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Contains:  IC 435, NGC 2024, NGC 2023, Horsehead nebula, IC 434, IC 432, IC 431, NGC 1990, The star Alnitak (ζOri), The star Alnilam (εOri), Part of the constellation Orion (Ori)
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Orion's Belt Mosaic in Hydrogen Alpha, 


            Wes Chilton
Orion's Belt Mosaic in Hydrogen Alpha

Orion's Belt Mosaic in Hydrogen Alpha

Technical card

Resolution: 6275x2395

Dates:Nov. 18, 2015

Frames:Astrodon Hydrogen Alpha 5nm 31mm: 20x900" -20C bin 1x1

Integration: 5.0 hours

Darks: ~50

Flats: ~20

Flat darks: ~20

Bias: ~512

Avg. Moon age: 6.58 days

Avg. Moon phase: 41.50%

Bortle Dark-Sky Scale: 8.00

Mean SQM: 17.88

Mean FWHM: 2.30

Temperature: 12.00 job: 1295427

RA center: 84.920 degrees

DEC center: -1.867 degrees

Pixel scale: 1.761 arcsec/pixel

Orientation: 41.470 degrees

Field radius: 1.642 degrees

Locations: Home Observatory, La Crescenta, California, United States

Data source: Backyard


My in progress Ha mosaic of the Belt of Orion... just shot the first two panels last night. This is my first mosaic attempt. :)



Wes Chilton
License: None (All rights reserved)

Sky plot

Sky plot


Orion's Belt Mosaic in Hydrogen Alpha, 


            Wes Chilton

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