Harold Corwin

IC 1490 = IC 1524. Neither discovery position is very good; Swift's is, in fact, 30 minutes of time too small, a clear typo or transcription error. Safford's RA is 20 seconds too large, and 1.7 arcmin too far south. The RA error would be easily correctable as the galaxy is a fairly large and bright object -- but it has a somewhat fainter edge-on companion 4 arcmin south. MCG put "IC 1524" on the spindle instead of the brighter spiral. This in spite of the fact that the nominal position is closer to the brighter galaxy. Oh, well.

We're sure of the identity of Swift's object as he mentions a "vF * close n" as well as "6 pB = Mag. sts p" in his notes. All these stars are there.

Safford's object is missing its description. He complains in a footnote that the last 20 or so objects have no descriptions in the copy of his list that was sent to him after he left Dearborn. However, the position is similar to several others in his list in that it carries a digit error in RA.

― IC Notes by Harold Corwin

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