NGC 1664
Fundamental
Coordinates J2000
Coordinates B1950
Positions
Photometry
UBV
uvby
uvby mean
ß data
Geneva 7-col
Geneva
Vilnius
DDO data
UBV pg
RGU data
Spectroscopy
MK types
MK selected
HD types
Mean Vr
Radial Velocity
Miscellanous
Membership