Re: (IAAC) Re: (SNES) How Bright are the Galaxies - Really?

• To: Internet Amateur Astronomers Catalog - Discussion <netastrocatalog-announce@atmob.org>
• Subject: Re: (IAAC) Re: (SNES) How Bright are the Galaxies - Really?
• From: Lew Gramer <dedalus@latrade.com>
• Date: Thu, 06 Dec 2001 23:00:55 -0500
• Cc: snegazers@brainiac.com
• Delivered-To: netastrocatalog-announce-mhonarc@atmob.org
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• In-Reply-To: Your message of "Thu, 06 Dec 2001 22:26:43 EST." <006301c17ecf$09c32ac0$63f44242@nycap.rr.com>
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• Sender: owner-netastrocatalog-announce@atmob.org

>When looking for visual magnitudes, you want the V(V_T) value.
>If you want to compare the visibility of extended objects,
>compare their m'25v values.

Concise and helpful as ever, Sue. :)

By the way, in the reference I cited, I also noticed the other
(considerably brighter) magnitude "V(V_T^0)" being quoted. How
is this value derived, and does it have any uses for amateurs?

Just a curious question. Clear skies,
Lew


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• Re: (IAAC) Re: (SNES) How Bright are the Galaxies - Really?
• From: "Sue French" <scfrench@nycap.rr.com>

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