Contains:Earth's Moon
Letronne Crater - 24 June 2018, 




    

        Geof Lewis

Letronne Crater - 24 June 2018

Technical card

Resolution: 927x913

Date: June 24, 2018

Time: 22:32

Frames: 250

FPS: 20.00000

Focal length: 8000

Seeing: 3

Transparency: 7

Data source: Backyard

Description

Letronne is a 120km (72 mile) diameter lava-flooded remnant of a lunar impact crater. The northern part of the rim is completely missing, and opens into the Oceanus Procellarum, forming a bay along the southwestern shore. The formation is located to the northwest of the large crater Gassendi.To the west-southwest is the flooded crater Billy, and north-northwest lies the smaller Flamsteed.

The surviving rim of Letronne is now little more than a semi-circular series of ridges. The flooded, broken rim of Winthrop overlies the western wall. The rim is the most intact along the eastern stretch, forming a mountainous promontory into the mare. A small cluster of central rises lie at the midpoint of the crater. An 8km wide wrinkle ridge known as Dorsa Rubey traverses the floor from north to south for aproximately 100km. The crater floor is otherwise nearly smooth and relatively free of craterlets, with the exception of crater Letronne B (5km diameter) near the southeast rim.
Source Wikipedia & Virtual Moon Atlas v6.0

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geoflewis
Geof Lewis
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Letronne Crater - 24 June 2018, 




    

        Geof Lewis