Monthly Stargazing Calendar for August 2011
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This month on the 12 and 13 the Perseids Meteor Shower will peak. It is one of the best meteor showers to observe because it can produce up to 60 meteors per hour at the peak. You may also be able to see some meteors any time from July 23 to August 22. The meteors will appear to radiate from the constellation of Perseus. Unfortunately we will have a full moon this year which will hide the fainter meteors with its glare. However with up to 60 meteors per hour during the peak even if you can only see a portion of them it would still be a great show. It is recommended to find a location far away from city lights in order to minimize light pollution.
In this photo by ESO/S. Guisard we can see last year’s Perseids meteor shower over the VLT (Very Large Telescope).
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On August 11 Neptune will be at opposition. This means that the planet will be at its closest approach to Earth and its face will be fully illuminated by the Sun. This is the best time to view Neptune. Unfortunately, due to its great distance, it will not be visible with the naked eye and you would need a telescope. Even then, it would appear as a tiny blue dot in all but the most powerful telescopes.
Neptune as seen by Voyager 2.
Moon phases
As you know, the Moon has a big impact on the visibility of celestial bodies in the night sky. So here are the Moon’s phases for this month:
Positions of the planets this month
Mercury: The closest planet to the Sun can be seen at dawn and dusk at the edge of the constellation of Leo. This planet, being the closest to the Sun, will appear to move quickly in the night sky and its position will change in the following weeks.
Venus: The sister planet can be seen within the constellation of Cancer. Just like Mercury, the planet can only be seen at dawn and dusk.
Mars: The red planet can be seen between the constellations of Taurus, Gemini and Orion. Four bright stars can also be seen nearby. They are: Aldebaran, Alnath, Alhena and Betelgeuse.
Jupiter: The gas giant is visible between the constellations of Pisces, Cetus and Aries. Jupiter can easily be spotted with the naked eye, even in highly illuminated cities.
Saturn: The ringed giant can be seen with the naked eye in the middle of the Virgo constellation, not far from the bright stars Spica and Vindemiatrix.
Uranus: The gas giant can be seen between the constellations of Pisces and Cetus with the use of a telescope.
Neptune: The blue giant requires a telescope pointed in the constellation of Aquarius in order to be seen.
Astronomical events next month
- September 23 – September Equinox.
- September 25 – Uranus at Opposition.
See also:
- Previous month’s calendar: Stargazing Calendar for July 2011
- Next month’s calendar: Stargazing Calendar for September 2011
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Paul Tomaszewski
Paul Tomaszewski is a science & tech writer as well as a programmer and entrepreneur. He is the founder and editor-in-chief of CosmoBC. He has a degree in computer science from John Abbott College, a bachelor's degree in technology from the Memorial University of Newfoundland, and completed some business and economics classes at Concordia University in Montreal. While in college he was the vice-president of the Astronomy Club. In his spare time he is an amateur astronomer and enjoys reading or watching science-fiction. You can follow him on LinkedIn and Twitter.
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