The Waning Moon

After Full Moon, the challenge becomes one of convenience: observing the Moon at a decent hour. One has to wake up very early before dawn or stay up late at night to allow the Moon to gain altitude.

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Waning gibbous, 91% illumination, January 1, 2021. Canon EOS M200 on 89mm Questar Maksutov-Cassegrain telescope, 1/50 second exposure at ISO 400.

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Waning gibbous, 83% illumination, November 4, 2020. Canon EOS M200 on 89mm Questar Maksutov-Cassegrain telescope, 1/80 second exposure at ISO 1250.

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Waning gibbous, 79% illumination, August 26, 2021. Canon EOS M200 on 102mm Orion Maksutov-Cassegrain telescope, 1/25 second exposure at ISO 100.

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Waning gibbous, 56% illumination, July 20, 2022. Canon EOS M200 on 89mm Questar Maksutov-Cassegrain telescope, 1/5 second exposure at ISO 100.

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