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Contains:  M 27, Dumbbell nebula, NGC 6853, The star 14Vul
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M27 - Dumbbell Nebula / Hantel Nebel, 





    
        

            Siegfried
M27 - Dumbbell Nebula / Hantel Nebel

M27 - Dumbbell Nebula / Hantel Nebel

Technical card

Resolution: 2777x1981

Dates:Sept. 28, 2017Sept. 29, 2017Sept. 30, 2017

Frames:2" UHC: 91x240" ISO800

Integration: 6.1 hours

Darks: ~4

Flats: ~20

Bias: ~19

Avg. Moon age: 8.62 days

Avg. Moon phase: 62.88%

Bortle Dark-Sky Scale: 4.00

Mean SQM: 19.40

Temperature: 12.67

Astrometry.net job: 1936716

RA center: 299.863 degrees

DEC center: 22.746 degrees

Pixel scale: 1.438 arcsec/pixel

Orientation: 273.725 degrees

Field radius: 0.681 degrees

Locations: Engabrunn, Krems, Niederösterreich, Austria

Description

1st experiment with a little "narrow" Band while Moon. I found out that my Castell UHC have two small peaks in transmission at 500nm and greater 650nm. So it should work like a O-III and H-alpha in one......

Comments

Author

iamsiggi
Siegfried
License: None (All rights reserved)
1090
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M27 - Dumbbell Nebula / Hantel Nebel, 





    
        

            Siegfried