Harold Corwin

IC 5132 and IC 5133 are two stars north of NGC 7129 embedded in very faint nebulosity. Roberts does not list positions in his short note in MNRAS 56, 380, 1896, but distances "from the centre (sic) of the tristellar nucleus of [NGC 7129]: (1) 358 [arcsec] north following; (2) [= IC 5132] 326 [arcsec] north preceding; (3) [= IC 5133] 277 [arcsec] north preceding."

Dreyer apparently took number "(1)" to be NGC 7133 (which see), but as there is nothing in Bigourdan's position, Roberts's first object cannot be the NGC object. Roberts's first object, by the way, is at 21 43 50.35, +66 08 47.6 (J2000; from UCAC); I've called it "IC 5133 comp" in the position table.

Dreyer is apparently responsible for the IC positions; they are 2-3 arcmin southwest of the stars, but the relative position between the two objects is pretty good.

― IC Notes by Harold Corwin

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