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- Circular No. 5421
- 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 or GREEN@CFA.BITNET MARSDEN or GREEN@CFAPS2.SPAN
-
-
- COMET MUELLER (1991h1)
- Further precise positions have been reported as follows:
-
- 1992 UT R.A. (2000) Decl. Observer
- Jan. 1.43038 8 53 23.87 +48 00 34.2 Shoemaker
- 1.46605 8 53 14.48 +48 01 15.8 "
- 2.23370 8 49 41.85 +48 17 15.5 McCrosky
- 2.23774 8 49 40.68 +48 17 20.3 "
-
- E. M. Shoemaker, C. S. Shoemaker and D. H. Levy (Palomar). 0.46-m
- Schmidt. Measurer J. Mueller.
- R. E. McCrosky and C.-Y. Shao (Oak Ridge). 1.5-m reflector + CCD.
-
- Parabolic orbital elements from the eight available observations:
-
- T = 1992 Mar. 21.196 TT Peri. = 307.011
- Node = 288.795 2000.0
- q = 0.19871 AU Incl. = 95.524
-
- 1991/92 R. A. (2000) Decl. Delta r Elong. Phase m1
- Dec. 30 9 03.40 +47 10.2 1.029 1.901 141.8 18.6 15.9
- Jan. 4 8 40.77 +48 53.9 0.913 1.817 146.8 17.3 15.4
- 9 8 08.78 +50 28.8 0.808 1.731 150.1 16.5 14.9
- 14 7 25.04 +51 24.4 0.716 1.643 149.9 17.5 14.4
- 19 6 29.64 +50 49.9 0.642 1.553 144.7 21.5 13.9
- 24 5 28.12 +47 50.4 0.589 1.461 134.8 28.6 13.5
- 29 4 30.11 +42 09.1 0.561 1.366 121.7 37.8 13.1
- Feb. 3 3 42.41 +34 33.4 0.558 1.268 107.2 47.9 12.8
- 8 3 05.92 +26 21.9 0.578 1.167 92.8 57.6 12.5
-
-
- UV PERSEI
- Various reports, initially one from M. Gainsford, Burbage, Leics.,
- England (communicated by G. M. Hurst), show that this object (cf. IAUC 4880)
- is in outburst. Visual magnitude estimates: 1991 Dec. 15.82 UT, [13.9
- (P. Schmeer, Bischmisheim, Germany); 22.80, 13.0 (Gainsford); 22.82, 12.3
- (G. Poyner, Birmingham, England); 23.82, 12.8 (G. M. Hurst, Basingstoke,
- England); 24.73, 12.3 (M. Verdenet, Bourbon-Lancy, France); 25.86, 12.2
- (Verdenet); 27.96, 12.6 (Schmeer); 28.85, 12.6 (Schmeer).
-
-
- 1992 January 2 Brian G. Marsden