SH2-171 in HaRGB
SH2-171 is a Sharpless object.
Click HERE to see a full res
crop of the main nebula - NO SHARPENING DONE AT ALL
From TheSky6:
Object name: Sharpless: SH2-171
Equatorial: RA: 00h 05m 09s Dec: +67°12'10"(current)
Size ArcMin: 180
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STL11000 with Tak FSQ and AP900GTO
Astronomik HaRGB filter set
6 x 20 minutes in H-Alpha
5 x 5 minutes each of RGB
Flesherton, Ontario, Canada
August 4, 2008
Ambient temp +15C; camera temp -20C; New Moon
Images acquired and darks & flats applied in CCDSoft v5.0
Images aligned and combines in Maxim
Colour channels assembled in PS CS2.
H-Alpha channel was layered into the Red channel at 100% and then into
the Blue channel at 20% and Green at 7%
Levels, curves, and background noise
reduction in PS CS2 NO SHARPENING
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