------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 2561 2009 Jun 23 19.25UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074 INTERNET: GUY@TAHQ.DEMON.CO.UK Backup: gmh@wdcc1.bnsc.rl.ac.uk WORLD WIDE WEB http://www.theastronomer.org ------------------------------------------------------------------- COMET P/2009 L2 (YANG-GAO) Revised orbital elements and extended ephemeris(cf TA E-Circular 2558): T 2009 May 21.718 TT q 1.29644 (2000.0) P Q n 0.154870 Peri. 346.920 -0.394234 +0.877254 a 3.43420 Node 259.311 -0.816098 -0.471207 e 0.62249 Incl. 16.183 -0.422568 +0.091600 P 6.36 Ephemeris: Date TT R. A. (2000) Decl. Delta r Elong m1 2009 07 28 18 33.71 +03 59.5 0.573 1.515 143.4 15.6 2009 08 02 18 37.03 +04 15.5 0.619 1.544 140.8 15.8 2009 08 07 18 40.81 +04 19.6 0.667 1.575 138.1 16.1 2009 08 12 18 45.02 +04 14.5 0.718 1.606 135.5 16.3 2009 08 17 18 49.65 +04 02.4 0.772 1.639 132.9 16.6 2009 08 22 18 54.70 +03 45.3 0.829 1.672 130.4 16.8 2009 08 27 19 00.14 +03 24.9 0.888 1.706 127.8 17.1 SUPERNOVA 2009el IN ESO 269-74 Discovery by the CHASE Project of a possible supernova (CBET 1797): SN 2009 UT R.A. (2000.0) Decl. Mag. Offset 2009el May 12.07 13 14 20.47 -46 06 44.9 15.3 - - The object is situated between the pair of interacting galaxies that share the designation ESO 269-74. SUPERNOVA 2009em IN NGC 157 Discovery by Berto Monard, South Africa of a possible supernova (CBET 1798): SN 2009 UT R.A. (2000.0) Decl. Mag. Offset 2009em May 5.13 00 34 44.53 -08 23 57.6 16.6 34 "W,10 "S SUPERNOVA 2009en IN UGC 9515 Discovery by LOSS of a possible supernova (CBET 1799): SN 2009 UT R.A. (2000.0) Decl. Mag. Offset 2009en May 8.41 14 46 22.62 +13 01 27.0 17.6 16.5"E,12.5"N M. L. Graham et. al., Department of Physics and Astronomy, University of Victoria and Dave Balam, Dominion Astrophysical Observatory report that a spectrogram of May 15.29 UT with the 1.82-m Plaskett Telescope, shows it to be a type-Ia supernova several days past maximum light. (CBET 1804) SUPERNOVA 2009eo IN ANONYMOUS GALAXY Discovery by CRTS of a possible supernova (CBET 1801): SN 2009 UT R.A. (2000.0) Decl. Mag. Offset 2009eo May 13.29 14 58 07.99 +02 26 03.3 18.1 17.8"E,15.0"S SUPERNOVA 2009ep IN NGC 5329 Discovery by LOSS of a possible supernova (CBET 1805): SN 2009 UT R.A. (2000.0) Decl. Mag. Offset 2009ep May 11.37 13 52 10.64 +02 19 27.1 15.5 7.8"E, 2.5"S SUPERNOVA 2009eq IN NGC 6686 Discovery by LOSS of a possible supernova (CBET 1805): SN 2009 UT R.A. (2000.0) Decl. Mag. Offset 2009eq May 11.49 18 40 08.30 +40 07 36.5 18.2 14.7"E,39.0"S Guy M Hurst