COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS Number 2442 Konkoly Observatory Budapest 9 December 1983 HU ISSN 0374-0676 PHOTOELECTRIC OBSERVATIONS OF R CrB The ingress into a recent deep minimum of R CrB was observed photoelectrically with the 165 mm Newtonian reflector at Nessa Observatory using standard BV filters. delta CrB (V = 4.63, B-V = +0.80) and SAO 084005 (V=7.45, B-V= +0.44) were used as comparison stars. The observations are given below: Table Photoelectric observations of R CrB J.D.2445000+ V B-V J.D.2445000+ V B-V -------------------------------------------------------------- 454.39 5.65: 539.39 5.86 +0.60 459.38 5.83 546.40 5.84 +0.57 473.42 5.92 547.39 5.86 +0.54 474.40 5.91 555.38 5.92 481.42 5.80: 558.36 5.81 +0.62 486.35 5.80 561.34 5.89 +0.55 488.36 5.87 +0.53 563.36 6.18: 492.36 5.88 564.36 6.23: 494.37 5.78 566.35 6.21 497.46 5.71 572.32 6.75 +0.58 524.46 5.82: 573.33 6.87 527.42 5.83 +0.64 576.31 7.57 +0.60 528.38 5.75 577.33 7.91 +0.56 529.40 5.81 578.33 8.28 +0.54 531.40 5.93 +0.58 579.36 8.75 +0.57 537.39 5.82 +0.54 580.33 9.02 538.40 5.81 +0.60 586.34 9.69: -------------------------------------------------------------- D. BOHME 4851 Nessa No. 11 German Democratic Republic