Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/5/84; site mordor.UUCP
Path: utzoo!linus!decvax!genrad!panda!talcott!harvard!seismo!lll-crg!mordor!@S1-A.ARPA,@MIT-MC.ARPA:koolish@bbncd2
From: @S1-A.ARPA,@MIT-MC.ARPA:koolish@bbncd2
Newsgroups: net.space
Subject: comets
Message-ID: <3159@mordor.UUCP>
Date: Fri, 23-Aug-85 07:54:46 EDT
Article-I.D.: mordor.3159
Posted: Fri Aug 23 07:54:46 1985
Date-Received: Sun, 25-Aug-85 11:43:30 EDT
Sender: daemon@mordor.UUCP
Organization: S-1 Project, LLNL
Lines: 37

From: Dick Koolish 

P/Halley

0h UT       RA (2000)   DEC             MAG
-----       ---------   ---             ---
Sept 1      6h 11.52m   +19d 20.4m      12.7
Sept 6      6  13.30    +19  25.1       12.5
Sept 11     6  14.71    +19  30.1       12.1
Sept 16     6  15.64    +19  35.9       12.0
Sept 21     6  16.00    +19  42.5       11.7
Sept 26     6  15.65    +19  50.4       11.4
Oct 1       6  14.44    +19  59.7       11.1

P/Giacobini-Zinner

0h UT       RA (2000)   DEC             MAG
-----       ---------   ---             ---
Sept 1      5h 10.6m    +37d 45m         8.0
Sept 6      5  34.4     +30  56          8.1
Sept 11     5  54.8     +23  52          8.2
Sept 16     6  12.2     +16  53          8.2
Sept 21     6  27.2     +10  11          8.4
Sept 26     6  40.1     + 3  56          8.5
Oct 1       6  51.3     - 1  49          8.7

At Stellafane last weekend, Halley was seen by a number of
observers using 24 inch telescopes.

On September 14th, Halley and Giacobini-Zinner will pass within
2 degrees of each other.  Closest approach is at 18:00 UT.
On the morning of the 14th, they will be 2.1 degrees apart and
2.3 degrees on the morning of the 15th.

At 07:35 UT (3:35 AM EST) on September 4th, Giacobini-Zinner
will occult the 6th magnitude star SAO 58030  in Auriga.
Complete details in September Sky & Telescope, page 223.