Re: [APML] M35 (exposure times)

["Bert Katzung" <katzung1@attbi.com>]

Hi Geoff:
So don't you think the 352.8 trillion ly is correct, rather than the
skyAtlas' 60? Not a big point (pun) of course, I just like things to be
consistent <G>. Remarkable shot for 100 ISO unhypered!
Bert

Bert Katzung
katzung1@attbi.com
www.astronomy-images.com

----- Original Message -----
From: <astropix@att.net>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Sunday, May 25, 2003 6:42 PM
Subject: Re: [APML] M35 (exposure times)


> Thanks Bert !!!
>
>      The Fuji SHQ was *un-hypered*... still haven't put together that
hyper kit
> we once talked about. The distance and dimensions of ngc7000 were quoted
from
> skyAtlas 2000 Companion, second edition, page 210. The distance of a
single
> light year (5.88 trillion miles) came from a college level 'Astronomy 101'
> text... 'Discovering The Universe' third edition, by William J. Kaufmann.
> Assuming the above is correct, N.A. Nebula extends 352.8 *trillion* miles
> across!
>
>      The college text book was a gift from Chris Depree, physics and
astronomy
> professor at Atlanta's Agnes Scott College... and co-author of 'Astronomy
for
> Dummies'! The observatory there got a complete remodel a few years ago...
new
> planetarium and all... the book was a pre-repair house cleaning gift. It
was a
> sample sent from the publisher, complete with CDrom and instructors
guide...
> and has been an invaluable source of inspiration and understanding for
me...
> even though Chris decided not to use it in his class!
>
>  Geoff
>
> --
> http://home.att.net/~astropix/
>
>
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