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Contains:  Horsehead nebula, IC 426, IC 431, IC 432, IC 434, IC 435, NGC 1990, NGC 2023, NGC 2024, Part of the constellation Orion (Ori), The star Alnilam (εOri), The star Alnitak (ζOri), The star σOri
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Horsehead Nebula and Friends - B33 - IC 434 - NGC 2024 (Theli v1 L=R,RGB), 



    
        

            Martin Junius
Horsehead Nebula and Friends - B33 - IC 434 - NGC 2024 (Theli v1 L=R,RGB)
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Horsehead Nebula and Friends - B33 - IC 434 - NGC 2024 (Theli v1 L=R,RGB)

Technical card


Dates:Dec. 26, 2016Dec. 28, 2016Dec. 29, 2016

Frames:IDAS LPS V4: 62x600" ISO800

Integration: 10.3 hours

Darks: ~18

Flats: ~20

Bias: ~50

Avg. Moon age: 18.65 days

Avg. Moon phase: 2.60%

Bortle Dark-Sky Scale: 5.00

Mean SQM: 19.50

Temperature: 1.33


Basic astrometry details

Astrometry.net job: 1399507

RA center: 5h 39' 6"

DEC center: -2° 1' 44"

Pixel scale: 2.758 arcsec/pixel

Orientation: 90.008 degrees

Field radius: 2.408 degrees


Resolution: 5232x3488

Locations: Dellbrück, Köln, NW, Germany

Comments

Author

phtnnz
Martin Junius
License: Attribution-NonCommercial-NoDerivs Creative Commons
1321
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Revisions

  • Horsehead Nebula and Friends - B33 - IC 434 - NGC 2024 (Theli v1 L=R,RGB), 



    
        

            Martin Junius
    Original
  • Final
    Horsehead Nebula and Friends - B33 - IC 434 - NGC 2024 (Theli v1 L=R,RGB), 



    
        

            Martin Junius
    B

B

Description: Theli UCAC4 RGB calibiration, less aggressive blending of L=Red

Sky plot

Sky plot

Histogram

Horsehead Nebula and Friends - B33 - IC 434 - NGC 2024 (Theli v1 L=R,RGB), 



    
        

            Martin Junius