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Contains:  The star φ2Ori, The star Meissa (λOri), The star φ1Ori, The star 32Ori, The star Bellatrix (γOri), Part of the constellation Orion (Ori)
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Sh 2-264, 


            Dave Venne
Sh 2-264

Sh 2-264

Technical card

Resolution: 2514x3324

Dates:Feb. 24, 2015

Frames:Baader Planetarium 36mm H-Alpha: 12x600" -40C bin 1x1

Integration: 2.0 hours

Darks: ~12

Flats: ~20

Flat darks: ~20

Bias: ~12

Avg. Moon age: 6.15 days

Avg. Moon phase: 37.05%

Bortle Dark-Sky Scale: 7.00

Temperature: -8.00 job: 558850

RA center: 83.960 degrees

DEC center: 9.835 degrees

Orientation: 179.442 degrees

Field radius: 4.896 degrees

Locations: Backyard Burnsville, MN, Burnsville, Minnesota, United States


The revised version pushes this further at the expense of increased noise and some clipping; the first version seemed too dark. Maybe this is as good as I can expect shooting only two hours of Ha from a red zone with a quarter moon not far from the target?



Dave Venne
License: None (All rights reserved)


  • Sh 2-264, 


            Dave Venne
  • Final
    Sh 2-264, 


            Dave Venne

Sky plot

Sky plot


Sh 2-264, 


            Dave Venne