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Contains:  M 25, IC 4725, IC 4715, Omega nebula, M 17, NGC 6618, M 16, Eagle nebula, NGC 6611, NGC 6604, IC 4701, M 8, Lagoon nebula, Hourglass nebula, NGC 6523, NGC 6526, Trifid nebula, M 20, NGC 6514, The star θOph, The star φSgr, The star Alnasl (γ2Sgr), The star πSgr, The star Kaus Borealis (λSgr), The star τSco, The star Media (δSgr), The star Ascella (ζSgr), The star Sabik (ηOph), The star Nunki (σSgr), Part of the constellation Serpens (Ser), Part of the constellation Sagittarius (Sgr), Part of the constellation Ophiuchus (Oph), Part of the constellation Scutum (Sct)
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Sagittarius, 





    
        

            Hartmuth Kintzel
Sagittarius

Sagittarius

Technical card

Resolution: 2400x1598

Dates:Aug. 23, 2017

Frames: 45x90" ISO1600

Integration: 1.1 hours

Avg. Moon age: 1.83 days

Avg. Moon phase: 3.76%

Bortle Dark-Sky Scale: 1.00

Mean SQM: 21.67

Temperature: 5.00

Astrometry.net job: 1707084

RA center: 269.938 degrees

DEC center: -21.862 degrees

Pixel scale: 52.961 arcsec/pixel

Orientation: 348.136 degrees

Field radius: 21.206 degrees

Locations: Zettersfeld, Lienz, Austria

Data source: Traveller

Description

The night the picture was taken was unusually clear.
We were able to observe weak NGC objects close to the horizon.
Foreground inserted form a single image.

Comments

Author

Hartmuth_Kintzel
Hartmuth Kintzel
License: None (All rights reserved)
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Sagittarius, 





    
        

            Hartmuth Kintzel