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What's In The Sky - June 2019
What's In The Sky - June 2019

What's in the Sky ? June 2019

Get ready for summer stargazing! With weather warming up, June is a great time of year to enjoy relaxing evenings under starry skies with your telescope or astronomy binoculars.
Here are a few of Orion's top suggestions for June stargazing:

Jupiter at Opposition
Jupiter shines brightly in the constellation Ophiuchus during June, and will be at opposition to the Sun on June 10. Around the same time is also its closest approach to Earth, making it an ideal time for observation. Use a SkyQuest XT6 PLUS Dobsonian along with the 10mm Plossl eyepiece and Shorty 2x Barlow lens that come with it to get views of the largest planet in our solar system at 240x magnification! Or, pair it with the Orion StarShoot 1.3mp Solar System V Imaging Camera for an affordable planetary imaging system!

Summer is Globular Season!
Globular star clusters are densely packed balls of stars that are concentrated towards the center of the Milky Way. June skies offer some of the finest globular cluster viewing opportunities. While you can detect most globular clusters in 50mm or larger binoculars, a moderate to high-power eyepiece in a 6" or larger telescope offers the best chance to resolve individual stars. In the constellation Hercules, look for M92 and the ?Great Cluster? M13. In Scorpius, look for M4 and M80. The constellation Ophiuchus is home to six globulars ? M10, M12, M14, M107, M9, and M19. Can you spot them all?

The Virgo Cluster
A treasure trove of galaxies can be explored if you point your 6? or larger telescope toward the Virgo Galaxy Cluster. The Event Horizon radio telescope array released the first image of a black hole in April, of the supermassive black hole in M87. While the black hole might need an Earth-sized radio telescope array to resolve it, the galaxy itself can be viewed with more affordable equipment. Aim your telescope at M87 in the constellation Virgo and start scanning the surrounding night sky. How many galaxies can you see?

Summertime Star Party
Take advantage of the New Moon on June 3rd and the galaxies and globular clusters visible to put on a star party! Not only will the dark skies of the moonless night provide great opportunities to see fainter objects more clearly, but the warm June weather will make it easy to enjoy starry sights all night long with friends and family.

June Close Approaches

The Moon & Venus 314' 11:15 PDT June 1
The Moon & Mercury 339' 08:42 PDT June 4
The Moon & Mars 134' 08:06 PDT June 5
The Moon & Jupiter 159' 11:50 PDT June 16
Mercury & Mars 014' 07:43 PDT June 18
The Moon & Saturn 026' 20:47 PDT June 18

Swirling Spirals
Around 10pm in mid-June, two glorious, face-on spiral galaxies M51 and M101 will both be in a great position for viewing and imaging. Look for M51, the Whirlpool Galaxy, to the southwest of the star Alkaid at the end of the Big Dipper's "handle". Scan the sky to the northeast of Alkaid to find M101, the Pinwheel Galaxy. Under very dark skies, these distant galaxies can barely be detected in smaller telescopes, but a 10" or larger reflector will reveal much more impressive views. If you're viewing from an especially dark location, try to resolve the delicate spiral arms of M51 in a 10" or larger telescope.

Gems of the Summer Triangle
By 10pm in mid-northern latitudes, the Summer Triangle, comprising beacon stars Vega (in Lyra), Deneb (in Cygnus), and Altair (in Aquila), will be fully visible above the horizon. Several celestial gems lie within its confines, including the Ring Nebula (M57), the Dumbbell Nebula (M27), open star cluster M29, and the visually challenging Crescent Nebula (NGC 6888). To catch a glimpse of the elusive Crescent, you'll almost certainly need an Orion Oxygen-III Filter in a larger telescope.

Summer Sky Challenge
Discovered in 1825 by the German astronomer Friedrich Georg Wilhelm von Struve, NGC 6572 is bright enough to be seen in a humble 60mm refractor telescope from a dark sky site; but it is very, very small! At only 8 arc-seconds in size, it takes a lot of magnification to distinguish this from a star. The easiest way to find it is to look in the target area for a green star. NGC 6572 is one of the most intensely colored objects in the night sky. Some say this is green, some say it is blue; what do you think?

Details
Date Taken: 05/30/2019
Author: Orion Staff
Category: Seasonal

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