al Gani 262, the egg-sized,
513-g rock was discovered in the Libyan part of the Sahara Desert on March
23rd. Initial analysis suggests that it's a fusion of mixed rock fragments from
somewhere in the heavily cratered lunar highlands.
COMET TILBROOK (C/1997 O1)
Australian amateur Justin Tilbrook found himself a comet on July 22nd. It's
a 10th-magnitude blur in northeast Corvus that's headed north in the sky,
but toward the Sun. Those in the Southern Hemisphere have the best shot at
seeing Comet Tilbrook before it fades from view (it reached perihelion, 1.4
a.u. from the Sun, on July 16th). For those who'd care to try, here are this
week's positions for 0h Universal Time:
R.A. (2000) Dec.
==================
July 27 12h 28.7m -15d 6'
29 12 32.8 -13 34
31 12 36.8 -12 7
August 2 12 40.5 -10 47
[snip]
===========================================================================
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