A. C. Porter, Harvard-Smithsonian Center for Astrophysics, assisted by D. Danby and G. Wright, has measured the following precise position from a plate taken by Danby at Harvard University on Dec. 7: R.A. = 21h40m46s.0, Decl. = +31o13'45" (equinox 1950.0). H. Kosai, Tokyo Astronomical Observatory, communicates the following photoelectric observations, obtained on Dec. 8.5 UT by K. Ishida, K. Hamajima and T. Mikami at the Okayama Station: V = 10.09, B-V = +1.67, V-R = +1.51, V-I = +3.28 (Johnson system).
International Astronomical Union Circular
- Pub Date:
- December 1980