Category Archives: Home Observatory

Home; private, backyard observatory. Deep-sky objects explored.

Messier 41

M41 (NGC 2287) is an open cluster south of the brightest star Sirius in the constellation Canis Major and, at magnitude 4.5, is visible to the naked eye.

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Messier 35

M35 (NGC 2168) is an open cluster in the constellation Gemini. At magnitude 5.3 it is visible to the naked eye in dark skies at the feet of Gemini (see chart below). In the lower right, which is southwest in this image, you can see NGC 2158 which is 10 times older and five times more remote than M35 and at magnitude 8.6 is not visible to the naked eye even in Torrey.

Mark Bailey

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Messier 16

M16 (NGC 6611, IC 4703) is a star forming nebula; an emission nebula with an open star cluster (IC 4703) in the constellation Serpens. It is commonly known as the Eagle Nebula.

by Mark Bailey

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