> >For celestial co-ordinates, there is only one reference point. It > is > >sufficient to list an RA/Dec without declaring any reference. > > Not so. I use J2000 when reporting positions. Others may still use > 1950. Even so, isn't the difference between 1950 and 2000 generally negligle for satellite tracking and data-collection? Of course, it's best to use the most recent coordinates, I know that.... ------------------------------ Jonathan T. Wojack tlj18@juno.com 39.706d N 75.683d W http://www.angelfire.com/stars2/projectorion 4 hours behind UT (-4) ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: http://dl.www.juno.com/get/tagj. ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www2.satellite.eu.org/sat/seesat/seesatindex.html
This archive was generated by hypermail 2b29 : Thu Sep 20 2001 - 17:55:52 EDT