IWLOP #054 - Abulfeda & Catena Abulfeda

IWLOP #054 - Abulfeda & Catena Abulfeda

This long crater chain begins at Abulfeda and continues to Rupes Altai. The origin of this chain, which is radial to no known basin or crater, is unclear.

Location: 17.0 S 13-21 E   Origin: Impact     Size: 62 km (Abulfeda), 210 km in length (Catena Abulfeda)    Rukl: 45, 56, 57    Type: Crater, Catena

Objects: Abulfeda, Catena Abulfeda, Rupes Altai
Others Identified : Almanon, Descartes, Tacitus

Location: Home
Date: 2021-04-20
Time: 9:19 PM ADT
Equipment: 10" Meade SCT, 4.7 mm eyepiece
Magnification: x530
Seeing: Good (3)
Transparency: Very Good (4)

R1: Albulfeda has a flat floor with a small central crater. Whereas most of the walls look thick and terraced, the W wall looks steep/ridged.
R2: The Catena Albufeda begins at Albufeda's S-SW, travels just north of Almanon, then curves SE below Tacitus to join the northern Rupes Altai.

C1: Some craters on the north wall of Albufeda are smaller and shallower than others.
C2: I could make out at least 5 secondary craters on the N wall.
C3: Think I saw the 4 craterlets that begin the Catena on the south wall of Albulfeda when the seeing improved. Most were small and in the crater wall.

 

 

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