Bulan pada 2 Sept 2008 (1 Ramadhan 1428)

source: Sky and Telescope web

Monday, September 1

Jupiter's moon Europa crosses Jupiter's face from 8:37 to 11:20 p.m. Eastern Daylight Time, followed by Europa's tiny black shadow from 10:49 p.m. to 1:34 a.m. EDT (best seen from western North America).

Tuesday, September 2

With summer soon to change to fall, the Great Square of Pegasus is well up in the east after dark. Look for it balancing on one corner. It's a bit larger than your fist held at arm's length.

Wednesday, September 3

The bright eclipsing variable star Algol should be in one of its periodic dimmings, magnitude 3.4 instead of its usual 2.1, for a couple hours centered on 1:27 a.m. Thursday morning EDT. Algol takes several additional hours to fade and to rebrighten; watch it slowly dim down through the evening.

Thursday, September 4

Some doorstep astronomy: Just after dark at this time of year, Arcturus shines brightly due west. Off it its right in the northwest, the Big Dipper poses at about the same height.