BBC Sky at Night - UK (2021-08)

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þ Delaunay’s

unusual shape and

parallel grooves

are likely to have

been caused by the

same impact that

created the Moon’s

Mare Imbrium basin

N

Delaunay

Ty p e : Crater

Size: 46km

Longitude/Latitude: Ō(Ō6

Age: 2OGHUWKDQELOOLRQ\HDUV

Best time to see: First quarter

(15 August) or six days after full Moon

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Minimum equipment:PPWHOHVFRSH

52 BBC Sky at Night Magazine August 2021

MOONWATCH August’s top lunar feature to observe

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As Delaunay stretches

towards the southwest,

it creates a strawberry

or heart-shaped outline

Parrot C

Arzachel

Delaunay

Faye

La Caille

Werner

Delaunay A