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The letter D marking a comet no longer seen.
Also known as: Lost comet notation, Destroyed comet designation
The designation marking a comet that has disappeared or is considered destroyed.
Marks a comet that has disappeared or is considered destroyed.
Contexts: History
Changes one letter of an existing designation rather than withdrawing it, so the object keeps its identity in the record after it has ceased to exist.
Contexts: History
A capital letter D in place of the P of a periodic comet, otherwise identically formed.