AstroPhotography by Dan Richey

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T15 - Owl Cluster - CAS
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T15 - Owl Cluster - CAS

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WOW! The "Owl", "ET", "B-52", or "Monster" cluster. Best non-Messier open cluster in Cassiopeia.

Object Information

Name T15 - Owl Cluster - CAS
Type Open Cluster
Constellation Cassiopeia
Catalogue NGC 457

Acquisition / Processing

Exposure All TAAS Objects:
FOV = About 1 degree in width
All faint objects are L - 6 x 600 sec Bin 1 = 1 Hr.
All bright objects are L - 6 x 300 sec Bin 1 - 0.5 Hr.
Telescope AP 160 @ f7.7
Camera SBIG ST-8300
Guiding SBIG SG4 / Tak 90
Mount AP 900GTO
Filters Astrodon-Gen 1 LRGB
Location San Pedro Creek, NM
Date January 21, 2011

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