Three planets get together after sunset, Jupiter makes a close call on a dim star, Mars passes by the lion's heart, there's a penumbral lunar eclipse, and maybe a comet will make a show for us too. Continue reading →
¡SkyCaramba! Weekly astronomy blog for the week ending October 5, 2013
October is another good month for planet watching. Whether you like to watch in the evening, around midnight, or as dawn approaches, there’s something for you.
Three planets are low in the west right after sunset. They are Mercury, Venus, and Saturn. The moon will help you find Mercury as it passes by the planet on the 6th. The next night, the moon is between Venus and Saturn. Then on the 8th, the moon is above Saturn. Your best chance to see Mercury is on the 9th when it’s at its farthest east of the sun this time around. This greatest elongation measures 25°. In its usual fashion, Mercury becomes hard to see just a few weeks later, so don’t expect to find it in the second half of the month.
Remember that the planets are moving against a backdrop of stars that is also moving. Venus will be ...