Sunday, November 11, 2018

Lacus Mortis (Lake of Death)


Shot on 10/29/2018.   The conditions were challenging as there were high cirrus clouds moving across the moon.  Made for a very moody image, but poor seeing.  Same technical info as previous shot with the C11, ASI 174mm camera, 2.5x barlow, captured in SharpCap Pro.   About 1000 frames stacked (out of 5k).

The main rille here is Rima Bürg running from left to right.   The secondary rille almost runs perpendicular to it.   There are various small rille in the upper half of the "lake".

No one online seems to know why it's called the Lake of Death.   To me, in this phase (19.7 days old), this area seems quite spooky.   On the left part of the lake, the two relatively straight walls seem to suggest an overall hexagonal shape.  Also, there are 3 scratch marks to the right entering into the shadows -- like the scratch marks of an evil beast.   :)


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