L48: Cauchy Region

Cauchy is a small crater in the eastern parts of Mare Tranquillitatis. The crater itself is bright but rather unassuming, although it is nicely framed by about 100 km long rille to the north (Rima Cauchy) and an even longer fault to the south (Rupus Cauchy).

At the eyepiece and with excellent seeing they were both an easy catch. Unfortunately I forgot to look for the two domes that can be found to the south of the fault.

Sketch made on 23 May 2015 (moon age 5.7) using a Sky-Watcher 10″ and a TeleVue Nagler zoom 3-6 mm. North is up.

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