Moon Apr 3rd 2017, "The Lunar X" zooming
Image taken with a SkyWatcher 70mm SK707AZ2 + Barlow 2X + 10mm lens.
Edited with Photofiltre and MS Picture Manager, to get more details.
At first time I've caught the asterism called "the Lunar X", which is a clair-obscur effect in which light and shadow creates the appearance of a letter 'X' on the rim of the Blanchinus, La Caille and Purbach craters only at a specifically moment during the month.
Moon Apr 3rd 2017, "The Lunar X" zooming
Image taken with a SkyWatcher 70mm SK707AZ2 + Barlow 2X + 10mm lens.
Edited with Photofiltre and MS Picture Manager, to get more details.
At first time I've caught the asterism called "the Lunar X", which is a clair-obscur effect in which light and shadow creates the appearance of a letter 'X' on the rim of the Blanchinus, La Caille and Purbach craters only at a specifically moment during the month.