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- Circular No. 5412
- 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 ZANOTTA-BREWINGTON (1991g1)
- Mauro Zanotta and Howard Brewington have independently reported
- the discovery of a comet. The following observations are available:
-
- 1991 UT R.A. (2000) Decl. m1 Observer
- Dec. 23.76042 20 44.5 +19 10 9 Zanotta
- 23.78473 20 45.0 +19 05 "
- 24.07639 20 45 +19.5 Levy
- 24.12847 20 47 +18.5 10 Brewington
- 24.36146 20 46 44.04 +18 53 06.9 10 Kojima
- 24.36510 20 46 44.71 +18 52 58.7 "
- 24.37222 20 46 46.24 +18 52 55.6 "
- 24.37650 20 46 47.18 +18 52 42.2 "
-
- M. V. Zanotta (Milan, Italy). 0.15-m reflector. Comet diffuse with
- condensation.
- D. H. Levy (Tucson, AZ). 0.4-m reflector. Only a brief confirmation
- of the comet through a gap in the clouds. Position uncertain.
- H. J. Brewington (Cloudcroft, NM). 0.4-m reflector. Comet rather
- diffuse and no longer observable after moonrise.
- T. Kojima (YGCO Chiyoda Station). Communicated by S. Nakano.
-
-
- PERIODIC COMET SHOEMAKER-LEVY 7 (1991d1)
- Continuation to the ephemeris on IAUC 5397:
-
- 1991/92 R. A. (2000) Decl. Delta r Elong. Phase m1
- Dec. 20 3 32.07 +38 28.7 0.801 1.713 147.1 18.2 17.0
- 30 3 39.12 +36 23.8 0.872 1.745 140.2 21.2 17.3
- Jan. 9 3 49.32 +34 30.3 0.959 1.781 132.9 23.8 17.7
- 19 4 02.16 +32 52.5 1.062 1.822 125.8 26.0 18.0
- 29 4 17.00 +31 30.4 1.177 1.865 119.0 27.5 18.4
- Feb. 8 4 33.37 +30 21.7 1.305 1.912 112.4 28.5 18.8
- 18 4 50.86 +29 23.3 1.442 1.961 106.1 29.0 19.2
- 28 5 09.10 +28 31.8 1.589 2.012 100.0 29.0 19.6
- Mar. 9 5 27.85 +27 44.2 1.742 2.066 94.1 28.7 19.9
- 19 5 46.88 +26 57.9 1.901 2.120 88.3 28.0 20.3
-
-
- 1991 December 24 Brian G. Marsden