Deep Impact--Comet
P9/Tempel 1
July 4, 2005
Above: Comet P9/Tempel 1
May15, 2005.
Note magnitude 17.6 galaxy  PGC
1340158 at bottom of Tempel 1's coma.
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Below: Comet
P9/Tempel
April 16, 2005
Comet P9/Tempel 1, June 4, 2005, 10 five minute luminance
exposures, binned 1x1, STL6303E.  Note change in comet position
(upper right) over the approximately 1 hour of exposure time.  Also
note magnitude 11.3 galaxy  NGC 4910 (lower left) and magnitude
16.6 PGC  44474 a bit to the right and below of center.
Left: Comet P9/Tempel 1, June
30, 2005, 10 eight minute
luminance exposures, unguided,
using the ME's variable tracking
rate, binned 1x1, STL6303E,
RCOS 16 @ f9.  Note change in
comet position evidenced by
star trails over the
approximately 85 minutes of
exposure time.  95% humidity
during exposures.  Alignment
and combination done in MIRA
AP.
Comet P9/Tempel 1.  Left, pre impact on July 3, 2005, and right, post impact
on July 4, 2005.  Both a single 5 minute 2x2 luminance image, with dark and
flat subtraction as the only processing.  Weather didn't permit more images.