The thin crescent Moon will be near to Mars on the 27th.
Lunar occultation of Mars on 27th July, 2011, visible from French Polynesia, Chile, Peru and Argentina. Visible from Santa Cruz at 18:03 UT (Disappearance)
Jul 22, 2011; 5:00 AM ET One of the year's best meteor showers peaks this week, and conditions will be nearly perfect for viewing. Mars will pair up with the thin crescent moon low in the eastern sky.
By 8:39 p.m., civil twilight is almost over, and you should be able to see the brightest stars. Arcturus is almost overhead, only 17 degrees from the zenith in the southwest direction. Mercury and Regulus are low in the west with Regulus only 4 degrees above Mercury. Mercury was at its greatest elongation last Wednesday, and now is circling closer to the Earth, getting dimmer each day as its crescent phase narrows. It will be visible in the twilight until the end of the month. Read more
For early bird skywatchers willing to look up before dawn the next few days, the Moon will be putting on a great show. On Saturday, July 23, about an hour before your local dawn face east to find the Quarter Moon. Joining our celestial neighbour will be what looks like a creamy coloured, bright star which is in fact planet Jupiter - sitting about 700 million km from Earth. If you get clouded out try again on Sunday morning. The Moon still be hanging around the gas giant but will have moved on its other side. Read more