SIMBAD query result

Please have a look at the "Dictionary of Nomenclature"

Result of query: info cati H53] 5

.

 [Class]      Acronym  (Explanation)   . . . . . . . . . in Simbad, use:
 [GalNeb]     H (Hoffleit) . . . . . . . . . . . . . . . [H53] NN
 [GalNeb]     [H53] (Hoffleit 1953)  . . . . . . . . . . [H53] NN
 [GalNeb]     [H53a] (Hoffleit 1953) . . . . . . . . . . [H53] NN
 [GalNeb]     Hf (Hoffleit)  . . . . . . . . . . . . . . [H53] NN
 [GalNeb]     Hoffleit (Hoffleit)  . . . . . . . . . . . [H53] NN