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
Hercules
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.
Atlas
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.