COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS Number 3175 Konkoly Observatory Budapest 13 April 1988 HU ISSN 0374-0676 V PHOTOMETRY OF SUPERNOVA 1987A Further to the observations of Supernova 1987A previously reported by Jarrett (1987) photometry has continued at Boyden as occasion permitted. The measurements are tabulated below and represented in Figure 1. Julian Date V Julian Date V (add 2446000.000) (add 2447000.000) 941.403 3.00 029.479 5.10 943.323 3.05 030.479 5.00 944.396 3.10 031.469 5.20 945.392 3.10 032.458 5.20 946.299 3.10 034.458 5.10 948.361 3.15 035.500 5.00 949.330 3.20 039.465 5.20 952.368 3.25 052.500 5.30 953.264 3.30 053.427 5.35 954.372 3.35 054.462 5.10 955.330 3.38 055.493 5.20 956.292 3.40 056.438 5.20 957.302 3.45 057.382 5.30 962.285 3.65 059.479 5.30 965.313 3.80 062.448 5.60 966.299 3.80 063.465 5.40 969.323 3.90 069.479 5.50 970.309 4.00 073.472 5.60 971.323 4.10 080.438 5.60 974.323 4.15 083.451 5.60 976.365 4.30 091.448 5.70 978.316 4.40 092.458 5.70 981.285 4.45 114.490 6.00 983.372 4.45 124.486 6.10 984.313 4.50 125.448 6.00 985.326 4.50 126,500 6.00 138.486 6.00 139.438 6.20 140.448 6.20 142.465 6.20 153.448 6.30 [FIGURE 1] After the virtually continuous rise in V monitored over the interval JD2446853 to JD2446920 (Jarrett, 1987) it is interesting to note the sharp decline from 3.0m to 4.4m over the period JD2446941 to JD2446978. Thereafter there has been a steady decline of 0m01 per day throughout the remainder of the monitoring period. A.H. JARRETT Boyden Observatory University of The Orange Free State Bloemfontein Republic of South Africa Reference: Jarrett, A.H., 1987, IBVS, No. 3076.