> The position of the variable star HYAFH=GSC 4900:329 (12.2/0.4) > reported in GCSV in Megastar program > is 09 34 0.9 -06 59 04 (LB Type) 10.0-10.5 p > > Instead, the position in catalog received is > 420172 |FH Hya |093132. -064542:| |LB | 10.0 | > 10.5 |P | | | | |K-M > |00351 08953| > Dear Toni, I think the best way for you is a Pixy System. The software made by Seiichi Yoshida can eximated you own photos finding all knowing and new variables. There's a big pocket of catalogs to this software. But for details you should write to Seiichi. The only problem is converting your pics to FITS images. But I suspect that Seiichi also know something about this... Also please note that you must install JAVA D.K. but I have'nt problems with this on my low-speed (P100) computer. But for images measurment 128MB RAM is recommended (I have 32 :((() PIXY site: http://vsnet.aerith.net/misao/pixy/index.html Best regards, Maciej