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Contains:  NGC 281
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NGC 281 Narrowband BiColor Ha+OIII, 


            Dave (Photon)
NGC 281 Narrowband BiColor Ha+OIII

NGC 281 Narrowband BiColor Ha+OIII

Technical card

Resolution: 3696x3696

Dates:Sept. 24, 2013Sept. 28, 2013

Astrodon Tru-Balance - H-a 50mm - 3nm FWHM 656.3nm: 16x1200" (gain: 1.40) -30C bin 1x1
Astrodon Tru-Balance - OIII 50mm - 3nm FWHM 500.7nm: 11x1800" (gain: 1.40) -30C bin 1x1

Integration: 10.8 hours

Avg. Moon age: 21.54 days

Avg. Moon phase: 55.94%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.55 job: 90705

RA center: 13.221 degrees

DEC center: 56.649 degrees

Pixel scale: 0.621 arcsec/pixel

Orientation: -179.114 degrees

Field radius: 0.451 degrees

Locations: SpaceIgloo Observatory, Williamson, AZ, United States


This is a bicolor narrowband image of the Pacman Nebula consisting of 5.3 hours of 16x20m 3nm Ha and 5.5 hours of 11x30m 3nm OIII.

This is my first attempt at narroband bicolor processing in PixInsight.



Dave (Photon)
License: None (All rights reserved)

Sky plot

Sky plot


NGC 281 Narrowband BiColor Ha+OIII, 


            Dave (Photon)