NGC/IC Project Restoration Effort

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NGC2459

 

Basic Information


Location and Magnitude


Right Ascension: 7:52:1.7
Declination: +9:33:29
Constellation: CMI
Visual Magnitude:

Historic Information


Discoverer: Herschel W.
Year of discovery: 1785
Discovery aperture: 18.7

Observational


Summary description: vF, S, rr group + neb
Sub-type: OCL

Corwin's Notes

===== NGC 2459 is a group of five stars. WH described it only as "Suspected. eF, vS, lE", while JH said, "A l [sic] group of S sts which has a neb look, and perhaps there may be neb among them. No other near" and "A S group of sts; with attention counted 5 with power 320[X]; form a neb group 20 [arcsec] diam". No nebulosity was ever seen at Birr, so JH was pretty certain that the object was only a small group of stars. Dreyer was sure enough that he made this clear in note in the 1912 collection of WH's scientific papers.

Steve's Notes

===== NGC 2459 17.5" (2/22/03): this very small group of 5 faint mag 14-15 stars within 30" was just resolved at 220x . At low power it appeared like a nebulous spot. Although this may be a multiple star, it's likely just a compact asterism.