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



    
        

            Jonathan Young
Horsehead
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Horsehead

Technical card


Dates:Jan. 3, 2019

Frames:
Astrodon 36mm SII 5nm: 16x450" (gain: 139.00) -10C
Astrodon Ha 5nm 36 mm: 24x450" (gain: 139.00) -10C bin 1x1
Astrodon Oiii 5nm 36mm: 14x450" (gain: 139.00) -10C

Integration: 6.8 hours

Darks: ~20

Flats: ~16

Flat darks: ~16

Avg. Moon age: 27.16 days

Avg. Moon phase: 6.20%

Bortle Dark-Sky Scale: 5.00


Basic astrometry details

Astrometry.net job: 3049028

RA center: 5h 40' 18"

DEC center: -2° 27' 50"

Pixel scale: 2.225 arcsec/pixel

Orientation: 91.838 degrees

Field radius: 0.880 degrees


Resolution: 2278x1710

Locations: Backyard, Saline, Michigan, United States

Data source: Backyard

Description

24x450s Ha
16x450s S2
14x450s O3
S-H-S Color
Processed in Startools.
Windy night with FWHM about 5. Binned 2x2 in Startools. Starless and then small stars readded after fixing warp from gusts.

Comments

Author

TurbulentMedium
Jonathan Young
License: None (All rights reserved)
1671
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Revisions

  • Horsehead, 



    
        

            Jonathan Young
    Original
  • Final
    Horsehead, 



    
        

            Jonathan Young
    B

Sky plot

Sky plot

Histogram

Horsehead, 



    
        

            Jonathan Young