25 March 2007

Maskelyne (lunar crater)

Date: 25 March 2007 U.T.
Time: 3:19 - 4:05 U.T.
Telescope: 30cm Newtonian
Magnification: 145x
Filter: Moon-SkyGlow
Seeing: Fair to Poor
NELM: 5.6


The above sketch shows Maskelyne, an oddly-shaped, 24km wide crater in the south-central portion of the Moon's Sea of Tranquility.

This is my first lunar observation with the MSG filter. The filter appeared to remove the yellow color from the Moon, creating more of a black and white landscape; but I didn't notice any improvement in visible detail.

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