IWLOP #058 - Cuvier

Crater with a smooth floor. Cuvier is located almost due south of the prominent crater Maurolycus (Rukl 66) in a heavily cratered area of the Moon that is an interesting challenge to navigate.

Location: 50.3 S 9.9 E    Origin: Impact     Size: 75 km     Rukl: 74     Type: Simple Crater (CS)

Objects: Cuvier + Q, F, A, E, B, L, H; Baco, Ascelpi, Tannerus, Mutus, Manzinus, Jacobi, Kinau
Others Identified : Biela, Boguslawski, Boussingault, Demonax, Hagecius, Nearch, Rosenberger, Vlacq

Location: Home
Date: 2019-06-10
Time: 10:40 PM ADT
Equipment: 10" Meade SCT, 12 mm eyepiece with 92° FOV + x2 Barlow
Magnification: x416
Seeing: Very Good (4)
Transparency: Good (3)

No clouds or wind. Relatively warm night.

R1: Located Cuvier SE of Heraclitus. Slight oval shape with crater impact on NE rim. Five craters curved to the SE - Q, E, A, E, B). Also found L & H on NE rim.

C1: Found all 3 craters (Baco, Asclepi and Tannerus) to the east and SE.

Baco: worn down rims, oval shaped, smooth floor. Several craters near its rim.

Asclepi: SE of Baco. Crater floor appeared smooth.Easily identified sub-craters B, D, G, H along with A and E. Looked like a squished diamond shape.

Tannerus: Sub-craters formed a right angle with Tannerus at the corner.


C2: Further SE, I found Mutus and Manzinus and to the south Jacobi and Kinau. I knew Kinau formed a triangle with Mutus-Manzinus and it wasn't easily found. The Moon was favourably librated so could identify others even further south.

Mutus: Craters A, B and V found on smooth floor. Steep eastern rim versus the ridged west rim. Crater A adjacent to the rim. Crater B just off-centre to the west and completely on the crater floor. Crater V was in the east and was the largest of the three.


Manzinus: Craters D, E and G on SW sloped rim, plus C and N.

Jacobi: Impact crater O on northeast rim and J on southwest rim, plus N, K, W on the crater floor.

NOTE: Search, Rosenberger, Vlacq, Biela and Hagecius formed a grouping NE of Mutus.

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