Category Archives: Home Observatory
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.
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.
Messier 38
M38 (NGC 1912) is an open cluster in the constellation Auriga.
Messier 37
M37 (NGC 2099) is an open cluster in the constellation Auriga.
Messier 36
M36 (NGC 1960) is an open cluster in the constellation Auriga.
Messier 45
M45 is a famous open cluster in Taurus commonly known as Pleiades:
Messier 1
M1 (NGC 1952) is a supernova remnant that is now a nebula in the constellation Taurus commonly known as the Crab Nebula.
Messier 12
M12 (NGC 6218) is a globular cluster in the constellation Ophiuchus.
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.