You can’t miss our intensely bright planetary neighbor, seen at -4.6 magnitude, according to the U.S. It’s a bright -1.9 magnitude now, but throughout the month, it will appear to get lower. Our neighboring planet begins the month at -2.1 magnitude, very bright, according to the observatory, but the brilliance fades throughout September. The fattening, waxing gibbous moon skips by Mars on Sept. 19, and the moon officially becomes full Sept. 24. 30 — Tour the night heavens at the Lake Artemesia Natural Area, at Berwyn Road and 55th Ave., Berwyn Heights.

Source: Washington Post September 01, 2018 19:52 UTC