COMMISSION 27 OF THE I.A.U. INFORMATION BULLETIN ON VARIABLE STARS Number 2962 Konkoly Observatory Budapest 4 December 1986 HU ISSN 0374 - 0676 PHOTOELECTRIC OBSERVATIONS OF R CrB The star R CrB was observed photoelectrically with the 250/3250 Cassegrain telescope and an EMI 9781 B PMT at Nessa Observatory using standard UBV filters. delta CrB (V = 4.63m, B-V = 0.80m, U-B = 0.37m) and SAO 084005 (V=7.45m, B-V = 0.44m, U-B = 0.02m) were used as comparison stars. These observations are the continuation of those published in IBVS No. 2835. The observations are listed in the following table. Table Photoelectric observations of R CrB J.D.2446000+ V B-V U-B 534.333 6.18 +0.73 535.335 6.18 +0.64 550.417 6.12 +0.63 552.404 6.07 +0.60 +0.26 553.440 6.03 +0.56 +0.17 554.418 6.02 +0.62 +0.13 563.396 5.97 +0.63 +0.13 576.425 5.90 +0.52 577.408 5.85 +0.63 +0.01 591.404 5.78 +0.58 592.413 5.79 +0.58 597.379 5.79 +0.62 604.413 5.87 +0.58 +0.14 605.379 5.88 +0.64 608.425 5.86 +0.55 +0.17 611.400 5.88 +0.58 +0.13 614.392 5.88 +0.68 639.363 5.92 +0.48 642.342 5.90 +0.63 646.371 5.83 +0.60 648.367 5.81 +0.64 649.363 5.80 +0.61 660.383 5.89 +0.62 663.367 5.87 668.354 5.98 +0.58 677.313 5.95 679.313 5.92 +0.58 692.283 5.83 +0.53 693.292 5.81 698.275 5.86 699.296 5.84 +0.51 705.271 5.82 +0.53 708.273 5.73 +0.52 709.271 5.81 +0.50 714.263 5,80 716.279 5.85 +0.58 718.250 5.79 +0.57 721.238 5.75 +0.60 D. BÖHME 4851 Nessa No. 11 German Democratic Republic