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Contains:  M 11, NGC 6705, Wild Duck cluster
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M11 - bright open cluster in Scutum, 



    
        

            Rudolf Bumm
M11 - bright open cluster in Scutum
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M11 - bright open cluster in Scutum

Technical card

Imaging telescopes or lenses:ASA - Astro Systeme Austria Astrograph 203 mm f2.75

Imaging cameras:ZWO ASI1600MMC

Mounts:iOptron CEM60

Accessory:MGEN


Dates:Sept. 22, 2017

Frames: 94x15"

Integration: 0.4 hours

Avg. Moon age: 2.26 days

Avg. Moon phase: 5.67%


Basic astrometry details

Astrometry.net job: 1755469

RA center: 18h 51' 3"

DEC center: -6° 17' 24"

Pixel scale: 1.379 arcsec/pixel

Orientation: 12.065 degrees

Field radius: 0.991 degrees


Resolution: 4080x3186

Description

M11 is a bright open cluster in scutum approximately 7000 lj from earth. It contains over 3000 stars and has some interesting dark clouds in the area, which I was not aware of yet.
This is another image with very short subs (15 s) and the ASI 1600mmc on the fast ASA astrograph of Sternwarte Mirasteilas. Many images were lost due to intermittent clouds. And - jubilee! The image was taken on the eve of this year's Mirasteilas 10 year anniversary during a public observation session!

R 30 x 15s
G 37 x 15s
B 27 x 15s

Comments

Author

rbumm
Rudolf Bumm
License: None (All rights reserved)
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M11 - bright open cluster in Scutum, 



    
        

            Rudolf Bumm