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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

Lacus Mortis, Posidonius - 26.9.2021 at 00.13 Vantaa, Pähkinärinne Observation number 101456

Visibility Unclassified

Paula Wirtanen, Ursa (Helsinki)

The image of Lake Death (Lacus Mortis) taken through the eyepiece, Posidonius, was also perfectly visible on the terminator.

The crater Bürg and also the rille at the bottom stood out clearly from Lacus Mortis. Poorly seeing did not allow for further investigation. I will try to get a drawing observation of the area as well as a more detailed picture later.

Chacornac and the bay-like Le Monnier stood out to the south of Posidonius. In 1973, the Soviet unmanned ship Luna 21 landed in the crater of Le Monnier, also carrying the ATV Lunohod 2.

#Lunar100: 034
#Lunar100: 020

Additional information
  • Observation target
    • Moon surface feature
  • Name of the observation target
    • Lacus Mortis, Posidonius
  • Seeing
    • Mediocre
Technical information

Sky-Watcher Skymax 127, SP 10 mm (150x). iPhone SE (2020)

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