THE ASTRONOMER Electronic Circular No 316 1989 Jul 07 17.50UT.
Telecom Gold 72:MAG60138 JANET:GMH at UK.AC.RO-GREENWICH.STARLINK
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.
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P/COMET BRORSEN-METCALF (1989o)
E.Helin, Palomar, reports recovery of this comet:
1989UT July 4.38333UT 0h24m17.18s +11 11 21.2 m1=15.0
4.40677 0 24 21.79 +11 12 17.2 IAUC 4804
A.Hale, Las Cruces, NM, using 0.41-m refl., estimated m1=11.5 on
July 7.41UT.
Brian Marsden computes the following elements with 1919-1989
linkage:
Epoch = 1989 Oct. 1.0ET
T=1989 Sept.11.9395ET Peri=129.6256
e=0.971970 Node=310.8761 (1950)
q=0.478748AU Incl= 19.3306
a=17.079716 AU n=0.0139631 P = 70.586 years
Ephemeris with mag values by Morris (which are very uncertain):
1989 ET RA (1950) DEC Earth Sun m1
July 3 00h19.93m +10 20.3 1.102 1.523 10.9
8 00 36.60 +13 35.3
13 00 56.48 +17 21.2 0.901 1.362 10.0
18 01 20.83 +21 41.3
23 01 51.43 +26 34.1 0.739 1.196 9.0
28 02 30.54 +31 45.8 IAUC 4805
P/COMET GEHRELS 2 (1989n)
J.Gibson reports recovery of this comet with the 1.5-m refl. at
Palomar on June 14 at m1=19 and close to predictions on MPC12124.
IAUC 4800
SUPERNOVA 1989M IN NGC 4579
G.N.Kimeridze (USSR) reports discovery of a supernova in NGC 4579
(RA 12h35.1m DEC +12 05',1950 =M58). On June 28.82UT mpv=12.2 and
the object is 40"W and 33"N of the nucleus. IAUC 4802
Guy M Hurst