Catalog Number: NGC7635
 Common Name: Bubble Nebula
 Date Taken: 1/23/2012 10:02PM
 Location: Sam Houston State University Observatory 30.810924° N 95.434134° W 233 ft 
 Telescope Used: Orion Premium 110mm ED APO Refractor
 Barlow/Eyepiece/Filter: Orion 2" SkyGlow Astrophotography Filter
 Camera: Nikon D7000 unmodded
 Settings: 600sec ISO 800
 Lights: 11
 Darks: 11
 Flats:
0
 Bias: 0
 Final Resolution: 2237x1790
 Notes: This was an accidental find, my first in fact. I was actually imaging M52 when I noticed a little bit of faint red nebulosity down and to the left in my image. After finishing my imaging of M52 I decided to to recenter the scope and see what it was, this image is what I found. This emissions nebula in the constellation of Cassiopeia was discovered by British astronomer William Herschel in 1787. The central star causing the glowing bubble is SAO20575.
 
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Copyright 2012 Allan Hall, ALL RIGHTS RESERVED