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Contains:  NGC 2023, Horsehead nebula, IC 434
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Horsehead Nebula

Technical card

Resolution: 2546x3534

Dates:Nov. 18, 2018Nov. 20, 2018Jan. 25, 2019Jan. 28, 2019

Frames:
Astrodon E-Series Tru-Balance [B]: 11x240" bin 2x2
Astrodon E-Series Tru-Balance [G]: 18x240" bin 2x2
Astrodon E-Series Tru-Balance [Lum]: 43x420" bin 1x1
Astrodon E-Series Tru-Balance [R]: 9x240" bin 2x2
Astrodon Ha 5nm: 32x900" bin 1x1

Integration: 15.6 hours

Avg. Moon age: 16.08 days

Avg. Moon phase: 71.65%

Astrometry.net job: 2510141

RA center: 85.169 degrees

DEC center: -2.348 degrees

Pixel scale: 0.744 arcsec/pixel

Orientation: 96.202 degrees

Field radius: 0.450 degrees

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

This image was a real struggle, throwing out about 50% of my exposures due high clouds or moisture made worse by the bright stars out of the frame. I used synthetic L and R with contributions to both coming from Ha, and also applied a hue/saturation adjustment to the RGB image using Ha as a mask.

Comments

Author

adamland
Adam Landefeld
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Histogram

Horsehead Nebula, 





    
        

            Adam Landefeld