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Technical card

Resolution: 1252x835

Dates: Aug. 12, 2017

Frames: 37x185" ISO800

Integration: 1.9 hours

Darks: ~20

Flats: ~20

Bias: ~20

Avg. Moon age: 18.95 days

Avg. Moon phase: 81.45%

Bortle Dark-Sky Scale: 4.00

Mean FWHM: 8.00

Temperature: 20.00

Astrometry.net job: 1685937

RA center: 283.373 degrees

DEC center: 33.042 degrees

Pixel scale: 0.468 arcsec/pixel

Orientation: -92.021 degrees

Field radius: 0.098 degrees

Locations: Home , St. Peter/O., Steiermark, Austria

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Author

Riedl Rudolf
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M57, Riedl Rudolf