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Discovered by Sir John Herschel at the Cape of Good Hope with an 18-inch f/13 speculum telescope. He recorded it as "pF, R, psbM, 25 arcseconds, has a star 7-8m 10' preceding, exactly in the parallel."
Table IV: Not seen.
Paturel, G., Petit, C., Kogoshvili, N. et al. (1991) An extragalactic data base. IV. Errors and misprints in catalogues of galaxies. Astrophys.J.Suppl.Ser., 91(3), 371.
NGC 7020 = NGC 7021
(Sulentic and Tifft 1973) notes that this is a nonexistent object. Their coded description reads NF S.
The Messier objects
The Bennett objects
The Caldwell list
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