To make a plot

Select one photometric system,

Select two parameters,

Select one data source,

Click on "Plot CMD".

Click on "Get parameter".

Select parameters for the Isochrones,

Click on "Plot iso".

HELP | Navigation | Cluster page

System	Parameters	Data sources (Number of stars)

UBV	V B-V U-B	8 ( 50) 129 ( 8) 475 ( 43)
UBV CCD	V B-V U-B	121 ( 369)
VRIc CCD	V V-R R-I	496 ( 99)
VIc CCD	V V-I	496 ( 105)
UBV pg	V B-V U-B	113 ( 776) 237 ( 354)
BV-ASCC	V B-V	2 ( 86)