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Re: (IAAC) Obj: M33 + Help me with M81!



I agree with William, you can see it with telescopes
even if it isn't visible in binoculars. I saw it with
naked eye several times this summer, when the limiting
magnitude was around 6 to 6.5. I've also heard on IAAC
that several people have seen M81 with naked eye.
I would appreciate any information about doing it
because I'm planning a trip to a 6500ft mountain this
winter, where I expect limiting magnitude of 7, or
maybe even more. Thanks!
                                        N.
--- William Schart <wschart@hot.rr.com> wrote:
> 
> On Thursday, November 15, 2001, at 09:16 AM, Apache
> User wrote:
> 
> >
> > In a 20" at 150x, M33 showed a hint of spiral
> structure, especially the 
> > northern arm. The big H-II region (NGC604) looked
> like a separate 
> > galaxy. This is a big, dim galaxy. In my 10", the
> first time that I 
> > looked for it, I passed over it several times
> before I realized that I 
> > was actually looking at it! This is reported to be
> an object that if 
> > you can't see it in binoculars, you won't be able
> to see it in a 
> > telescope regardless of the aperture. I don't know
> if this is exactly 
> > true, but given it's minimal surface brightness,
> any significant light 
> > pollution will wash it out.
> >
> >
> 
> I do not think that this is true. I have not seen it
> in binos (10x50) 
> but I have seen it (barely) in a 6" Dob as well as
> my 8" SCT. Best skies 
> I have around here are mag 4 to 4.5 and M33 is a
> very difficult object 
> for me. It is so much fainter than M31 that it
> simply amazes me that 
> anyone could even think about making this naked eye,
> let alone actually 
> seeing it unaided. But maybe if I had darker skies 
> . . .
> 
> William Schart
> 
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