Contains:M 3, NGC 5272
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M3 Globular Cluster - 16 April 2018, 




    

        Geof Lewis
M3 Globular Cluster - 16 April 2018

M3 Globular Cluster - 16 April 2018

Technical card

Resolution: 1623x1212

Dates: April 16, 2018

Frames:
Astronomik B 1.25" Type IIc: 6x120" -10C bin 2x2
Astronomik G 1.25" Type IIc: 6x120" -10C bin 2x2
Astronomik L 1.25" Type IIc: 10x120" -10C bin 2x2
Astronomik R 1.25" Type IIc: 6x120" -10C bin 2x2

Integration: 0.9 hours

Darks: ~20

Flats: ~20

Flat darks: ~20

Avg. Moon age: 0.44 days

Avg. Moon phase: 0.22%

Bortle Dark-Sky Scale: 3.00

Astrometry.net job: 2013114

RA center: 205.549 degrees

DEC center: 28.376 degrees

Pixel scale: 0.859 arcsec/pixel

Orientation: 358.459 degrees

Field radius: 0.242 degrees

Data source: Unknown

Description

Something of a test image after swapping the QSI camera over to the C14 from my 4" APO. I had to recalibrate autofocus offsets in SGP, so I wanted a bright target to test everything was working. Less than 1 hour total data, but it served it's primary purpose....

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geoflewis
Geof Lewis
License: None (All rights reserved)
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M3 Globular Cluster - 16 April 2018, 




    

        Geof Lewis