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NGC 5396 = NGC 5375. JH searched for his father's nebula (III 125) at WH's position, but could find only NGC 5375 (h 1771) in the area. Dreyer notes "In the sweep, there is before III 125 a * 8 mag 2deg 49min more north than III 125, no transit..." The star is there, about 30 seconds preceding. So, we can be pretty confident about the identity.
Curiously, JH equated the two nebulae in his 1833 catalogue, but separated them for GC. This is probably just caution on his part, given his comment in the 1833 list, "If this be III 125, my Father's place is much out in RA."
Synonyms: H III-125
Discovered in 1784 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "vF, S, iR, lbM, almost stellar." Dreyer notes that it was not found by Bigourdan.
The RNGC (Sulentic and Tifft 1973) notes that this is a nonexistent object. Their coded description reads NONEXISTANT S.
The Messier objects
The Bennett objects
The Caldwell list
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