COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS Number 2680 Konkoly Observatory Budapest 6 March 1985 HU ISSN 0374 - 0676 AUTOMATIC PHOTOELECTRIC TELESCOPE: SECOND AND THIRD QUARTER 1984 OBSERVATIONS The automatic photoelectric telescope at Fairborn Observatory West in Phoenix, Arizona has been in operation since October 1983. Observations for the fourth quarter of 1983 were summarized by Boyd et al. (1984a) and are available as file no. 131 in the I.A.U. Commission 27 Archive for Unpublished Observations of Variable Stars (Breger 1982). Observations for the first quarter of 1984 were summarized by Boyd et al. (1984b) and are available as file no. 136 in the Archive mentioned above. In this brief note we summarize the observations from the second and third quarters of 1984, which are available as file no. 137 in the Archive. The second and third quarters were combined as a single file because shorter night time hours and poor weather limited the amount of data obtained in the second quarter and because an equipment malfunction ruined most of the data in the third quarter. Table I lists the 83 groups in the program. The first column is the group number. The second is the group name. The last two give the number of observations obtained during each quarter. No data were obtained for four of the groups, which were below the horizon. During the second quarter of 1984, 1430 group observations were made. Since each group observation consisted of a sequence of 33 different 10- second observations, there was a total of 47190 observations. During the third quarter there were 221 group observations and thus a total of 7293 individual observations. The sequence of UBV observations within a group, the extinction and transformation coefficients used in the reduction, and other particulars about the acquisition, reduction, and presentation of the data have been given already by Boyd et al. (1984a). LOUIS J. BOYD RUSSELL M. GENET DOUGLAS S. HALL Fairborn Observatory West Fairborn Observatory East Dyer Observatory 629 North 30th Street 1247 Folk Road Vanderbilt University Phoenix, Arizona 85008 Fairborn, Ohio 45324 Nashville, Tennessee 37235 References: Breger, M., 1982, I.B.V.S. No. 2246. Boyd, L.J., Genet, R.M., and Hall, D.S., 1984a, I.B.V.S. No. 2511. Boyd, L.J., Genet, R.M., and Hall, D.S., 1984b, I.B.V.S. No. 2561. Table I The 83 Groups on the Second and Third Quarter 1984 Observing Program -------------------------------------------------------------------- no. name 2nd 3rd no. name 2nd 3rd -------------------------------------------------------------------- 1 lambda And 0 4 41 HD 8357 0 3 2 39 AY Cet 0 4 42 HR 454 0 5 3 sigma Gem 29 2 43 HR 1362 0 5 4 V711 Tau 0 5 44 HD 37824 4 4 5 27 & 28 LMi 68 0 45 HR 3337 21 0 6 HR 9024 0 4 46 HD 116204 57 0 7 HR 7428 44 4 47 theta CrB 62 1 8 IM Peg 0 4 48 iota Peg 23 3 9 HR 7275 44 3 49 HD 217188 0 4 10 HR 6469 96 4 50 HD 219989 0 4 11 DK Dra 26 0 51 beta Lyr 49 4 12 R Sct 50 3 52 V367 Cyg 2 4 13 12 BM Cam 3 2 53 zeta Aur 2 2 14 33 Psc 0 4 54 31 Cyg 15 4 15 5 Cet 0 4 55 32 Cyg 24 4 16 UX Ari 0 3 56 HD 25893 0 3 17 59 d Ser 53 3 57 HD 28591 0 2 18 FS Com 66 0 58 HD 136901 63 0 19 HK Lac 15 4 59 HD 9312 0 3 20 AR Lac 13 4 60 HR 503 0 5 21 29 Dra 6 0 61 3 Cam 1 2 22 54 Cam 37 2 62 HR 1970 0 3 23 51 & 52 Aur 15 2 63 1 Gem 5 2 24 CE Tau 4 2 64 HR 4430 74 0 25 TV Psc 0 4 65 HR 6950 50 4 26 RZ Ari 0 3 66 HR 7260 49 4 27 rho Per 0 3 67 81 Psc 0 3 28 IN Hya 25 0 68 11 Hya 32 0 29 epsilon Aur 3 2 69 31 Com 22 0 30 zeta And 0 3 70 37 Com 16 0 31 13 Cet 0 3 71 HR 1023 0 4 32 TZ CrB 46 2 72 gamma Cas 0 4 33 omicron Dra 45 4 73 HD 22403 0 3 34 V350 Lac 8 4 74 HD 31738 0 3 35 93 Leo 77 0 75 HD 82558 0 0 36 II Peg 0 3 76 HD 91816 0 0 37 TZ Tri 0 4 77 HD 108078 0 0 38 53xi UMa (B)67 0 78 HD 165590 0 3 39 BH CVn 19 0 79 HD 166181 0 4 40 HD 26337 0 5 80 HD 178450 0 4 81 HD 212280 0 0 82 HD 218153 0 5 83 HD 222317 0 6 ------------------------------------------------------------------- [DATAFILE 2]