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Contains:  IC 1296, M 57, NGC 6720, Ring Nebula
Getting plate-solving status, please wait...
Messier 57, 


Messier 57
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Messier 57

Technical card

Imaging telescopes or lenses:CFF Telescopes 12" RC

Imaging cameras:MORAVIAN G3-16200

Mounts:ASA Astrosysteme DDM85

Guiding telescopes or lenses:CFF Telescopes 12" RC


B: 20x180" bin 4x4
G: 20x180" bin 4x4
R: 18x180" bin 4x4

Integration: 2.9 hours

Basic astrometry details job: 3529695

RA center: 18h 53' 34"

DEC center: +33° 1' 44"

Pixel scale: 0.229 arcsec/pixel

Orientation: 226.037 degrees

Field radius: 0.152 degrees

Resolution: 4162x2341

Locations: E-Eye, Fregenal de la Sierra, Spain

Data source: Amateur hosting facility

Remote source: e-EyE Extremadura


After a heated debate about pixel scale and FWHM I wanted to try a bin acquisition and M57 was available for a few hours on one night. I processed this with only a rescaled set of flats, but no darks or bias. The process was with a drizzle 2, crop, then PI for processing, PS for more process, then Topaz Gigapixel to blow it up before some final touches.



License: Attribution Creative Commons

Sky plot

Sky plot


Messier 57,