THE ASTRONOMER Electronic Circular No 41 1987 Jul 25 09.46UT. Telecom Gold 72:MAG60138 Ed:Guy M Hurst, 16, Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP, England. Telephone:(0256)471074.Int:+44256471074 Telex:265871(MONREF G) Quote"72:MAG60138 ATT G.HURST"in FIRST line. ------------------------------------------------------------------- P/Comet Reinmuth 1 (1987r) T.Gehrels and J.V.Scotti, University of Arizona, report that they have recovered this comet with the 0.91-m SPACEWATCH telescope on July 22/23 at m1=19.6. The positions are close to predictions on MPC 10524 and 11864. (IAUC 4424) P/Comet Encke Robert McNaught, Siding Spring Observatory, Australia, e-mails that this comet is now under observation: 1987 July 21.25UT, 5.2 (G.W.Wolf, Wellington, New Zealand, 7x50B); 24.35, 7.1 (G.Garradd, Tamworth, N.S.W 0.15-m refl.); 24.36, 6.9 (R.H.McNaught, 9x63B). He adds that both he and Garradd independently estimated a coma diameter of 1' and DC of 8, the comet appearing as a small condensed disc. He mentions that the comet is readily visible in the evening twilight from his location, but is expected to fade as it moves into a darker sky making visual observation more difficult. This apparition is almost solely visible from the southern hemisphere. (Part of the above also appears in IAUC 4425). Aurorae/Noctilucent Clouds Would contributors of observations relating to the above please note that urgent news can be telephoned to the TA sub-editor for this section, Dave Gavine whose telephone number is 031657 2338. Please send a copy to MAG60138. Guy M Hurst