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Contains:  NGC 2024, NGC 2023, Horsehead nebula, IC 434, IC 432, NGC 1990, M 43, NGC 1982, NGC 1977, NGC 1980, M 42, Great Nebula in Orion, NGC 1976, NGC 1975, NGC 1981, IC 423, The star θ1Ori, The star θ2Ori, The star 31Ori, The star 42Ori, The star σOri, The star ιOri, The star Mintaka (δOri), The star Alnitak (ζOri), The star Alnilam (εOri), Part of the constellation Orion (Ori)
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Orion belt widefield H-alpha, 





    
        

            Francisco
Orion belt widefield H-alpha

Orion belt widefield H-alpha

Technical card

Imaging telescope or lens:Samyang 135mm f/2 ED UMC

Imaging camera:ZWO ASI1600MM-Cool

Mount:Star Adventurer

Guiding telescope or lens:Lunatico Astronomia EZG-50

Guiding camera:QHY5L-II

Software:Pisinsight 1.8Gimp 2.9

Filter:Astronomik Ha 31mm 6nm

Accessory:ZWO EFWmini

Resolution: 3997x2572

Dates:Nov. 1, 2017

Frames:
Astronomik Ha 31mm 6nm: 159x10" (gain: 200.00) -20C
Astronomik Ha 31mm 6nm: 42x120" (gain: 200.00) -20C
Astronomik Ha 31mm 6nm: 130x2" (gain: 200.00) -20C
Astronomik Ha 31mm 6nm: 43x60" (gain: 200.00) -20C

Integration: 2.6 hours

Darks: ~256

Avg. Moon age: 11.80 days

Avg. Moon phase: 90.36%

Astrometry.net job: 1830271

RA center: 83.960 degrees

DEC center: -2.834 degrees

Pixel scale: 6.060 arcsec/pixel

Orientation: 90.180 degrees

Field radius: 4.001 degrees

Locations: Balcon de casa, Vitoria-Gasteiz, Álava, Spain

Description

This is the H-alpha version of a image with my previous main camera. Eventually I will update that old color image (taken with the Samsung NX500) with this data and some luminance I shooted the same night.

A and B versions have 75x10s and 68x60s in HDR composition. C version has 42x120s, 43x60s, 159x10s and 130x2s.

Comments

Author

Patxitron
Francisco
License: Attribution-NonCommercial-NoDerivs Creative Commons
4023
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Revisions

  • Orion belt widefield H-alpha, 





    
        

            Francisco
    Original
  • Orion belt widefield H-alpha, 





    
        

            Francisco
    B
  • Final
    Orion belt widefield H-alpha, 





    
        

            Francisco
    C

B

New processing with less contrast

C

Added more subs (a lot more integration time) which let me pushing details with much less noise.

Sky plot

Sky plot

Histogram

Orion belt widefield H-alpha, 





    
        

            Francisco