2012 10 04 - lunar craters Hercules and Atlas

Posted by Erika Rix
on Thursday, October 11, 2012

2012 10 04, 0500 UT - 0636 UT     Hercules and Atlas

Erika Rix, Texas - www.pcwobservatory.com


AT6RC f/9 1370mm, LXD75, Baader Planetarium Hyperion 8-24mm Mark III

(FOV 68 degrees at 171x), no filter

69F, 70% H, light breeze, lightly scattered, Antoniadi III, T 4/6

Alt: 31deg 14´, Az: 84deg 58´ to Alt: 51deg 28´, Az: 97deg 02´

Phase: 314.8 degrees, Lunation: 18.12 d, Illumination: 85.2%

Lib. Lat: +00:26, Lib. Long: +00.35



Type: crater

Geological period: Eratosthenian (From -3.2 billion years to -1.1 billion years)

Dimension: 71km

Height: ~3000 meters

Steep slopes to west, terraced walls to east. Flat floor with hills and crater E.



Type: crater

Geological period: Upper Imbrian (From -3.8 billion years to -3.2 billion years)

Dimension: 90km

Height: ~2800 meters

Steep slopes, central mountain, rugged floor, terraced walls.

Eyepiece sketch on black Strathmore Artagain paper, white Conte’ crayon and pencil, black oil pencil.

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