IWLOP #029 - Fracastorius

Since this crater intersects the Nectarian Basin wall, it formed after the Nectarian Basin impact but before the area was flooded with lava.

Location: 21.2 S 33.0 E   Origin: Impact    Size: 58 km    Rukl: 58     Type: Complex Crater (CC)

Objects: Fracastorius, Craters L & M
Others Identified: Fracastorius D, N, W, X, Y; Mare Nectaris

Moon Phase:  1st Quarter (52.9% illumination)

Location: Home
Date: 2021-03-21
Time: 8:03 PM ADT
Equipment: 10" Meade SCT, 4.7 mm
Magnification: x530
Transparency: Very Good (4)
Seeing: Very Good (4)

R1: Fracastorius - Oval/Almond shape to the crater on south shore of Mare Nectaris. North wall virtually non-existent with similar colour to the Mare.

C1: Crater M located near the centre line in lower half of the crater. Crater L was located in the upper half just off centre. The rille seemed to pass just north of crater M, extending east towards a small crater and ending on the crater wall near crater D.

NOTE: The crater floor north of the rille into Mare Nectaris was darker than the floor south of the rille. There was also a bright line (ejecta?) that ran NE to SW, especially noticeable below crater D.

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