VisDat
VISDAT is a system for recording and evaluating visual meteor observations. The first version was developed in 1991 by Thomas Rattei and later by Janko F. Richter (both Astroclub Radebeul e.V. Germany). Key features of VISDAT are:
Recording of plottings,reportings, countings
Measurement of meteor positions by ruler, scanner, graphical tablet
Import of X-Y-Coordinates from external ASCII-File
Reporting of visual observations as suggested by IMO
Shower association by IMO standard
Changing the shower association criteria for special analyses (for instance determination of background noise)
Converting reported observations into other formats like POSDAT/VMDB
Archive observations
Browse and edit databases including radiant, observer and site databases
Some evaluations like average ZHRs
Direct access to databases via dBase commands
Support of program RADIANT by Rainer Arlt
(author Janko F. Richter/T. Rattei)