The spectral class of the 10.9 star is shown on my display (TheSky) as B9IV. A b-y of 0.33 seems a bit red for such an early star, and I wouldn't expect much reddening that far out of the galactic plane. Any thoughts? Lew --- Brian Skiff <bas@lowell.edu> wrote: (snipped) > I had a chance to make some fairly quick observations of stars > in the XTE 1118+480 field as a check on the zero-point there > Overall the AAVSO preliminary chart is roughly correct, > particularly star "109" = GSC 3451-1612 > > Name V b-y Remarks > XTE 1118+480 12.95 0.06 +/-0.04; 2000 Apr 4.242 UT > HD 98075 7.85 0.65 > GSC 3451-1612 10.96 0.33 +/-0.02 > GSC 3451-0938 12.98 0.63 +/-0.04 > ===== Regards, Lew === Try Lew's instant automatic observation plotter. Copy a list of observations into Autoplot.xls and the observations are automatically plotted. Autoplot.xls (an Excel spreadsheet) is freeware. http://vsnet.geocities.com/lcoo/autoplot.htm __________________________________________________ Do You Yahoo!? Talk to your friends online with Yahoo! Messenger. http://im.yahoo.com