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M11 Wild Duck Cluster, NGC 6705, 





    
        

            Barry Brook

M11 Wild Duck Cluster, NGC 6705

Technical card

Resolution: 711x531

Dates:July 22, 2014

Frames:
Meade CCD LRGB Filter Set 1.25'': 30x60" 1C bin 2x2
Meade L (UV & IR-Cutoff) Filter for CCD: 10x120" 1C bin 1x1

Integration: 0.8 hours

Darks: ~5

Flats: ~100

Bias: ~100

Avg. Moon age: 25.47 days

Avg. Moon phase: 17.56%

Bortle Dark-Sky Scale: 6.00

Temperature: 4.00

Astrometry.net job: 323559

Description

M11, the Wild Duck Cluster in Scutum. A compact, rich galactic cluster containing almost 3,000 stars in an area of 13 arcminutes, almost giving the appearance of a loose globular cluster. One can make out a flying V shape that that looks, to some eyes, like a flock of ducks. About 6,200 light years away.

L: 10 x 2 min, no binning
R: 10 x 1 min, 2x2 binning
G: 10 x 1 min, 2x2 binning
B: 10 x 1 min, 2x2 binning

Darks used to create a bad pixel map, flats taken with a light box

Comments

Author

Amaranthus
Barry Brook
License: Attribution Creative Commons
1970
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Histogram

M11 Wild Duck Cluster, NGC 6705, 





    
        

            Barry Brook