The Crab is underwhelming in good and poor seeing. Under my semi dark coastal skies it is a grey oval smudge in an 8"sct. I observed it on Feb 10 in my 14" and while showed some subtle texture but I must admit it's low surface brightness still leaves me underwhelmed. Perhaps it's fame as "the Crab Nebula" and Messiers 1st object builds my expectations too high.
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