FUNCTION  fIAUNameVMC

Convert ra, dec in degrees to extended IAU name for the VMC.

Will create a 23 char IAU name as VMC Jhhmmss.ss+ddmmss.s
Calls dbo.fIAUNAME with VMC as survey.
Example usages:

SELECT dbo.fIAUNameVMC(182.25, -12.5)
=> UVMC J120900.00-123000.0

SELECT top 10 dbo.fIAUNameVMC(ra,dec),sourceID FROM vmcSource

NameTypeLengthinoutpnum
@rafloat8input1
@decfloat8input2
 varchar25output1