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Contains:  M 13, Great Cluster in Hercules, NGC 6205
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M13 in Hercules, 





    
        

            Kharan
M13 in Hercules

M13 in Hercules

Technical card

Imaging telescope or lens:Celestron C11

Imaging camera:QHYCCD QHY9M

Mount:Skywatcher NEQ6 PRO Synscan

Guiding telescope or lens:Skywatcher 9x50 finderscope

Guiding camera:QHYCCD QHY5L-IIc

Focal reducer:Antares Reducer f/6.3

Software:Pixinsight

Filters:Baader L 2''Baader Blue 2"Baader Green 2"Baader Red 2"

Accessory:QHYCCD QHY 2" Filter wheel

Resolution: 3186x2356

Dates:March 11, 2015

Frames:
Baader Blue 2": 10x60" -20C bin 1x1
Baader Green 2": 10x60" -20C bin 1x1
Baader L 2'': 39x120" -20C bin 1x1
Baader Red 2": 10x60" -20C bin 1x1

Integration: 1.8 hours

Flats: ~10

Bias: ~50

Avg. Moon age: 19.98 days

Avg. Moon phase: 72.27%

Astrometry.net job: 568597

RA center: 250.421 degrees

DEC center: 36.450 degrees

Pixel scale: 0.498 arcsec/pixel

Orientation: 132.032 degrees

Field radius: 0.274 degrees

Locations: Puolivälinkangas - Oulu, Oulu, Finland

Description

Finally a week of clear skies, the first proper one after last October. I dusted off my Celeron, and rusty that I was, got some usable subs of 2-3 minute range.

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Author

Kharan
Kharan
License: None (All rights reserved)
1380
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M13 in Hercules, 





    
        

            Kharan