NGC/IC Project Restoration Effort

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NGC4768

 

Basic Information


Location and Magnitude


Right Ascension: 12:53:17.2
Declination: -9:31:54
Constellation: VIR
Visual Magnitude: 13.8

Historic Information


Discoverer: Tempel
Year of discovery: 1882
Discovery aperture: 11.0

Observational


Summary description: vF, vS, p III 525 on parallel
Sub-type: *

Corwin's Notes

===== NGC 4768 and NGC 4769 are a star and a close double star, respectively. They were found by Tempel while he was examining the field around NGC 4770, and his only description of them is copied correctly into the NGC. He gives no accurate positions, but the stars are a striking triplet just where he claims to have seen them "preceding III 525 (N4770) on the parallel." There are no galaxies or other stars that might fit, so the identities are pretty sure. During an earlier sweep through the IC, I had misidentified the "northwestern" star as a component of NGC 4769. This is wrong; NGC 4769 is the very close double star (separation 3.3 arcsec at J2000, based on the UCAC positions) just southeast of the single star to the northwest, which is, of course, NGC 4768.

Steve's Notes

===== NGC 4768 18" (4/29/06): appears as a mag 13 star located 3.7' W of NGC 4770. Forms a 20" pair with a mag 13 star (this is NGC 4769) to the SE. These two NGC entries are from Tempel while observing the field of NGC 4770.