Update to Standards - 11/16/98

A new set of secondary standards were derived by Sergei Nikolaev of UMASS for 28 of the 41 calibration fields.
Information regarding how these were derived can be found here and an ascii list can be found here.
Of the thirteen remaining calibration fields, eleven are still in need of secondary standards.

The following documents the process taken at IPAC to adjust the selection of the secondary standards and improve magnitudes and postions where necessary: