Any Nebula dark or light  
ngc 7293 helix nebula

ngc 7293 helix nebula(chuck kimball)

Acquisition Date : September 24, 25, 27, 2011
Camera : Canon 350dg modified by Hap
Camera Settings : raw, 46 ten-minute subs at iso 800 and 1600
Telescope : Explore Scientific 127mm f/7.5 ED APO with carbon tube
Mount : piggyback on LX 200 classic 12-inch, guided by PHD using modified 8x50 finder scope and DSI pro
Adapter / Prime / Afocal / Other : AstroTech AT2FF field flattener, no reduction
Processing Package / Processing Applied : acquired with dither, calibrated, and stacked using Nebulosity 2.4.6, further processing in Photoshop CS3 including Noel Carboni's actions, gradient EXterminator, and noise ninja
Web Site : chucks astro site
NOTES : here is a fine example of where my sky has been this month... wet, not transparent, but pretty solid... 7 hours 40 minutes should have more to show...

Position 5 overall, due to these votes:
Vote for this image:One vote


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