Group Challenge - Horsehead or Witch Head Nebula  
ic 434 region, horsehead

ic 434 region, horsehead(chuck kimball)

Acquisition Date : December 30th and 31st, 2008
Camera : Canon 350d, Hap modified
Camera Settings : RAW, iso 1600
Telescope : Vixen ED80 (Synta)
Mount : piggyback on LX200 classic, guided by main tube at f6.7 with DSI pro I and PHD
Adapter / Prime / Afocal / Other : prime, 600 mm
Processing Package / Processing Applied : 43 ten-minute sub-exposures acquired, calibrated, stacked in Nebulosity. Post processed in Nebulosity and Photoshop
Web Site : http://www.astro.artistsloft.com
NOTES : very good seeing and average transparency, sky glow suppressed by fog over the city..

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