NGC 590 NGC 477
And
☀13.0mag
Ø 54'' / 36''

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William Herschel discovered NGC 513 = H III-169 = h111 on 13 Sep 1784 (sweep 271) and simply noted "stellar." This object is in a large group of galaxies found on this sweep using Beta Andromedae as a reference star. Seven of these objects have varying errors in RA except for NGC 404. In this case, Herschel's RA is off by ~30 seconds from UGC 953. John Herschel made the single observation "F; S" in Nov. 1827 (sweep 105) and measured a good position.

The RA in the RNGC is also 0.6 min too far west and the galaxy is misplotted on the first version of Uranometria 2000. The position is given correctly in UGC and RC3. See Corwin's notes.

300/350mm - 13.1" (8/8/86): fairly faint, small, elongated WSW-ENE, weak concentration. Located at the NE end of a line of four mag 12-13 stars which extend to SW; the closest mag 13.5 star is 0.9' SW and is followed by a second parallel line of stars. NGC 512 lies 9' NW. Incorrect RA by 0.6 minutes west in the RNGC and plotted incorrectly on the U2000.

Notes by Steve Gottlieb