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Re: (IAAC) Obj: NGC 7000 (North America nebula, HV-37, LBN47, Sh2-117) - Inst: 4 1/4" newtonian



Lew,
It was an Astroscan :-)
But in 1980, I sure wasn't an expert observer.
Clear skies,  Sue
----- Original Message -----
From: "Lew Gramer" <dedalus@latrade.com>
To: "Internet Amateur Astronomers Catalog - Discussion"
<netastrocatalog-announce@atmob.org>
Cc: "Geoff Chester" <chester.geoff@usno.navy.mil>; "Lew Gramer (me)"
<dedalus@alum.mit.edu>
Sent: Wednesday, October 03, 2001 6:24 PM
Subject: Re: (IAAC) Obj: NGC 7000 (North America nebula, HV-37, LBN47,
Sh2-117) - Inst: 4 1/4" newtonian
>
> Here is a pair of observations from two different expert observers, which
show a
> marked similiarity in impressions, despite a significant difference in
aperture
> used. With a 4.25" scope, Sue French notes, "Outline, especially Central
America
> region quite clear." And sure enough with a 14.5" telescope Geoff Chester
sees,
> "The most striking feature is the 'Gulf of Mexico', which is like a deep
black
> void with the nebulosity very sharply defined."
>
> Clearly, there is interesting observing to be done with nothing more than
an
> "Astroscan-class" instrument, and a little patience! Clear skies,
>
> Lew Gramer
>
>
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