Messier Objects 51-110 from Mt. Stony Brook

M51 The Whirlpool Galaxy with its companion. This beautiful galaxy is about 15 million lty from us. The sprial nature of M51 was first recorded by the Earl of Rosse in 1845. This is in the constellation of Canes Venatici.

M52 Open Cluster in Cassiopeia. At 7,00 lty away, this cluster shines brightly (7th mag). It is very rich in bright stars with about 200 members brighter than 15th magnitude.

M56 Globular Cluster in Lyra. M56 is a compact globular cluster. It is about 40,000 lty away, and it moving towards the sun at 154 km/s.

M57 The Ring Nebula. M57 is another planetary nebula,but instead of the dumbbell shape seen in M27, this object clearly appears to be a ring. There are two stars in the center of the ring. The brighter one is believed to be associated with the nebula. This is in the constellation Lrya. J. Petreshock assisted S.Sc\ hell with this image.

M65 A spiral galaxy in Leo. This galxy is 9th magnitude galaxy and is about 35 million lty away from us. It is 20 arc minutes from M66.

M66 Another spiral galaxy in Leo. This is a slightly brighter galaxy and appears to be more face-on than M65.

M71 Globular Cluster in Sagitta. M71 is one of the nearest globular clusters at 8,500 lty away. It is roughly 8th magnitude.

M72 Globular Cluster in Aquarius. This cluster is 60,000 lty away. It is about 35 lty across.

M73 Asterism in Aquarius. This appears to be a collection of 3 stars. This could just be a small cluster.

M74 Galaxy in Pisces. This is a Sc spiral galaxy. It is about 20 million lty away, making it less spectacular than the M31 Sc spiral galaxy.

M76 A Planetary Nebula in Perseus. The total light of M76 is about 10-11 magnitudes. This is sometimes called a miniature dumbbell nebula. It is 3,400 lty from us.

M77 A Seyfert Galaxy in Cetus. This is a bright (8.4 mag) object. It is about 30 million lty away.

M80 A globular Cluster In Scorpius. Near the brgiht star Antares, M80 is an 8th magnitude blur in a small telescope. This cluster had a nova occur in 1860.

M82 The Exploding Galaxy. M82 is unusual! It appears to be a galaxy rich in star formation. This is about 7 million lty away. Beautiful to observe in a small telescope. Image taken by D. O'Sullivan and J. Faber.

M92 Globular Cluster in Hercules. This cluster is as bright as M13, also in Hercules, but it is twice as small. It is about 28,000 lty away and 100 lty across.

M97 The Owl Nebula (look hard, you'll see the owl face). This is also a planetary nebula. The integrated light is 11th magnitude and is 2,600 lty from us. This is in Ursa Major. Again, a beautiful image by S. Schell with J. Petreshock\ .

M101 Sprial Galaxy in Ursa Major. A beautiful galaxy which shows the spiral arm structure. The arms contain many hot blue stars. This is about 15 million lty a\ way. This is sometimes called M102, but this may not be true.

M103 Open Cluster in Cassiopiea. This cluster is about 8,000 lty away and 14 lty across. It is at a total magnitude of 6.2, but the stars are scattered.

M104 The Sombrero Galaxy. This galaxy is a bright 8th magnitude object. It is known as the Sombrero based on the dark dust lanes that obscure the light. This is in Virgo.

M107 Globular Cluster in Ophiuchus.M107 is a 9th magnitude cluster about 10,000 lty away. It was suggested to be added to Messier's list after his list was completed.

M110 A Galaxy in Andromeda. This was added to the Messier catalogue in 1967. It is believed that Messier observed this object in 1773. This is the other companion to M31.

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