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The Details
Object
IC 4628 (aka Gum 56) - The Prawn Nebula - in Scorpius
Optics
Astro-Physics 12" Mak-Cass at f/8
Platform
Astro-Physics 1600 GTO with absolute encoders
Camera
FLI Proline 16803
Filters
Tru-Balance 5nm Hydrogen-Alpha
Date
26 May 2015
Location
Las Campanas Observatory, Chile
Exposure
Ha 11 ea x 1200 sec, 1x1 bin
Software
ACP, Maxim DL/CCD, CCDStack, Photoshop CS5
Orientation
Field of View: 52' x 52' centered on RA16h57m42s DEC -40°21’58” (2000.0) . North angle 359.8°; east 90° CCW from north
Notes
The Prawn Nebula, NGC 4628, aka Gum 56, is located near the tail of the Scorpion.  This object lies about 6000 light years from Earth and is illuminated by strong UV radiation from nearby hot, young stars.

Located in the lower center of the upper right quadrant is a stellar-looking object surrounded by a small nebulous patch which can be seen clearer on the higher resolution images provided here.  This object is identified in the SIMBAD database as reflection nebula GN 16.53.2.

 

 

 

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