Contains: NGC 5195, Whirlpool galaxy, M 51, NGC 5194

Image of the day 02/01/2013

Getting plate-solving status, please wait...

M51

Technical card

Resolution: 3074x2258

Dates: Jan. 11, 2013Jan. 14, 2013Jan. 15, 2013Jan. 16, 2013

Frames:
Astrodon Tru-Balance Generation 2 E-Series - B 50mm - NIR Blocked: 23x300" (gain: 0.42) -35C bin 2x2
Astrodon Tru-Balance Generation 2 E-Series - G 50mm - NIR Blocked: 23x300" (gain: 0.42) -35C bin 2x2
Astrodon Tru-Balance Generation 2 E-Series - L 50mm - NIR Blocked: 23x600" (gain: 0.42) -35C bin 1x1
Astrodon Tru-Balance Generation 2 E-Series - R 50mm - NIR Blocked: 23x300" (gain: 0.42) -35C bin 2x2

Integration: 9.6 hours

Darks: ~50

Flats: ~30

Flat darks: ~50

Bias: ~50

Avg. Moon age: 10.29 days

Avg. Moon phase: 13.19%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.80

Astrometry.net job: 91060

RA center: 202.478 degrees

DEC center: 47.191 degrees

Pixel scale: 0.453 arcsec/pixel

Orientation: -179.806 degrees

Field radius: 0.240 degrees

Locations: SpaceIgloo Observatory, Williamson, AZ, United States

Description

Please note that while I did all the image acquisistion and calibration, my friend "elbee" from Cloudy Nights processed this image for me.

Thanks elbee.

Comments

Author

Dave (Photon)
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M51, Dave (Photon)