Contact information

Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

Mons Rümker - 1.11.2017 at 20.00 - 1.11.2017 at 20.35 Harjavalta Observation number 67990

Visibility IV / V

Jari Kuula, Porin Karhunvartijat

Mons Rümker is a large volcanic complex (73km), consisting of more than a dozen small domes. This structure is the only one of its kind on the Moon, and when low it requires a low Sun to appear. Early lunar surveyors saw it as a worn-out crater. The drawing is done in a few steps between the clouds.

Additional information
  • Observation target
    • Moon surface feature
  • Name of the observation target
    • Mons Rümker
    • Näyttävä
  • Seeing
    • Average
Technical information

Mak 150

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