Click here for a higher resolution image (1.0 MB)

 

 

The Details
Object
Sharpless 2-54 in Serpens
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
Various dates during July 2015
Location
Las Campanas Observatory, Chile
Exposure
2 pane mosaic Ha 2 x 15 x 1200 sec 1x1 bin
Software
ACP, Maxim DL/CCD, CCDStack, Photoshop CS5
Orientation
Field of View: 01°39' x 00°52' centered on RA 18h17m22s
DEC -12°04'18" (2000). North angle 359.7 °; east 90° CCW from north
Notes
Sharpless 2-54 is a HII region located about 15 arc-minutes north of M16, the Eagle Nebula.  It lies at a distance of 6200 light-years from Earth and encompasses some interesting dark features, a sparse open cluster NGC 6604 (left of center in upper third of image), and a bright nebular knot known as MI-88, named for the American astronomer Rudolf Minkowski.

This two-pane mosaic is a collaborative work between Howard Hedlund of Astro-Physics, Inc. and Dave Jurasevich, with a total exposure time of 10 hours.

 

 

 

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