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David Rosenthal | all galleries >> Astrophotography >> Hydrogen Alpha > NGC281 in Ha
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NGC281 in Ha
08.28 & 08.29.2010 David Rosenthal

NGC281 in Ha

Midland Park, NJ

QHY9-C,Takahashi FS-102 + TOA FR/FF f/5.9
39*720 second exposures at -20C with a Baader 7nm Ha filter
Total exposure time was one sub shy of 8 hours under a bright moon.
Atlas EQ-G + EQMOD FS-60C pulse guided
Acquisition, guiding, dithering, calibration [30B|30D|30F] and SD Mask combine in MaxImDL
Processed in PSCS2 with Noel Carboni's Actions and GXT full exif


other sizes: small medium large original
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