IWLOP #114 - Mons Delisle & Mons Vinogradov

Picturesque, small, isolated mountains in Mare Imbrium.

Location: 26.9 N 36.0 W    Origin: Impact     Diameter: 30 km (Mons Delisle), 25 km (Mons Vinogradov)   Rukl: 19    Type: Mounts

Objects: Delisle, Diophantus, Mons Delisle, Mons Vinogradov
Others Identified: Brayley, Euler, Natasha

Location: Home
Date: 2021-06-20
Time: 11:55 PM ADT
Equipment: 10” Meade SCT
Eyepiece: Explore Scientific 4.7 mm with 82° FOV

Magnification: x530
Seeing: Excellent (5)
Transparency: Very Good (4)
Temperature: 17° C
SQM: 18.86

There was cloud cover from 11:40 PM to 11:55 PM. Knew where to look once clouds opened for viewing.

R1: Delisle is a little deeper than Diophantus; both are round but couldn't see either floor. Mons Delisle appears as a partial semi-circle, almost tooth-shaped with the point well lit and the base darker. Mons Delisle is steep-sided on the inner curve.
R2: Diophantus shallower than Delisle, has a central peak with a ridged west wall. Mons Vinogradov shows 2 bright areas in the SE. The whole area looks triangular in shape with the 2 bright spots on one of its sides. Also, several domes (approximately 12) were seen east of the Mons.



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