Re: (IAAC) Obj: NGC 5139, Omega Centauri - Inst: 20x100mm binoculars
Omega Centauri is such a remarkable deep-sky object that I have come to evaulate an
observing site based upon whether or not this object can be seen from it. Definitely get
the 13" on it on a clear, steady night--you'll be ready to move to Australia.
anonymous NFS user wrote:
> Observer: Mark G.Birkmann
> Your skills: Intermediate (some years)
> Date/time of observation: 1/25/01, 10:30 UT (4:30 a.m. CST)
> Location of site: New Haven, Missouri (Lat ~38, Elev ~700 feet)
> Site classification: Rural
> Sky darkness: 6 <1-10 Scale (10 best)>
> Seeing: 4 <1-10 Seeing Scale (10 best)>
> Moon presence: None - moon not in sky
> Instrument: 20x100mm binoculars
> Object(s): NGC 5139, Omega Centauri
> Category: Globular cluster.
> Class: 8
> Constellation: cen
> Data: mag 3.9(v) size 53'
> Position: RA 13h:26m 46.0" DEC -47:28' 36"
> I've heard of this object being viewed from even farther north than this. But
> I never thought I'd see it from here due to the poor transparency near the
> horizon here in Missouri. We also have a hill about 1/2 mile to our south with
> tall trees on it. But my friend Kim Colter solved this problem by observing
> from the top of the 17' ladder. When it was my turn to take a look I was amazed
> at how bright and easy it was to see. It would almost certainly have been
> visible in 50mm binoculars. I may try to get a look at it from a better site
> with the 13" to see if any stars can be resolved. This was a very memorable
> site for me. I can't remember the last time I observed a deepsky object that
> shared the field of view with a tree!
> Optional related URLs: http://www.fortunecity.com/greenfield/twyford/637/drawings.htm
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