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Contains:  IC 4601, IC 4592, The star ωOph, The star χOph, The star ψOph, The star νSco, The star ω2Sco, The star ω1Sco, The star β2Sco, The star Graffias (β1Sco)
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Blue Horsehead Nebula, 





    
        

            Björn Hoffmann
Blue Horsehead Nebula

Blue Horsehead Nebula

Technical card

Resolution: 2000x1125

Dates:May 28, 2017

Frames: 121x30" ISO1600

Integration: 1.0 hours

Flats: ~30

Avg. Moon age: 3.11 days

Avg. Moon phase: 10.55%

Bortle Dark-Sky Scale: 3.00

Temperature: 14.00

Astrometry.net job: 1610986

RA center: 244.790 degrees

DEC center: -19.593 degrees

Pixel scale: 12.655 arcsec/pixel

Orientation: 1.578 degrees

Field radius: 4.033 degrees

Description

This is my first try on this faint nebula near to the Rho Ophiuchi complex. I planned a 2-tile pano of both areas, but the gradients and the completely different processing that is needed, make it hard to combine those. So here's the horsehead alone!

Comments

Author

BjoernH
Björn Hoffmann
License: Attribution-NonCommercial-NoDerivs Creative Commons
4376
Like

Revisions

  • Blue Horsehead Nebula, 





    
        

            Björn Hoffmann
    Original
  • Final
    Blue Horsehead Nebula, 





    
        

            Björn Hoffmann
    B

B

no "upside down" horse anymore ;) More artistic processing, including blur, glow effect, detail contrast.

Sky plot

Sky plot

Histogram

Blue Horsehead Nebula, 





    
        

            Björn Hoffmann