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Contains:  IC 435, NGC 2024, NGC 2023, Horsehead nebula, IC 434, The star Alnitak (ζOri), The star σOri
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IC 434 Horsehead Nebula and The Flame Nebula in Ha, 





    
        

            Wes Chilton
IC 434 Horsehead Nebula and The Flame Nebula in Ha

IC 434 Horsehead Nebula and The Flame Nebula in Ha

Technical card

Resolution: 2504x3326

Dates:Nov. 17, 2015

Frames:Astrodon Hydrogen Alpha 5nm 31mm: 10x900" -20C bin 1x1

Integration: 2.5 hours

Darks: ~50

Flats: ~20

Flat darks: ~20

Bias: ~512

Avg. Moon age: 5.56 days

Avg. Moon phase: 31.04%

Bortle Dark-Sky Scale: 8.00

Mean SQM: 17.94

Mean FWHM: 2.30

Temperature: 7.00

Astrometry.net job: 925375

RA center: 85.232 degrees

DEC center: -2.267 degrees

Pixel scale: 1.763 arcsec/pixel

Orientation: 90.428 degrees

Field radius: 1.020 degrees

Locations: Home Observatory, La Crescenta, California, United States

Description

I was just out playing around last night and took ten 15-minute Ha subs to test my new SX Ultrastar guide camera. And of course seeing was awful again... I think I'm going to try a 3-panel Ha mosaic of the belt next!

Comments

Author

WesChilton
Wes Chilton
License: None (All rights reserved)
5081
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Revisions

  • IC 434 Horsehead Nebula and The Flame Nebula in Ha, 





    
        

            Wes Chilton
    Original
  • Final
    IC 434 Horsehead Nebula and The Flame Nebula in Ha, 





    
        

            Wes Chilton
    B

Sky plot

Sky plot

Histogram

IC 434 Horsehead Nebula and The Flame Nebula in Ha, 





    
        

            Wes Chilton

In these public groups

Cloudy Nights