Central Bureau for Astronomical Telegrams
IAUC 3244: SN IN MCG 10-16-117; 1978f; ASTROGRAM CAM /= Sat CAM
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Read IAUC 3245
Circular No. 3244
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
TWX 710-320-6842 ASTROGRAM CAM Telephone 617-864-5758
SUPERNOVA IN MCG 10-16-117
Gisler and Mould, Kitt Peak National Observatory, report that
this supernova (cf. IAUC 3242) is of type II. A spectrogram obtained
on July 7.1 UT showed broad H-alpha, H-beta and H-gamma in emission, with
strong P-Cyg profiles.
COMET MEIER (1978f)
The following precise positions have been reported:
1978 UT R. A. (1950) Decl. Observer
May 2.47558 7 24 31.69 +52 34 54.6 Sei
2.48160 7 24 32.11 +52 34 50.2 "
5.46626 7 28 05.52 +51 51 40.0 "
5.47222 7 28 05.86 +51 51 36.1 "
7.54330 7 30 39.10 +51 21 30.2 Kurosaki
7.56008 7 30 40.50 +51 21 16.9 "
14.48472 7 39 40.26 +49 40 04.3 "
14.48750 7 39 40.73 +49 40 01.6 "
15.47745 7 41 00.90 +49 25 28.1 Sei
25.80113 7 55 39.88 +46 51 21.4 Chernykh
25.81850 7 55 41.40 +46 51 04.4 "
June 9.80303 8 18 47.21 +42 57 57.9 "
9.80928 8 18 47.86 +42 57 51.8 "
S. Sei (Chirorin-mura, Nagano). 16-cm f/2.5 Schmidt camera. Long. =
-137o53'35", Lat. = +36o45'41", h = 670 m. Measurer: T. Urata.
From Nihondaira Obs. Circ. No. 999.
T. Kurosaki (Utsunomiya). From Yamamoto Circ. No. 1888.
N. S. Chernykh and V. P. Tarashchuk (Crimean Astrophysical Obs.).
Total visual magnitude estimates: July 1.10 UT, 8.4 (J. Bortle,
Brooks Observatory, 20 x 80 binoculars); 2.10, 8.8 (P. Maley, Houston,
Texas, 15-cm refractor); 4.12, 8.6 (Maley); 6.10, ~ 8.3 (C. S.
Morris, Prospect Hill Observatory, 20 x 80 binoculars); 8.10, ~ 8.6
(D. W. E. Green, Prospect Hill Observatory, 20 x 80 binoculars).
ASTROGRAM CAM /= SATELLITE CAM
Repeating the notice on IAUC 3231, we request that those
contributing information use the TWX number 710-320-6842 (answerback
ASTROGRAM CAM), not the Smithsonian's telex number.
1978 July 12 (3244) Brian G. Marsden
Read IAUC 3245
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