THE ASTRONOMER Electronic Circular No 761 1993 July 27 20.05UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP,England. Telephone/FAX(0256)471074 Int:+44256471074 TELEX: 9312111261 Answerback: TA G TELECOM GOLD: 10074:MIK2885 GMH at UK.AC.RUTHERFORD.STARLINK.ASTROPHYSICS STARLINK: RLSAC::GMH GMH at UK.AC.CAM.ASTRONOMY.STARLINK STARLINK: CAVAD::GMH ------------------------------------------------------------------- S 10930 IN LYRA W.Wenzel, Sonneberg, Germany reports his discovery of an uncatalogued probable U-Gem type variable in Lyra and located at: RA 18h59m58s DEC +42 50.4' [1950]. 10 outbursts have been detected on 597 exposures obtained between 1963 and 1992 with various astrographs at Sonneberg with the maximum 13.2mpg. On the Palomar Sky Survey the star is not conspicuously coloured and is of about magnitude 18.0. An e-chart is provided below but the sequence should be treated with extreme caution as it is based on the Guide Star Catalog only. Identification is from IBVS 3883 where the discovery was announced. Observations with FULL estimates should be communicated to the Editor until more is known about the star and comments on the sequence would also be welcomed. \\\\\\S10930 c Found by W.Wenzel S,120,10,S -C,19.0256, 42.9131,2000 P,19h 00.0m +42 50' (1950) O,61,60,13.2,18.0pg -T,Presumed U-Gem type -S,TA930727 R,9.55,60,62,A R,11.33,84,75,B R,12.40,56,71,C R,12.96,70,61,D R,13.69,51,59,E M,8,108,31 M,9,104,52 M,10,74,32,24,105,116,82 M,11,46,88,28,107,81,16,74,31,113,103 M,12,28,29,50,29,76,23,79,32,21,109,15,33,99,30 M,12,115,113,80,99 M,13,29,88,99,60,115,29,63,28,44,78,40,12 M,13,116,76,71,57,89,102,95,90,64,43,53,75,50,112 M,13,54,56,92,82,102,78,85,49,79,54,87,42,34,21 M,13,37,46,16,109,79,89 M,14,116,8,43,96,34,20,26,62,48,30,55,15,22,67 M,14,30,78,27,35,4,55,78,90,64,61,93,90,103,92 M,14,96,112,24,101,64,99,114,38,21,114,86,44 M,15,29,20,22,22,29,20,65,61 E,72 ////// Basic chart automatically generated by GSC2FIND ver 1.4