Balmer (moon crater)

Balmer

position

20.27 ° S , 70.22 ° O coordinates: 20 ° 16 '12 " S , 70 ° 13' 12" O

diameter

136 km

depth

1960 m

Card sheet

99 (PDF)

Named after

Johann Jakob Balmer (1825–1898)

Named since

1964

Unless otherwise stated, the information comes from the entry in the IAU / USGS database

136.3

Balmer is an impact crater on the eastern edge of the lunar front , east of Mare Fecunditatis , northeast of Petavius crater and northwest of Humboldt . The crater wall has disappeared in the north, otherwise it has been moderately eroded. The inside of the crater is flat.

List of Balmer minor craters
Letter	position	diameter	link
M.	20.77 ° S , 71.55 ° OMoon -20.77 71.55	7 km	[1]
N	19.92 ° S , 69.8 ° EMoon -19.92 69.8	8 kilometers	[2]
P	20.48 ° S , 67.53 ° OMoon -20.48 67.53	15 km	[3]
Q	18.7 ° S , 70.47 ° OMoon -18.7 70.47	8 kilometers	[4]
R.	18.73 ° S , 69.12 ° OMoon -18.73 69.12	6 km	[5]
S.	18.57 ° S , 67.61 ° OMoon -18.57 67.61	8 kilometers	[6]

The crater was officially named by the IAU in 1964 after the Swiss mathematician and physicist Johann Jakob Balmer .

Web links

Balmer in the Gazetteer of Planetary Nomenclature of the IAU (WGPSN) / USGS
Balmer on The-Moon Wiki

Individual evidence

^ John E. Westfall: Atlas of the Lunar Terminator. Cambridge University Press, Cambridge et al. 2000, ISBN 0-521-59002-7 .

[1] John E. Westfall: Atlas of the Lunar Terminator. Cambridge University Press, Cambridge et al. 2000, ISBN 0-521-59002-7 .