Circular No. 5923
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)


GRO J0422+32
     P. Zhao, P. Callanan, M. Garcia, and J. McClintock, Smithson-
ian Astrophysical Observatory, report additional photometry (cf.
IAUC 5907):  1993 Dec. 16.09 UT, R = 14.89, V = 15.18; 23.30,
15.45, -; 1994 Jan. 4.15, 18.03, 18.76; 4.40, 18.19, -; 5.09,
18.76, -; 5.41, 19.13, -; 6.17, 18.88, 19.52; 6.35, 18.59, 19.00;
7.26, 17.77, 18.10; 8.31, 17.31, 17.68; 9.20, 17.00, 17.39; 10.29,
17.12, -; 11.29, 17.25, -; 12.29, 17.53, -; 13.29, 18.02, -; 14.16,
18.40, 19.11; 16.17, 17.97, 18.32; 17.13, 17.89, 18.40.  During the
past month, maxima have occurred on Dec. 10 and Jan. 9 and 16, with
minima on Jan. 5 and 14; each cycle is shorter and has a smaller
amplitude.


1994 January 19                (5923)            Daniel W. E. Green