Astronomical Register Volume 24; A Medium of Communication for Amateur Observers and All Others Interested in the Science of Astronomy (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1886 Excerpt: ...64 57 0-72 Comet B was seen at Rousdon Observatory, Devon, by Mr. C. Grover, on May 4 at I5h. G. M. T., in R. A. 23I1. 17m., and N. Decl. 300 40', very small but very bright, with distinct fan-shaped tail about 45' long. Comet A was observed by Colonel G. L. Tupman at Harrow: 1886 G. M, T. R. A. Decl. h. m. s. h. m. s. 0 May 6 10 28 27 1 27 22-1 N. 57 16 29 About 8 mag. round? 2' diameter, with central condensation, but no nucleus. RALPH COPELAND. Lord Crawford's Observatory, Dun Echt: 1886, May 10. DUN ECUT CIRCULAR, No. 118. A "Science Observer" telegram from Boston, U.S., gives a further computation of the path of Comet A, based on observations on April 29, May 2 and 5, by Mr. H. V. Egbert. Elements. T = 1886, June 779 Greenwich M. T. Jt--n = 199 3' ) U = 193 35 Mean Equinox 18S6-0. = 87 53 J log? == 9'4547 Ephemeris for Greenwich Midnight. 1886 E. A. Decl. Brightness. h. m. s. o / May 11 I 59 24 N. 53 19 1-19 15 2 20 48 49 44 19 2 40 16 45 42 23 2 58 16 41 3 4-48 Lord Crawford's Observatory, DunEcht: 1886, May II. RALPH COPELAND. DUN ECHT CIRCULAR, No. 119. Elements and Ephemeris of Comet B, 1886. The elements have been computed by Dr. II. Oppenheim from observations on May 2 at Kiel, May 4 at Hamburg, and May 6 at Leipsic. The outstanding differences are: d X =-f-6" and d /3 = + 5." Elements. T = 1886, May 4-3998 Berlin M. T. 7T--a = 38 21' 41" ) ft = 287 35 45 V Mean Equinox 1886-0 t = 100 2 43 ) log / = 9-92520 Ephemeris for Berlin Midnight. 1886. R. A. Decl. log. A log. r Brightness. 0-0192 9-9483 0-8 0-0428 9-9608 0-0698 9-9753 0-6 0-0983 9'99- 0-1270 0-0078 0'4 The eclipse of Jupiter's fourth satellite, as observed at Harvard College on April 30, lasted 30m. 20s. longer than the tabulated time; hence Professor...