Click here for a higher resolution image of this mosaic (800 Kb)

Click here for a 50% full resolution close-up of "Fenrir" itself (1.2 Mb)

 

 

The Details
Object
SL 17 The Fenrir Nebula in Scorpius
Optics
Astro-Physics 12" Mak-Cass f/8
Platform
Astro-Physics 1600 Mount with absolute encoders
Camera
FLI 16803 Proline CCD
Filters
Tru-Balance 5 nm H Alpha Filter
Date
June/July 2015
Location
Las Campanas Observatory, Chile
Exposure
Ha 2 x 27 x 1800 sec, 1x1 bin
Software
ACP, Maxim DL/CCD, , CCDStack 2, Photoshop CS5
Orientation
Field of View: 01°39’ x 00°51’ centered on RA 16h55m19s
DEC -43°26’53” (J2000) . North angle 179.6 °; east 90° CCW from north.
Notes
SL 17 is the designation of this faint dark nebula in Scorpius.  It’s unofficially dubbed the Fenrir Nebula for the monstrous wolf of Norse mythology.  Mentioned in Norse literature back to the 13th Century, Fenrir, a son of Loki, was a vicious beast who killed the great Norse deity Odin.  In this image one can certainly visualize a leaping wolf with mouth agape and front legs poised to attack.

This two-pane panorama is the culmination of 27 hours of data collection in the H-alpha bandpass and is a collaborative effort between Howard Hedlund of Astro-Physics Inc. and Dave Jurasevich.

 

 

 

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