NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC4322
Basic Information
Location and Magnitude
Right Ascension: 12:23:1.7
Declination: +15:54:19
Constellation: COM
Visual Magnitude: 13.9
Historic Information
Discoverer: Tempel
Year of discovery: 1882
Discovery aperture: 11.0
Observational
Summary description: 2, vF, n of M 100
Sub-type: SB0
Corwin's Notes
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NGC 4322 is probably a star. It, NGC 4323, and NGC 4327 were all found by
Tempel while he was observing NGC 4321 (M 100) and NGC 4328. He only gives
descriptive places for them with respect to the brighter objects, so the NGC
positions are only approximate. His entire note for the three objects reads
(translation by me), "... on my drawing, there are three other very faint
nebulae in the vicinity, two north of and close to 2890 [N4321], and the third
south of 2894 [N4328]."
Given Tempel's propensity for seeing nebulae where only stars exist, I think
that the star northwest of M 100, and one of the stars southeast, along with
the galaxy to the northeast, are Tempel's three objects. It's certainly
possible to argue with this since Tempel gives no details about the appearance
of his objects, but this is a reasonable hypothesis under the circumstances.
The galaxy to the northeast has been called "NGC 4322 = NGC 4323" by many
observers. Since Tempel's description is very clear about his having seen two
"nebulae" north of M 100, the identity cannot be true. This has the
unfortunate consequence that the number 4322 is put onto a star, but I prefer
this to inverting the RA order.