IWLOP #004 – Vendelinus

IWLOP #004 – Vendelinus

Large, eroded pre-Nectarian crater located near the eastern limb of the Moon. This area can be seen during the waxing crescent phase or the waning gibbous phase, after Full Moon.

Objects: Vendelinus, Lamé, Holden, Lohnes
Others Identified:  Vendelinus E, F, H, l, Y

Moon Phase:  1st Observation (5.7% illumination)
Moon Phase:  2nd Observation (68.8% illumination)

Observation 1: Location: Home Date: 2020-05-25 Time: 9:05 PM ADT Equipment: 6" Dobsonian Eyepiece: Antares 15mm Plössl Magnification: x80 Transparency: Good (3) Seeing: Good (3) R1: The northern wall of Vendelinus is worn down. Lava flow perhaps (?). R2: The crater chain in Lamé appears to be along its eastern wall. R3: Lohse and Holden both had central peaks and from the length of shadows on the crater floors seem to have steep walls.

Observation 2:
Location: Home
Date: 2021-04-15
Other details not noted

R2: The crater chain in Lamé is visible as shadows in a row along the eastern crater wall that appears to extend beyond Lamé's wall to continue southward and east of Vendelinus.