Having passed Venus and Mars yesterday, the waxing crescent Moon continues its journey east across the sky. It will pass M45, the Pleiades open star cluster, in a few days, but tonight presents a good opportunity to see Earthshine. This happens when light is reflected back from the Earth onto the Moon’s surface, thereby illuminating just enough of the dark unlit portion to make the whole of the Moon visible.
(Click on an image to enlarge.)
Images courtesy of Mobile Observatory.
Good opportunity to see Earthshine on the waxing crescent Moon after sunset. (Evening sky.)
The constellation Sextans (the Sextant) culminates at midnight tonight. (All night.)
The multiple star Algieba culminates at midnight tonight. (Magnitude 2.6. Leo, all night.)
Learn more about every upcoming astronomical event in 2015 An Astronomical Year (Kindle eBook) and The Astronomical Almanac (2015-2019) (Kindle eBook) and The Astronomical Almanac (2015-2019) (Paperback Edition).
The Amateur Astronomer’s Notebook allows astronomers to log 150 observing sessions and includes an appendix of hundreds of suggested deep sky objects.