Re: another eclipse question(s)

2000-01-17 Thread Jim_Cobb
Hi moondialists: I have been watching the waxing moon each night as it heads towards the total lunar eclipse on January 21 4:41:30 Universal Time. Its apparent diameter seems to be increasing, which means that it is approaching perigee, right? If last month's huge full moon was nearly at

Re: another eclipse question(s)

2000-01-17 Thread Jim_Cobb
Earlier I wrote: According to the 2000 Astronomical Almanac, perigee occurs Jan 19 23 h UT. According to Kepler an orbital body moves fastest near perigee (equal area rule). The faster motion may outweigh the larger umbra--I don't know, though I suspect this to be the case. On the web page

another eclipse question(s)

2000-01-17 Thread John Carmichael
Hi moondialists: I have been watching the waxing moon each night as it heads towards the total lunar eclipse on January 21 4:41:30 Universal Time. Its apparent diameter seems to be increasing, which means that it is approaching perigee, right? If last month's huge full moon was nearly at