IWLOP #035 – Jansen

IWLOP #035 – Jansen

Jansen is a low, mare-flooded crater. It dates from the Pre-Nectarian Era.

Location: 13.5 N 28.7 E    Origin: Impact and Volcanic     Size: 23 km     Rukl: 36     Type: Complex Crater (CC)

Objects: Jansen, Jansen Y, Sinas, Maskelyne, Dorsa Barlow
Others Identified: Beketov, Cajal, Carrel

This session was conducted as part of the lunar observing session - Lunar Session - April 15, 2021

Observation 1:
Location: Home
Date: 2020-05-25
Time: 10:05 PM ADT
Equipment: 6" Dobsonian, 9.7 mm eyepiece + x2 Barlow
Magnification: x250
Seeing: Very Good (4)    
Transparency: Good (3)

R1:  Jansen is a very shallow crater with a floor much darker than the surrounding area.

C1:  The small crater Jansen Y could not be seen.
C2:  Sinas, Maskelyne and Dorsa Barlow were very readily identified.

Observation 2:
Location: Home
Date: 2021-04-15
Time: 7:48 PM ADT
Equipment: 10" Meade SCT. 4.7 mm eyepiece + x2 Barlow
Magnification: x1060
Seeing: Very Good (4)    
Transparency: Good (3)

C1:  The small crater Jansen Y was seen on the crater floor.

 

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