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Type: galaxy, S0
Mag: B=13, V=?
Size: 1.949′ x 0.588′
James Dunlop observed this object from Paramatta, New South Wales, and included it as No. 255 in his catalogue of 1827. Using a 9-inch f/12 telescope, he described it as "a small faint elliptical nebula in the parallel of the equator, about 25 arcseconds, long and 12 or 15 arcseconds broad."
Observed by Sir John Herschel at the Cape of Good Hope with an 18-inch f/13 speculum telescope. He recorded it as "F, S, R, bM, 15 arcseconds."
The RNGC (Sulentic and Tifft 1973) notes that this is a galaxy. Their coded description reads 24-EL,MBM.
Table IV: Stell.NM. with wisps at 175deg.
15cm - smlr & fntr than I5250AB, inv in grp of f *s @ 140x. *ar nuc and sm
lentic halo elong N-S. BS, 8Nov1993, LCO.
The Messier objects
The Bennett objects
The Caldwell list
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