NGC 3645

From: Bob Czerwinski (bczerwin@No-Spam)
Date: Mon Feb 24 2003 - 12:12:10 MST

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    I wrote:
    > Is 3645 just extremely tiny and dim, and did I just
    > miss this thing? Has anybody else logged NGC 3645
    > before?

    Next time, before I go asking questions, I'll just check the TAC
    archives!

    Turns out Mark Wagner ran into the same problem with NGC 3645 in June
    2001, and Steve Gottlieb responded with the answer: "There's a good
    reason you didn't find NGC 3645. It doesn't exist! This is one one of
    those interesting NGC mysteries (at least to me) that has been
    investigated in detail. Here is a summary from the NGC/IC site
    http://www.ngcic.com/, but the bottom line is that NGC 3645 is a
    duplicate of NGC 3630. [snip...]"

    Turns out that _TheSky_ incorrectly identifies CGCG 039-143 (mag 15.5p)
    as NGC 3645.

    Hey, are these TAC archives great or what! And to Steve and Mark:
    Thanks for doing my homework for me ... 18-months ago! ;^)

    ...Bob...
    Bob Czerwinski

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