Jump to content

  •  



- - - - -

Messier 3 through an AT102ED - without removing purple star fringes


Messier 3 through an AT102ED - without removing purple star fringes

A 1400 x 1400px crop of a preliminary image of M3.

Note purple fringing around brighter stars.

Nikon D5600, unmodified
HoTech 2" SCA field flattener (1X)
Astro-Tech AT102ED, f/7
no filters
Bortle 7 skies
30s x 106 (53 minutes)
Processed with Siril, RawTherapee, and GIMP






    Cloudy Nights LLC
    Cloudy Nights Sponsor: Astronomics