The Details
Object
NGC 7538 and Environs in Cassiopeia-Cepheus
Optics
Takahashi FSQ-106 at f/5
Platform
Astro-Physics 1200 GTO
Camera
SBIG ST-10XME
Filters
Custom Scientific 3nm Hydrogen-Alpha
Date
19 December 2004
Location
Mount Wilson Observatory - Mount Wilson, CA
Exposure
Ha 7 x 1800 sec 1x1 bin
Software
Maxim DL/CCD, Registar, Photoshop
Orientation
Field of View: 01°37’ x 01°05’ centered on RA 23h15m59s
DEC 61°37’45”. North angle 271.2 °; east 90° CCW from north
Notes
NGC 7538 is the small, bright nebula in the upper center area of the image. There are two 11th magnitude stars embedded within the nebulosity. Some interesting but unnamed dark features can be found in the surrounding area. The Bubble Nebula, NGC 7635, lies 43 arc-minutes ESE of NGC 7538 and the edge of it can be seen along the bottom right margin of the image.

 

 

 

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No reproduction of these images are permitted without prior approval of the author.