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Contains:  Horsehead nebula, IC 431, IC 432, IC 434, IC 435, NGC 2023, NGC 2024, The star Alnitak (ζOri), The star σOri
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Horsehead Nebula (DSLR with 7nm Ha filter), 


Horsehead Nebula (DSLR with 7nm Ha filter)
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Horsehead Nebula (DSLR with 7nm Ha filter)

Technical card

Imaging telescope or lens:Explore Scientific 80 ED TRIPLET F/6 APO

Imaging camera:Nikon D3300 (modified)

Mount:Celestron Advanced VX

Guiding telescopes or lenses:

Guiding cameras:

Focal reducers:

Software:Topaz Labs DeNoisePixInsightDeep Sky Stacker 3.3.6

Filter:Baader Ha 2" 7nm

Accessory:Explore Scientific 2" Field Flattener

Resolution: 5894x3962

Dates:Jan. 4, 2018

Frames:Baader Ha 2" 7nm: 402x60" ISO1600

Integration: 6.7 hours

Darks: ~32

Flats: ~32

Flat darks: 0

Bias: ~32

Avg. Moon age: 17.52 days

Avg. Moon phase: 91.66%

Bortle Dark-Sky Scale: 6.00

Mean SQM: None

Mean FWHM: None

Temperature: -4.00

Basic astrometry details job: 1878501

RA center: 5h 39' 42"

DEC center: -2° 24' 36"

Pixel scale: 1.635 arcsec/pixel

Orientation: 84.233 degrees

Field radius: 1.613 degrees

Locations: Backyard, Dacula, GA, United States


Final HaRGB image:



License: None (All rights reserved)

Sky plot

Sky plot


Horsehead Nebula (DSLR with 7nm Ha filter),