NAME:
     getcolor
 PURPOSE: (one line)
     Given a list of names and JD, return B-V and V-R colors.
 DESCRIPTION:
 CATEGORY:
     Photometry
 CALLING SEQUENCE:
     getcolor,stand,filler,bmv,vmr
 INPUTS:
     stand    - Standard object name (scalar string or string array).
     filler   - Color values to insert if object not in star catalogs.
 OPTIONAL INPUT PARAMETERS:
 KEYWORD INPUT PARAMETERS:
     LAND1   - Optional name for the Landolt 1983 Standards Catalog.
     LAND2   - Optional name for the Landolt 1992 Standards Catalog.
     PRICAT  - Name of private star catalog file for X star catalog.
                 Default = 'private.cat'  in current directory.
 OUTPUTS:
     bmv  - Catalog B-V color of object.
     vmr  - Catalog V-R color of object.
 KEYWORD OUTPUT PARAMETERS:
 COMMON BLOCKS:
 SIDE EFFECTS:
 RESTRICTIONS:
 PROCEDURE:
 MODIFICATION HISTORY:
    93/10/12 - Written by Marc W. Buie, Lowell Observatory