Circular No. 2237 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 Western Union: RAPID SATELLITE CAMBMASS NOVA AQUILAE 1970 Dr. Anne P. Cowley, Department of Astronomy, University of Michigan, telegraphs: "A weakly exposed spectrogram of the nova taken April 17.5 UT shows a very broad H-beta emission (approximately 25 angstroms); magnitude between 6 and 7." The following visual magnitude estimates have been made: 1970 UT Mag. Observer Apr. 16.31 7.1 D. Lucas (Elyria, Ohio); Communicated 17.31 7.0 " [by M. Mayall, AAVSO 19.28 7.3 B. G. Marsden (Lexington, Mass.) The following position has been measured by C. Y. Shao, Harvard College Observatory, from a plate taken by M. Mattei with the 20-cm Ross lens at Agassiz station. Reduced by the undersigned. R. A. (1950) Decl. 19 22 15.37 + 4 08 50.6 PERIODIC COMET CURJUMOV-GERASIMENKO (1969h) Dr. A. Mrkos, Klet Observatory, provides positions as follows: 1970 UT R. A. (1950) Decl. Mar. 7.82846 10 43 51.33 +20 41 18.6 9.89264 10 41 44.07 +20 44 19.4 10.85882 10 40 46.00 +20 45 32.3 (1620) GEOGRAPHOS Dr. S. Vasilevskis, Lick Observatory, communicates the following positions, measured by K. M. Cudworth from plates taken by E. A. Harlan with the 51-cm astrograph: 1970 UT R. A. (1950) Decl. Sept. 8.21493 20 17 10.86 - 9 00 30.4 Oct. 6.14062 21 26 59.07 + 8 07 01.2 1970 April 21 (2237) Brian G. Marsden
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