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Contains:  Horsehead nebula, IC 434, NGC 2023, NGC 2024, The star Alnitak (ζOri)
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LDN 1730 Horsehead, 


            Dave Watkins
LDN 1730 Horsehead
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LDN 1730 Horsehead

Technical card

Dates:Dec. 20, 2017Nov. 9, 2019Dec. 19, 2019

Astrodon 5nm Ha: 26x1200" -20C bin 1x1
Orion Blue 1.25": 59x60" -20C bin 1x1
Orion Green 1.25": 58x60" -20C bin 1x1
Orion Red 1.25": 60x60" -20C bin 1x1

Integration: 11.6 hours

Darks: ~25

Flats: ~10

Bias: ~200

Avg. Moon age: 12.11 days

Avg. Moon phase: 47.35%

Bortle Dark-Sky Scale: 5.00

Basic astrometry details job: 3262868

RA center: 5h 41' 13"

DEC center: -2° 10' 44"

Pixel scale: 1.313 arcsec/pixel

Orientation: 90.304 degrees

Field radius: 0.621 degrees

Resolution: 2669x2118

Locations: Home Observatory, Norton, OH, United States

Data source: Backyard



Dave Watkins

Sky plot

Sky plot


LDN 1730 Horsehead, 


            Dave Watkins