Big Dipper
The Big Dipper is an asterism formed by seven bright stars in the northern circumpolar constellation Ursa Major, the Great Bear. It is one of… Read More »Big Dipper
Messier 97
Owl Nebula – Messier 97
The Owl Nebula, Messier 97 (M97), is a famous planetary nebula located at an approximate distance of 2,030 light-years in the northern constellation Ursa Major… Read More »Owl Nebula – Messier 97
Dumbbell Nebula (Messier 27)
The Dumbbell Nebula is a planetary nebula located approximately 1,360 light-years away in the northern constellation Vulpecula (the Fox). With an apparent magnitude of 7.4,… Read More »Dumbbell Nebula (Messier 27)
The Night Sky: June 2020
Here are some of the things to see in June:Read More »The Night Sky: June 2020
The Keystone
The Keystone is an asterism formed by four relatively bright stars in the constellation Hercules: Pi, Eta, Zeta and Epsilon Herculis. The trapezoid-shaped pattern makes it easy for observers to identify the constellation and to find several well-known deep sky objects. On a clear night, the Keystone can be seen between the bright Vega, the brightest star in Lyra, and the stars of Corona Borealis, the Northern Crown. The asterism represents Hercules’ torso.
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