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Technical card

Imaging telescope or lens: Skywatcher Explorer 200PDS

Imaging camera: QHYCCD QHY9M

Mount: Skywatcher NEQ6 PRO Synscan

Guiding telescope or lens: Skywatcher 9x50 finderscope

Guiding camera: QHYCCD QHY5L-IIc

Focal reducer: Baader MPCC Mk III

Software: Pixinsight

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

Accessories: QHYCCD QHY 2" Filter wheelSeletek Armadillo

Resolution: 3246x2341

Dates: Sept. 3, 2017

Frames:
Baader Blue 2": 22x180" -20C bin 1x1
Baader Green 2": 22x180" -20C bin 1x1
Baader L 2'': 45x180" -20C bin 1x1
Baader Red 2": 22x180" -20C bin 1x1

Integration: 5.6 hours

Flats: ~10

Bias: ~50

Avg. Moon age: 11.58 days

Avg. Moon phase: 88.95%

Astrometry.net job: 1716901

RA center: 339.034 degrees

DEC center: 34.168 degrees

Pixel scale: 1.106 arcsec/pixel

Orientation: 255.557 degrees

Field radius: 0.615 degrees

Locations: Puolivälinkangas - Oulu, Oulu, Finland

Description

This was a real struggle with the colors, hard to get anything sensible out of this. Probably too short exposures.

Comments

Author

Kharan
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NGC 7331 and Stephan's Quintet, Kharan