Enchanted Skies

Nebulae

The Crescent Nebula (NGC 6888). Acquired in Las Cruces, NM

Crescent Nebula Map of area near Crescent Nebula

 

Object Information                                            Imaging Details

The Crescent Nebula is an emission nebula in Cygnus. Gas and dust, which are being pushed by the strong solar wind of WR 136 (a massive Wolf-Rayet Star) form a bubble which is illuminated by the star.

The Crescent Nebula is object #27 on the Caldwell list. It's faint, but can be seen through a modest sized telescope from a dark sky location. It's very easy to locate (see map above right).

The image was taken from my front yard through using a Baader 7nm hydrogen alpha filter. Not even Sergio's bright yellow house is a match for narrow band imaging.

Clicking on the image above will bring up a larger image. Or click here to see my first attempt to create a Hubble Pallet image using Ha, SII and OIII filters.

Telescope:

Celestron NexStar GPS 11

Camera:
Canon 350D (modified)
Filter(s):
 
Misc. Optics:
Hyperstar 3, Baader 7nm Ha filter
Exposures:
29 - 2 minute subs (ISO 800)
Guiding:
With piggybacked ED80 using GuideDog software.
Processing:
Raws converted to Tiffs with PS CS3. Stacking with Nebulosity. Additional processing with PS CS3 (Noise Ninja and Focus Magic plug-ins used).

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Enchanted Skies - Astrophotography by Rich Richins (all images copyright, Rich Richins)