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Re: (IAAC) Obj: NGC 4546 (H-160-1) - Inst: 20" f/10 classical Cassegrain equatorial fork mount



anonymous NFS user wrote:
> ----
>
> Observer: Dave Mitsky
> Your skills: Advanced (many years)
> Date/time of observation: 2001/4/13-14 3:03 UT
> Location of site: Colebrook, PA (Lat 40d N, Elev )
> Site classification: Rural
> Sky darkness: 5.5+ <Limiting magnitude>
> Seeing: 6 <1-10 Seeing Scale (10 best)>
> Moon presence: None - moon not in sky
> Instrument: 20" f/10 classical Cassegrain equatorial fork mount
> Magnification: 127, 159, 203, and 302x
> Filter(s): None
> Object(s): NGC 4546 (H-160-1)
> Category: External galaxy.
> Class: Elliptical galaxy
> Constellation: Virgo
> Data: mag 10.0  size 1.8'x0.8'
> Position: RA 12h:36m  DEC -03d:48'
> Description:
> Using the Y-shaped asterism that appears on page 112 of the Uranometria 2000.0
> I was able to log two new Herschel 400 galaxies, NGC 4546 (3:03 UT) and NGC 4550
> (3:35 UT), on a not so unlucky Friday the 13th.  NGC 4546 (12h36m, -03d48') is a
> tenth magnitude elliptical galaxy that is fairly small and circular, with a
> bright stellar core.  To the north lies NGC 4500 (12h36m, +12d13'), an eleventh
> magnitude elliptical galaxy that is small, roundish, and had a bright nucleus.
> NGC 4500 is located 0.5 degree south of M89.  (Nearby NGC 4557 was also circular
> but had a uniform brightness.)  Magnifications of 127, 159, 203, and 302x were
> used on NGC 4546 and 127 and 203x on NGC 4550.
snip
All references to NGC 4500 are incorrect.  The galaxy in question was actually NGC
4550.
Dave Mitsky
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