September deep sky: Cygnus Loop and Bode’s Galaxy

September deep sky: White and blue tendrils surrounded by reddish filaments and haze.
View at EarthSky Community Photos. | Jeffrey Horne in Nashville, Tennessee, captured this picture of the Cygnus Loop on September 12, 2021. He wrote: “The Cygnus Loop, taken largely from light-polluted Nashville.” Thanks for sharing the fantastic thing about the September deep sky, Jeffrey!

September deep sky images

Discover the depths of September’s deep sky with these superb images taken by two photographers and associates of EarthSky.

The Cygnus Loop

The Cygnus Loop is a big supernova remnant stretching from the constellation Cygnus the Swan into neighboring Vulpecula the Fox. Parts of the Cygnus Loop are additionally referred to as the Veil Nebula. The Cygnus Loop lies roughly 2,600 light-years from Earth. The intense tendrils and dusty filaments span 130 light-years in diameter, stretching three degrees throughout. A span of three levels would appear to be the width of six full moons on the dome of our sky. The nebula is about 21,000 years previous. As but, scientists have been unable to seek out the stellar remnant that brought about the supernova explosion.

Bode’s Galaxy

Bode’s Galaxy, or M81 (Messier 81), lies in Ursa Main, to the higher proper of the Huge Dipper’s Bowl on September evenings. This majestic face-on spiral galaxy is shut sufficient to Polaris, the North Star, that you may technically seek out this deep-sky object on any evening of the 12 months from northern latitudes. Bode’s Galaxy shines at magnitude 6.9, making it an honest goal for binoculars. If you happen to exit galaxy attempting to find M81, you’ll be rewarded with a bonus galaxy close by, M82, an edge-on spiral shining at magnitude 8.4.

Spiral galaxy, bright at center and diffuse outward.
View at EarthSky Community Photos. | David Hoskin in Halifax, Nova Scotia, Canada, captured this picture of M81 on September 14, 2021. He wrote: “Messier 81, often known as Bode’s Galaxy, is a grand spiral galaxy with a supermassive black gap at its middle. Bode’s Galaxy is positioned in Ursa Main and is about 12 million light-years from Earth.” Thanks, David! M81 isn’t just a September deep sky goal however will be loved from northern latitudes all 12 months.

Backside line: EarthSky readers shared two superb deep-sky images with us: the Cygnus Loop and Bode’s Galaxy, each good observing targets for September. | September deep sky: Cygnus Loop and Bode’s Galaxy


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