Dataset T Photometric correction

[Andrew Bennett <andrew.bennett@ns.sympatico.ca>]

Reposted as the original post did not make it back to me
on the TASS list.
Apologies for duplication.
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I just put up the latest revisions at
http://www3.ns.sympatico.ca/andrew.bennett/tass/datasett.html

After correction, the probable error is well below
twice the theoretical value: a good start.

Welch-Stetson statistics now find more GCVS variables
and fewer bogus variables than before.

There are still problems ...

Andrew Bennett, Avondale Vineyard