Circular mare on the eastern limb, located south of Mare Marginus.
Origin: Impact and Volcanic Size: 360 km Rukl: 38, 49 Type: Basin - Mare
Objects: Mare Smythi
Others Identified: Apollonius, Firmicus, Mare Fecunditatis, Mare Spumans, Mare Undarum, Neper, Sinus Successes
Date: 2019-03-20
Location: Home
Time: 10:16 PM ADT
Equipment: 6” Sky-Watcher Dobsonian
Eyepiece: Antares 15 mm Plössl 9.7 mm with x2 Barlow
Magnification: x80
Seeing: Very good (4)
Transparency: Very good (4)
SQM: 18.12
Temp: 0º C
No wind. Full Moon at 99.% illumination. Very bright.
C1: The Mare was very cratered but could not discern specifics other than slight variations in the darkness of the Mare floor.