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Contains:  NGC 3628, M 66, NGC 3627, M 65, NGC 3623
Getting plate-solving status, please wait...

"Spring time - Triplet time"!

Technical card

Resolution: 2500x1667

Dates:Dec. 30, 2016March 31, 2019


Integration: 7.7 hours

Darks: ~24

Flats: ~30

Bias: ~100

Avg. Moon age: 13.12 days

Avg. Moon phase: 10.92%

Bortle Dark-Sky Scale: 4.00

Mean SQM: 20.90

Mean FWHM: 2.60

Temperature: 5.00 job: 2647924

RA center: 169.937 degrees

DEC center: 13.228 degrees

Pixel scale: 1.505 arcsec/pixel

Orientation: 2.095 degrees

Field radius: 0.861 degrees

Locations: My lovely garden, J-City, Burgenland, Austria

Data source: Backyard


About 2 weeks ago I've shown you my image of that galaxy group framed very tight using the
APS-C sized DSLR. So I've taken the subs of my first try on that group, back then using a full format DSLR, combined them with tht recent data from 2019 for bigger total exposure time and using the wider field of view of the full frame camera.



Michael S.
License: None (All rights reserved)



To give an expression how faint that tidal wave of NGC 3628, the "Hamburger Galaxy" really is, I've taken the integration file, so before any "magic" of postprocessing happens, stretched it with standard STF, inverted it and made that crop, nothing else done except a bit of contrast raise before saving as .jpg. ;-)

Sky plot

Sky plot


"Spring time - Triplet time"!, 


            Michael S.