Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84 exptools; site ihlpg.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxt!houxm!ihnp4!ihlpg!dimario From: dimario@ihlpg.UUCP (Michael J. DiMario) Newsgroups: net.astro Subject: Right Ascension Determination Message-ID: <1117@ihlpg.UUCP> Date: Thu, 22-Aug-85 12:13:26 EDT Article-I.D.: ihlpg.1117 Posted: Thu Aug 22 12:13:26 1985 Date-Received: Sat, 24-Aug-85 17:57:30 EDT Distribution: net Organization: AT&T Bell Laboratories Lines: 10 I am looking for a clear explanation of determining the R.A. of an object given its R.A. at 0h UT for a given meridian. I seem to have difficulties w/ this in the field. For example, given that Jupiter is at R.A. 20 53.0 on Aug 16th at 0h UT, what is its R.A. at 88 degrees W. longitude? Is this the Hour Angle and if so, how do you use it? Thank you in advance. mike dimario ihnp4!ihlpg!dimario 312/979-5397