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Re: Tycho Brahe Mars oppositions
From: Michael Dorl
Date: 2004 Nov 29, 14:46 -0600
From: Michael Dorl
Date: 2004 Nov 29, 14:46 -0600
George: Do you now how these times were calculated or how opposition is defined here? Michael At 12:35 AM 11/28/04 +0000, you wrote: >Finally, here are some relevant dates and times taken from Jean Meeus' >"Astronomical tables of the Sun, Moon, and planets" (Willman-Bell 1995). >These are from Table 2, "Oppositions of Mars", on page 81. Meeus tells us >that he uses the Julian Calendar until Oct 4 1582, then the Gregorian from >15 Oct 1582 (the next day). The times are in TD, and are geometrical, i.e. >at the moment the opposition occurred; not the moment it was seen, which >would be about 7 min later. That distinction was presumably irrelevant to >Tycho. > >18/11/1580 11:41 >07/01/1583 16:11 >10/02/1585 07:27 >16/03/1587 21:38 >24/04/1589 19:55 >18/06/1591 18:21 >05/09/1593 02:11 >10/11/1595 10:40 >24/12/1597 02:41 >29/01/1600 03:14 >03/03/1602 04:28 >08/04/1604 05:53
