THE ASTRONOMER Electronic Circular No 133 1988 Mar 13 11.51UT. 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. ------------------------------------------------------------------- TA E-CIRCULAR 131 As a result of a direct relay of a message received from Australia the normal format of our circulars was corrupted in the case of E-131. The text is retransmitted below for the sake of completeness but Rob McNaught advised us at the last moment that revised predictions showed the event would not be visible from the UK. OCCULTATION OF AGK3 +06 1290 BY 10 HYGIEA ON March 8.0253UT Rob McNaught e-mails: "This occultation has been predicted by the Lowell group. Details as follows: Star m 10.7 RA 10h11m14.192 Dec +06d19'15".30 (1950) Ast m 10.5 diam 443 km Max duration 36 secs. Istar/(Istar+Iast)=0.45 (approx 0.6mag drop?) Although not an easy occultation, the nominal path crosses the whole of Ireland, Wales, Southern England, Belgium, France, Italy and Greece. Should any UK astrometrist be interested the following ephemeris is provided: March 5.0UT RA 10h13m29.86 Dec +06d07'30.2 (1950) March 7.0 10 11 59.34 +06 15 20.6 Astrometry should be done on both the asteroid and the star to be occulted. The star to be occulted should NOT be used in the reduction. E-mail astrometry to me and I shall reply e-mail with the update, in addition to passing the measures on to Bob Millis, the chairman of IAU Commission 20 Working Group on Occultations." SUPERNOVA 1988H IN NGC 5878 A.V.Filippenko et al, University of California report that a spectrogram shows this supernova to be a type-II, probably a few weeks past maximum. IAUC 4561 V635 CAS The possible optical outburst of this object was mentioned on E-128. G.Henson et al, Pine Mountain Observatory, University of Oregon, have reported that the object has brightened from V=14.3 on 1987 Nov 22 to V=13.5 on 1988 Feb 27. This star is in URGENT need of attention and I would be grateful if photographs of the field could be sent to me as soon as possible. IAUC 4561 SUPERNOVA 1988G IN ANON GALAXY The offsets of this object given on E-132 have been revised. For 6.7"E read 6.7" W. IAUC 4561 COMET MAURY-PHINNEY (1988c) Improved orbital elements: T=1987 Dec 26.792 ET Peri= 346.834 Node= 146.821 1950.0 q=1.93055 AU Incl= 93.163 The object is currently fading below mag 18. IAUC 4562 Guy M Hurst