I have updated on my website a revised sequence for SN 1999cp. http://vsnet.astro.washington.edu/kevin/apo.html I include this comment: V and B-V for stars 1, 2, 7, and 8 are the average of one night's calibration by Arne Henden (USNO 1-m) and one night's data by Kevin Krisciunas (APO 3.5-m). V-R and V-I colors for stars 1, 2, 7, and 8 are from APO observations. V-R and V-I colors for stars 3, 4, 5, and 6 are from MRO 0.76-m data at high air mass (X = 2.5 to 2.8). V and B-V for stars 3, 4, 5, and 6 are by Henden. Henden's data and the APO data were taken between 1.5 and 1.6 airmasses. Kevin