Central Bureau for Astronomical Telegrams
IAUC 4919: 1989c1; EXTRAGALACTIC H I CLOUD IN Vir; 1989v; 1989p
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Read IAUC 4920
Circular No. 4919
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 AUSTIN (1989c1)
Rodney R. D. Austin reports his discovery of a comet. The
following positions are available:
1989 UT R.A. (1950) Decl. m1 Observer
Dec. 6.6 0 48 -62 11 Austin
6.72153 0 51 58.85 -62 11 21.5 11 Birch
6.78403 0 51 53.42 -62 10 13.9 "
R. R. D. Austin (New Plymouth, New Zealand). Comet diffuse.
P. V. Birch (Perth). Comet diffuse without condensation.
EXTRAGALACTIC H I CLOUD IN VIRGO
S. Djorgovski, California Institute of Technology, reports:
"A spectrum has been obtained at the Las Campanas 2.54-m Du Pont
telescope of the previously proposed optical counterpart of an
extragalactic H I cloud discovered in the Virgo cluster by
Giovanelli and Haynes (1989, Ap.J. 346, L5). The optical object
shows Balmer and [O III] emission lines typical of a starburst
dwarf, at a redshift of 1350 +/- 100 km/s, thus confirming the
identification. The presence of the oxygen lines indicates that
some chemical evolution has already taken place, although the
object could still be very young."
COMET HELIN-ROMAN-ALU (1989v)
Total visual magnitude estimates (cf. IAUC 4908): Nov. 22.02
UT, 10.4 (G. Kronk, Troy, IL, 0.33-m reflector); 22.73, 9.9 (H.
Dahle, Oslo, Norway, 0.20-m reflector); 25.14, 10.7 (C. S. Morris,
Pine Mountain Club, CA, 0.26-m reflector); 27.01, 10.5 (J. E. Bortle,
Stormville, NY, 0.32-m reflector); 29.76, 10.3 (J.-C. Merlin, Le
Creusot, France, 0.15-m reflector); Dec. 1.17, 10.0 (A. Hale, Las
Cruces, NM, 0.41-m reflector); 2.82, 10.0 (A. Pereira, Cabo da Roca,
Portugal, 0.15-m reflector); 4.02, 10.3 (Kronk).
PERIODIC COMET LOVAS 1 (1989p)
Total visual magnitude estimates (cf. IAUC 4900): Nov. 8.49 UT,
13.0 (Hale); 19.26, 13.3 (Morris); 30.35, 12.7 (Hale); Dec. 5.49,
12.8 (Hale).
1989 December 6 (4919) Daniel W. E. Green
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