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Contains:  Horsehead nebula, IC 434, NGC 2023, NGC 2024, The star Alnitak (ζOri)
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The Horsehead and the Flame, 


            Andrew Marjama
The Horsehead and the Flame
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The Horsehead and the Flame

Technical card

125x45" (gain: 54.00) -18C bin 1x1
Astronomik Ha 1.25 5nm: 60x90" (gain: 111.00) -18C bin 1x1

Integration: 3.1 hours

Bortle Dark-Sky Scale: 6.00

Basic astrometry details job: 3266227

RA center: 5h 41' 20"

DEC center: -2° 12' 21"

Pixel scale: 1.455 arcsec/pixel

Orientation: 92.465 degrees

Field radius: 0.727 degrees

Resolution: 3000x1983

Data source: Backyard


I tried another way of imaging with the RASA 11. I used my 183MC camera for color, then screwed my 6nm 1.25" H-Alpha filter directly into my 183MM camera to shoot H-Alpha.

No 2 inch "fast" filters used here.



Andrew Marjama
License: None (All rights reserved)

Sky plot

Sky plot


The Horsehead and the Flame, 


            Andrew Marjama