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Sharpless 188, 





    
        

            Peter Goodhew
Sharpless 188

Sharpless 188

Technical card

Resolution: 3973x2345

Dates:Aug. 15, 2018

Frames:
Astrodon 5nm H-Alpha filter: 32x1200" bin 1x1
Astrodon 5nm H-Alpha filter: 10x1800" bin 4x4
Astrodon Blue: 10x300" bin 1x1
Astrodon Green: 10x300" bin 1x1
Astrodon OIII 3 nm: 12x1200" bin 1x1
Astrodon OIII 3 nm: 3x1800" bin 4x4
Astrodon Red: 10x300" bin 1x1

Integration: 23.7 hours

Avg. Moon age: 4.57 days

Avg. Moon phase: 21.87%

Astrometry.net job: 2209908

RA center: 22.679 degrees

DEC center: 58.374 degrees

Pixel scale: 0.533 arcsec/pixel

Orientation: 110.016 degrees

Field radius: 0.342 degrees

Locations: e-Eye, Fregenal de la Sierra, Extramadura, Spain

Data source: Own remote observatory

Remote source: IC Astronomy Observatories

Description

Sharpless 2-188, also known as Simeis 22 or the Dolphin Nebula. I found this very faint, so ended up shooting some Ha and OIII subs at bin 4x4 for 30 minutes. Processed in CCDStack and Photoshop CS2.

Comments

Author

PeterGoodhew
Peter Goodhew
License: None (All rights reserved)
1781
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Sharpless 188, 





    
        

            Peter Goodhew