Theophilus, Cyrillus, and Catharina craters

Posted by Edison100
on Tuesday, July 12, 2016

Theophilus (up) diameter 100 Km and depth 3.2 Km.
Cyrillus (middle) diameter 98 Km and depth 3.6 Km.
Catharina (down) diameter 100 Km and depth 3.1 Km.
(Source Wikipedia).
These craters are L8 in Lunar 100. Please, see link
Telescope reflector aperture 130mm (5.1"), focal length 650mm, eyepiece (1.25") 13mm and Barlow 2X. Software used RegiStax6 and Fitswork4. Shutter speed 1/20”, ISO 400, F 5.6 and focal length 17mm.
Date: Jul 10, 2016. Hour: 21:13 (01:13 UTC).
Thanks for looking

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