s.kranz1@comcast.net Feb 25, 2009
----- Original Message -----
From: "Bill J Gray" <pluto@...>
To: guide-user@yahoogroups.com
Sent: Tuesday, February 24, 2009 8:38:08 PM GMT -06:00 US/Canada Central
Subject: [guide-user] Re: MAC galaxies
Hi Stuart,
PGC and LEDA aren't quite the same thing.
The first Guide disk has the smaller PGC catalog; the second
disk has the million-galaxy catalog. (Though some have suggested
to me that they think it's a million objects, most but not all of
which are galaxies.)
If you put the second Guide disk into the CD-ROM, you can use
Extras... Toggle User-Added Datasets, then turn the "LEDA Million
Galaxies" dataset on.
As has been mentioned elsewhere, the Mitchell catalogue is still
proprietary, which has greatly limited its use anywhere except in
Megastar.
-- Bill
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