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IAUC 5669: COMPTON GAMMA RAY OBSERVATORY SCHEDULE; (2060); N LMC 1992; 1992z

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                                                  Circular No. 5669
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Telephone 617-495-7244/7440/7444 (for emergency use only)
TWX 710-320-6842 ASTROGRAM CAM     EASYLINK 62794505
MARSDEN@CFA or GREEN@CFA (.SPAN, .BITNET or .HARVARD.EDU)


COMPTON GAMMA RAY OBSERVATORY SCHEDULE
     N. Gehrels, Goddard Space Flight Center, NASA, on behalf of
the Compton Gamma Ray Observatory science team, reports the following
observing schedule as of Nov. 24 for Phase 2 of the mission
(listed are starting dates and OSSE primary and secondary targets):
1992 Nov. 17, Her X-1, galactic plane (GP); Nov. 24, Her X-1,
galactic center (GC); Dec. 1, 8, and 15, Cyg X-1, GC; Dec. 22 and 29,
and 1993 Jan. 5, 3C 273, GP; Jan. 12, IC 4329A, PSR 1822-09; Feb. 2,
NGC 4507, NGC 6814; Feb. 9, 2CG 010-31, 3C 390.3; Feb. 22, 1E 1740-
2942, MCG -2-58-22; Feb. 25, 4U 0115+634, 47 Tuc; Mar. 9, WR 140,
NGC 7314; Mar. 23, Crab pulsar, Mrk 509; Mar. 29, 1E 1740-2942, MCG
-2-58-22; Apr. 1, Cen A, SN 1987A; Apr. 20, NGC 4151, MCG +8-11-11;
May 4, 1E 1740-2942, MCG -2-58-22; May 7, SMC X-1, 3C 120; May 13,
Crab pulsar, PSR 1951+32; May 25, NGC 4151, MCG +8-11-11; May 31,
1E 1740-2942, Cyg X-3; June 3, SMC X-1, 3C 120; June 15, GP, empty
space; June 22, GP, Coma cluster; June 29 and July 8, GC, Coma
cluster; July 13, Vela pulsar, Mrk 78; July 27, NGC 6814, NGC 4507;
Aug. 3, QSO 1028+313, PSR 0740-28; Aug. 20, 1E 1740-2942, 3C 279.
If planning coordinated observations, please contact E. Chipman (e-
mail chipman@grossc.gsfc.nasa.gov or grossc::chipman; phone 301-
286-7764; Code 668.1, NASA/GSFC, Greenbelt, MD 20771, USA).


(2060) CHIRON
     S. Larson and R. Marcialis, Lunar and Planetary Laboratory,
obtained Cousins red CCD images of (2060) Chiron with the Steward
Observatory 2.3-m telescope on Nov. 30.4 UT that showed a well-
developed tail at least 50" long (possibly off the field at 80") at
p.a. 288 deg.


NOVA IN THE LARGE MAGELLANIC CLOUD 1992
     Additional photometry by A. C. Gilmore at Mt. John (cf. IAUC
5661): Nov. 27.55 UT, V = 13.06 +/- 0.02, U-B = -0.72 +/- 0.04, B-V
= +0.02 +/- 0.02, V-R = +0.92 +/- 0.01 (reference star CPD -65 433).


PERIODIC COMET KOJIMA (1992z)
     Corrigendum.  On IAUC 5667, line 4, for  = -0.05 day  read
< abs(0.01) day


1992 December 5                (5669)            Daniel W. E. Green

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