Kitt Peak Nightly Observing Program
Splendors of the Universe on YOUR Night!
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M42 The Orion Nebula
M42, the Orion Nebula is a region of star formation about 1,300 light-years away—the closest to our Solar System. It is roughly 30 light-years across, and contains enough material to make 2,000 stars the size of our sun.
Though dim, M79 is just about the only globular cluster easily seen in the Northern Hemisphere Winter sky. It lies 41,000 light-years away and orbits our galaxy further out than our sun does—unusual since most globular clusters are congregated towards the center of the galaxy.
The ecliptic is a path in the sky, forming a great circle around the Earth, which the Sun and other planets of the Solar System move along. It is formed where the plane of the Solar System intersects with the Earth’s sky.
That clumpy band of light is evidence that we live in a disk-shaped galaxy. Its pale glow is light from about 200 billion suns!
Human technology! There are almost 500 of these in Low Earth Orbit (we can’t see the higher ones). We see these little “moving stars” because they reflect sunlight.
M103 is one of many open star clusters in the constellation Cassiopeia. At a distance of about 10,000 lightyears, this is one of the most distant open star clusters known. The apparent brightest star in the cluster is not actually a member of the cluster at all, but actually a foreground star. The brightest star in the cluster is a red giant star; it has a redish orange tinge.
M35 is an open star cluster of over 300 stars. It lies at a distance of 2,800 light-years from Earth, near the foot of Castor, one of the Gemini twins. Tiny nearby cluster NGC 2158 is in the same field of view.
M37 Salt & Pepper Cluster
M37, the “Salt and Pepper Cluster” is one of three bright open star clusters in the constellation Auriga. It is the brightest and richest of the three. It lies about 4,500 light-years away, contains about 150 stars, has a diameter of about 25 light-years, and is 450 million years old.
M1 Crab Nebula
M1: The Crab Nebula. The explosion that created this nebula was seen by Chinese astronomers in 1054 A.D. This explosion was bright enough to be seen in the daytime for almost a month. The nebula is 11 lightyears in diameter and is expanding at the rate of 1,500 km per second.
Almach (γ And)
Almach (γ Andromedae) appears as a golden and blue double star in small telescopes. The blue star itself is actually three stars, too close together to see as individuals, making Almach a four-star system. It is about 350 light-years away, and orbits with a period of several thousand years.
Your Telescope Operator and Guide. Thank you for joining me this evening! See you soon!!
The web page for the program in which you just participated is at
Nightly Observing Program. Most of the above images were taken as
the Overnight Telescope Observing Program. For more information on this unique experience please visit Overnight Telescope Observing Program.
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