Reprinted from the Island Free Press
July will begin with Jupiter, Mars and Saturn all prominent in the evening skies. Jupiter is the brightest object in the southwest. The prominent triangle formed by Mars, Saturn and Antares will be almost due south at dusk.
Neptune will rise at about 11:30 p.m., followed by Uranus at 1:20 a.m. Both will rise near the eastern horizon. These two planets are almost identical in size, but Neptune is 2.7 billion miles away from us while Uranus is a mere 1.9 billion miles away. The change in distance has a profound effect on how brightly the two planets appear.
Neptune has a visual magnitude of +7.9, making it invisible to the unaided eye, but you can view it through a good pair of binoculars. It will appear to be a very bright star. Uranus on the other hand has a visual magnitude of +5.9. That means on a very clear dark night you might be able to see it with your unaided eye. If you decide to do this, you can increase your odds by picking a location as far away from lights as possible.
July 28 and 29 will be the peak of Delta Aquarids meteor shower. The Delta Aquarids run from July 12 to Aug. 23, but the most activity is predicted for the night of July 28. The best viewing will be after midnight. You can expect about 20 meteors an hour. They can appear almost anywhere in the night sky but will appear to originate from the constellation Aquarius. Aquarius will rise in the southeast at about 9:30 p.m.
The Perseids meteor shower will also be visible from July 17 to Aug. 24. Its peak activity is in August, and the Perseids are renowned for producing up to 60 meteors an hour. Like the Delta Aquarids, the Perseids are best viewed after midnight. Similarly, the shooting stars can appear anywhere in the sky, but these meteors will appear to come from the constellation Perseus. Perseus will rise in the northeast just before 11 p.m.
June offered several good nights for astrophotography. The southern part of the skies offered views of several nebulae including the Trifid Nebula and Lagoon Nebula.
That is M20, the Trifid Nebula, on the top. It’s about 5,000 light years away. Its visual magnitude is +6.3. That puts it out of sight for the unaided eye, but M20 is a good target for a pair of binoculars or a telescope. The Trifid Nebula can be found in our southern skies throughout July.
I took this image of a sunspot, center, on a bright afternoon when the moon was full, so I wasn’t thinking about doing any nighttime observations.
The sun is a pretty easy target to find in a telescope, but you need to take some serious precautions: Never look directly at the sun; don’t try to use your finder scope to “center the sun;” and make sure you have a solar filter on your telescope before viewing the sun.
I use a solar filter and camera to view the sun. That way I never have to look directly at the sun. If something goes wrong when viewing the sun, you could damage your eyes or even suffer blindness.
The last photo is Messier 84, center,and Messier 86, center bottom. They are the two bright galaxies in this shot. On their left are NGC 4386 and NGC 4387. NGC 4402 is on the right. There are four more galaxies near the top of the page, from left to right: NGC 4413, NGC 4425, and the Eyes (NGC 4435 and NGC 4438). Together, they all form part of Markarian’s Chain of Galaxies. Markarian’s Chain is in the constellation Virgo.
New moon: July 4
First Quarter: July 11
Full moon: July 19
Last Quarter: July 26
Sunspots are cool areas that appear on the surface of the sun. They can last from a few days to several months.
This story is provided courtesy of the Island Free Press, a digital newspaper covering Hatteras and Ocracoke islands. Coastal Review Online is partnering with the Free Press to provide readers with more environmental and lifestyle stories of interest along our coast. You can read other stories about Hatteras and Ocracoke here.
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