Re: Orthography of V-numbered variable stars? >Incidentally, I see that the GCVS uses three formats : >V999 Sgr in volumes 1-3; (no space) >V 999 Sgr in vol. 4 (with space) >V0999 --- in vol. 5 & most recent namelist I'm not sure about which namelist you are referring to, but the 75th namelist uses the consistently first format (V999 Sgr). I believe this is the nominal standard of the GCVS. The others are simply from computational limitations. [One may remember the first computerized version of the GCVS only used upper case roman letters, because Russian letters were allocated instead of lower case roman letters]. Regards, Taichi Kato