Harold Corwin

Bigourdan has only one observation of this on 28 October 1889 when he was working across the face of M 33. He says of it, "Nebulosity nearly completely imperceptible because of its faintness." While that makes it clear that he didn't see any detail in it, the Sky Survey images show an east-west one of three relatively bright knots standing out against a star cloud. I've given positions for all three in the table, and have noted that the middle knot -- looking more like a clump of several stars -- is a bit fainter than the eastern and western knots.

Also see IC 135 where an error in Bigourdan's observation is explained.

― IC Notes by Harold Corwin

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