Harold Corwin

IC 1923 is most likely the faint double galaxy (or possibly a galaxy and a star) that I've listed in the position table. Unfortunately, Stewart describes it only as "Stell[ar]" -- brief, unhelpful descriptions plague his notes on this plate -- so we won't know for sure that this is his object until we can examine the original plate.

However, his positions on this plate -- one of the first he searched for nebulae (this probably accounts for the scanty descriptions) -- are good. There is no significant systematic offset and the standard deviations are 0.67 arcmin in RA and 0.61 arcmin in Dec. Since Stewart's position for the double object I chose is well within the canonical 2-sigma of the true position, I'll take the pair as the object that he saw.

― IC Notes by Harold Corwin

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