Contact information

Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

Fracastorius - 26.9.2021 at 01.10 - 26.9.2021 at 01.55 Harjavalta Observation number 101449

Visibility IV / V

Jari Kuula, Porin Karhunvartijat

The company draws Fracastorius in late night lighting. It was formed on a 400 km diameter ring of the Nectaris basin, and tilted towards the sea due to the depression of lava. In a better picture and better lighting, an east-west slope stands out in the middle of the crater. On the north side of the channel, the lava is darker, and less cratered than in the south.

The Fracastorius, more than 120 km in diameter, is No. 21 on the Lunar100 catalog.

Additional information
  • Observation target
    • Moon surface feature
  • Name of the observation target
    • Fracastorius
  • Seeing
    • Average
Technical information

Mak 170

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