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IAUC 3213: N Sgr 1978 = IRC -20494 = V3876 Sgr; 1978a; 1977 VA

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                                                  Circular No. 3213
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Cable Address: SATELLITES, NEWYORK     Telex: 921428
Telephone: (617) 864-5758


NOVA SAGITTARII 1978 = IRC -20494 = V3876 SAGITTARII
     R. D. Gehrz, G. L. Grasdalen, J. A. Hackwell and D. McClain,
Department of Physics and Astronomy, University of Wyoming, point
out that this 'nova' is certainly identical with IRC -20494, for
which they have determined (using the 234-cm Wyoming Infrared Telescope)
the position R.A. = 18h30m14s.9 +/- 0s.2, Decl. = -20o08'11" +/- 3"
(equinox 1950.0).  Infrared observations on Apr. 20.46 UT gave the
following magnitudes: 2.3 um, 2.46; 3.6 um, 1.90; 4.9 um, 1.84; 8.6 um,
1.47; 10 um, 1.11; 11.4 um, 0.80; 12.6 um, 0.75; 19.5 um, 0.70.

     C. B. Stephenson, Warner and Swasey Observatory, informs us
that IRC -20494 is identical with the long-period variable V3876
Sgr (cf. Third Supplement to GCVS; Hoffleit 1972, Inf. Bull.
Variable Stars No. 729; Stephenson and Sanduleak 1976, ibid. No. 1213).


COMET WEST (1978a)
     The following precise positions have been reported:

     1978 UT             R. A. (1950) Decl.        m1    Observer
     Jan. 19.86319    14 31 22.21   -12 57 48.0   16     Seki
     Mar. 10.62529    14 19 28.00   - 6 23 54.2   15.5   Urata
          12.69621    14 18 17.98   - 6 02 34.2   15.5     "
          12.71979    14 18 16.92   - 6 02 20.3   16     Seki
          15.13403    14 16 51.98   - 5 37 04.4          Barbier
          24.70799    14 10 40.21   - 3 53 29.7   16     Seki

T. Seki (Geisei).  From Orient. Astron. Assoc. Comet Bull. No. 163.
   The Jan. 19 position is a revision of that on IAUC 3178.
T. Urata (JCPM Yakiimo Station). From Nihondaira Obs. Circ. No. 961.
R. Barbier (Haute Provence Observatory).  CNRS-Liege Schmidt.


1977 VA
     The following precise positions have been measured by J. H.
Bulger from plates taken by R. E. McCrosky with the 155-cm reflector
at the Harvard College Observatory's Agassiz Station:

     1978 UT             R. A. (1950) Decl.
     Dec.  8.15050     3 41 29.28   +11 54 03.0
          12.17731     3 49 10.93   +11 59 53.7


1978 April 21                  (3213)              Brian G. Marsden

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