Stephen asked: > could someone tell me what star or satellite I can see during > the day over Somerset West, Cape Province, South Africa. > My pos. on my gps tells me I'm at 34 04.367 S, 018 51.638 E, > at an elevation of 73m above sea level. > > Because of the earths rotation it appears to move from south > east to north west. It appears as a reasonably bright star > during the day, (although quite difficult to find first off). > Its altitude at 1pm (1300) south african time, was 70 degrees > above the horizon with an azimuth of 110 degrees (if that is > the correct way of saying 20 degrees south of east). Its > altitude at 2pm (1400) south african time was about 85 degrees > above the horizon and its azimuth 80 degrees. I first noticed > it about a week ago. That is the planet Venus. I have appended its az/el ephemeris, generated by: http://ssd.jpl.nasa.gov/cgi-bin/eph Your observed estimated positions are in reasonable agreement. You can see the approx SE to NW path you observed. Ted Molczan Target Body: Planet Venus Observer Location: User Specified Location Coordinates: 18°51'38.3''E, 34°04'22.0''S, 73 m UTC AZ EL 2005-Oct-10 07:00 * 113.1163 7.3313 2005-Oct-10 08:00 * 105.6633 19.0468 2005-Oct-10 09:00 * 98.4626 31.1888 2005-Oct-10 10:00 * 90.8126 43.5618 2005-Oct-10 11:00 * 81.3963 55.9470 2005-Oct-10 12:00 * 66.5303 67.9003 2005-Oct-10 13:00 * 31.6531 77.5570 2005-Oct-10 14:00 * 325.2081 77.1801 2005-Oct-10 15:00 * 292.2523 67.2690 2005-Oct-10 16:00 * 277.8876 55.2742 2005-Oct-10 17:00 C 268.6232 42.8908 2005-Oct-10 18:00 A 261.0166 30.5379 2005-Oct-10 19:00 253.8094 18.4308 2005-Oct-10 20:00 246.3165 6.7671 * denotes sun above horizon C denotes civil twilight A denotes astronomical twilight ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
This archive was generated by hypermail 2b29 : Mon Oct 10 2005 - 10:34:42 EDT