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Contains:  M 21, NGC 6531, Trifid nebula, M 20, NGC 6514
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M20 Narrow Band (Ha and O III) - natural colors blend, 





    
        

            Davide Manca
M20 Narrow Band (Ha and O III) - natural colors blend

M20 Narrow Band (Ha and O III) - natural colors blend

Technical card

Imaging telescope or lens:Officina Stellare Veloce RH200

Imaging camera:QSI 683WSG

Mount:Skywatcher N-EQ6 pro

Guiding telescope or lens:Officina Stellare Veloce RH200

Guiding camera:Lodestar

Software:PixInsightMaxim DL

Filters:Astrodon Ha 3nm Tru-BalanceOIII

Accessory:Finger Lake Instruments Atlas Focuser

Resolution: 3042x2208

Dates:Aug. 25, 2014Aug. 29, 2014

Frames:
Ha: 6x600" bin 1x1
OIII: 8x600" bin 1x1

Integration: 2.3 hours

Avg. Moon age: 16.49 days

Avg. Moon phase: 6.80%

Astrometry.net job: 357506

RA center: 270.616 degrees

DEC center: -23.008 degrees

Orientation: -90.744 degrees

Field radius: 0.969 degrees

Locations: Merlino, Canossa, RE, Italy

Description

Red= Ha
Green= O III
Blue= OIII + 20% Ha

Comments

Author

Dav
Davide Manca
License: None (All rights reserved)
1581
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M20 Narrow Band (Ha and O III) - natural colors blend, 





    
        

            Davide Manca