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Re: (IAAC) Obj: Unknown - Inst: aperture=3.5 700mm Focal Length, tr



Lew Gramer wrote:
> >As you are observing with a scope of 3.5" aperture your limiting,
> >magnitude stars are 11.5. So, forget any Index Catalogue objects
> >being in the range of this telescope at least in this area. M9
> >is 3.5 degrees from Sabik and is at 7.8(v).
>
> Toney's advice is generally true - the IC is often refered as the
> "I *don't* See" by amateur telescope owners. :) However, there is
> a short list of IC objects that are easily within reach of even a
> very small amateur instrument - including one somewhat nearby the
> very area in question, namely, off the E "shoulder" of Ophiuchus.
>
> It is IC 4665, also known as Collinder 349, Melotte 179, and (by
> me at least) as the "Epaulette Cluster", because of its position.
> Here is an observation of this IC object with 7x50 binoculars!
>
> http://www.tiac.net/users/lewkaren/netastrocatalog/msg00278.html
>
> Of course, I don't mean to suggest that Mark Wilson misidentified
> his field by 40 degrees! No indeed: What he saw clearly must be
> something else entirely - perhaps M5, or perhaps a comet, or may
> be something else utterly. But it is interesting to note what we
> are usually apt to assume about the more "obscure" deep-sky cata-
> logs like the IC, is not always entirely the case!
>
> Clear skies over Lehigh Acres, Mark, and to all around the globe,
>
> Lew Gramer
Two other easy to observe IC objects are IC 418 in Lepus and IC 1396 in
Cepheus.
Dave Mitsky
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