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Datafiles that are needed for the conversion

1.
APMCAT cmer files eo'nnnn'.sun
2.
APMCAT astrometric calibration files eo'nnnn'.cof
3.
POSS1 catalogue table: poss1.cat; this contains information about the exposure times, seeing, date and time of exposures
4.
poss1_tycho.table; spatial look up table the corrects for systematic errors in positions



Richard McMahon
2001-06-27