Contains: NGC 772, NGC 770, NGC 309
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NGC772 and NGC770 (ARP78) in Aries

Technical card

Resolution: 3279x2481

Dates: Nov. 11, 2017

Frames: 40x600"

Integration: 6.7 hours

Avg. Moon age: 22.80 days

Avg. Moon phase: 43.12%

Astrometry.net job: 1883265

RA center: 29.731 degrees

DEC center: 19.061 degrees

Pixel scale: 0.616 arcsec/pixel

Orientation: 270.036 degrees

Field radius: 0.352 degrees

Locations: Burlage Garten, Burlage, Germany

Description

9 integrations of 10 minutes each, no flats used.
This is a nice one, need to shoot the colour data and some more L soon! (And flats as well...)

The final version is 18 x L, 9 x R, 7 x G and 6 x B, I used only L-flats to correct all colours...
But it looks all right now.

Unfortunately the seeing was not that great, but there was not much choice this winter.

Comments

Author

Albert van Duin
Like

Revisions

B

I used flats to calibrate the images now

C

Added some luminance, and RGB. Seeing was far from optimal, flats not good as well...

D

Final version with trick flats, 18 x L, 9 x R, 7 x G, 6 x B = 400 minutes

Sky plot

Sky plot

Histogram

NGC772 and NGC770 (ARP78) in Aries, 




    

        Albert van Duin