NGC/IC Project Restoration Effort

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NGC3965

 

Basic Information


Location and Magnitude


Right Ascension: 11:54:23.1
Declination: -10:51:59
Constellation: CRT
Visual Magnitude: 15.7

Historic Information


Discoverer: Leavenworth
Year of discovery: 1886
Discovery aperture: 26.3

Observational


Summary description: eF, eS, R, bMN, * 9.5 np 4'
Sub-type: S

Corwin's Notes

===== NGC 3965 is probably the faint galaxy that I've noted in the table. It has a star 4 arcmin north-preceding as noted by Francis Leavenworth. The star is not as bright as his "9.5" -- V = 11.3, according to AC2000.2, but I would expect him to overestimate the magnitude with a telescope as large as the 26-inch he was using. Nor is the galaxy unreasonably far off his position, 44 seconds of time preceding. The mystery here is why neither I in ESGC, nor Jack Sulentic in RNGC, noted the object. The declination is right, and I knew about the poor RA's in the Leander McCormick lists, so why did I not pick it up? The magnitude more or less matches Leavenworth's estimate (16.0), and the size is appropriate, too (0.1 arcmin), as is his "R, bMN" note. Perhaps I just did not believe that he could dig out a galaxy that faint. While this should be checked visually, I'm fairly certain that the galaxy is Leavenworth's object.

Steve's Notes

===== NGC 3965 24" (3/22/14): very faint, small, round, 12"-15" diameter. Immediately picked up once the position was centered at 375x. Located 11.8' NNW of mag 8.2 HD 103449.