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Data base routines


Create (if non-existent) or update observation data base catalogs/npoi/obsbase as a database of star tables from .con or .cha files. File specification can be either through a string array or or a single wildcard, e.g. files $=$ '*.cha'. You have to have write permission to this data base file.
Print to screen or return list of stars contained in data base.
Print to screen or return list of nights contained in data base.
obsdates,star$<$_char$>$[,dates, scans]
Print to screen or return list of dates and number of scans when star was observed.

Christian Hummel 2017-06-29