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Messier 73

Messier 73

Messier 73 is an asterism formed by four physically unrelated stars located in the southern constellation Aquarius. The four stars that form the Y-shaped asterism only appear close to each other in the sky because…

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Southern Circumpolar Constellations

The circumpolar southern constellations are Carina, Centaurus, and Crux. They can be found circling the south celestial pole and can be seen from southern latitudes at any time of year while remaining invisible for observers in most northern locations….



M27 Nebula Nebulae

Top 5 Easiest Planetary Nebulae To View

When looking in the sky, there are several easy and well known planetary nebulae (plural of nebula) that are visible from the Pacific Northwest and other Northern Hemisphere observing locations. A planetary nebulae galaxy is…


Messier 72

Messier 72

Messier 72 is a globular star cluster located in the constellation Aquarius, the Water Bearer. Pierre Méchain, a French astronomer and colleague of Charles Messier, discovered the globular cluster M72 in 1780. It was the first of…


M45 Pleides cluster

Top 5 Easiest Open Clusters To View

When looking in the sky, there are several easy and well known open cluster objects that are visible from the Pacific Northwest and other Northern Hemisphere observing locations. An open cluster is a type of star…



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Former Constellations: Brief Overview

After spending much time discussing their visibility for amateur astronomers in the Pacific Northwest, it makes sense to discuss constellations that are no longer around in the sky today. Prior to standardization efforts, many of…


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Top 6 Easiest Globular Clusters To View

When looking in the sky, there are several easy and well known globular cluster that are visible from the Pacific Northwest and other Northern Hemisphere observing locations. M13 Hercules Globular Cluster When Visible: May to…


Messier 42 Orion Nebula nebula

Top 4 Easiest Diffuse Nebulae To View

When looking in the sky, there are several easy and well known diffuse nebulae (plural of nebula) that are visible from the Pacific Northwest and other Northern Hemisphere observing locations. A diffuse nebulae is a…