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ngc 7293 - the helix

ngc 7293 - the helix(chuck kimball)

Acquisition Date : Early October 2011, final H alpha images on the 17th
Camera : Canon 350d modified by Hap
Camera Settings : raw, 30 ten-minute RGB, 12 twenty minute in Ha, all at iso 1600
Telescope : Explore Scientific 127/7.5 ED APO with carbon fiber tube
Mount : piggyback on LX 200 classic 12 inch, guided with modified finder and DSI pro I using PHD
Adapter / Prime / Afocal / Other : AT2FF field flattener
Processing Package / Processing Applied : acquired, calibrated, stacked, debayered, and color balanced in Nebulosity, Ha blended with RGB in photoshop. Additional processing in Photoshop
Web Site : chucks astro site
NOTES : UPDATE: it is the final opinion that the dust clouds in both his and my images are indeed noise clumping from the long Ha exposures, and not legitimate signal. confirmed by Rogelio today (12-05) sorry, c.

Position 3 overall, due to these votes:
Vote for this image:One vote


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