Re: USNO A2.0 Catalog Source?

Wayne Hixson


On Mar 21, 2020, at 3:53 PM, Greg Hartke <ghartke@...> wrote:

Hey, guys,


FWIW, I had to reload guide star catalogs at the end of 2019 and I contacted Bob Denny directly. At that time, he sent me to the second link Wayne listed below, so I would say Bob’s recommendation on this is current. I could not get the anonymous ftp to work, so I wound up downloading UNSO A2.0 from Painful, but it did work.






From: <> On Behalf Of Worsel via Groups.Io
Sent: Saturday, March 21, 2020 6:47 PM
Subject: Re: [ap-gto] USNO A2.0 Catalog Source?



I believe that USNO A2.0 is not available

Note tht Bob Denny's recommendation to use this catalog is several years old.

Are you seeking a catalog for platesolving to position a mount or for something that is more precise, e.g.astrometry?


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