Named for Simon Newcomb (1835-1909), born in Wallace, NS. Professor of Mathematics at US Naval Observatory and internationally renowned astronomer of his time. Namesake asteroid Newcomb 855. His popular astronomy writing inspired the RASC Simon Newcomb Award.
Fresh impact crater already included as objective [19], between Cleomedes and Posidinius, NW of Mare Crisium.
Diameter: 39 km Rukl: 25
Objects: Newcomb; craters, A, J, G; Montes Taurus
Other Objects: Lacus Bonitatis; craters B, C
Location: Home
Date: 2021-05-15
Time: 8:20 PM
Equipment: 10" Meade SCT
Eyepiece: Explore Scientific 4.7mm with 82° FOV
Magnification: x530
Temperature: not recorded
Seeing: Poor (1)
Transparency: Fair (2)
Crater A had impacted the SW wall of Newcomb. Craters J and G were in line with A; B and C were adjacent to them.