Saturday, July 30, 2011

NGC 7293, The Helix Nebula

Not the definitive shot of this planetary nebula, but not awful either. Weather kept me from getting started until almost 0300, so this is just not quite an hour on a very dim object, and it suffered accordingly.

X-Bar Ranch, Eldorado, TX
Exposure: 11 x 300 sec (55 min) @ ISO 1600, 0 flat, 6 dark
Camera: Canon Digital Rebel XT (350D) (modified)
Scope: AT6RC, AT2FF field flattener
Mount: Celestron CI-700/Skywalker
Guider: Zenithstar 66, Meade DSI
Filter: None
Software: PHD Guiding, Nebulosity, Photoshop

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