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Unformatted text preview: Cepheid prototype. Mag varies between 3.5 & 4.4 over 5.366 days. Mag 6 companion.
Multiple star system with 6 components. 3 stars visible in telescope. Dist=52 ly.
With Castor, the twin sons of Leda in classical mythology. Dist=34 ly.
Brightest star in Leo. A blue-white star with at least 1 companion. Dist=77 ly.
The brightest star in Orion. Blue supergiant star with mag 7 companion. Dist=770 ly.
One of the largest red supergiant stars known. Diameter=300 times that of Sun. Dist=430 ly.
Famous eclipsing binary star. Magnitude varies between 2.1 & 3.4 over 2.867 days.
The Seven Sisters. Spectacular cluster. Many more stars visible in binoculars. Dist=399 ly.
Large V-shaped star cluster. Binoculars reveal many more stars. Dist=152 ly.
Brightest star in Taurus. It is not associated with the Hyades star cluster. Dist=66.7 ly.
The North Pole Star. A telescope reveals an unrelated mag 8 companion star. Dist=433 ly. Easily Seen with Binoculars
Mizar & Alcor And
UMa The Andromeda Galaxy. Most distant object visible to naked eye. Dist=2.5 million ly.
Stars appear arranged in "pi" or cross shape. Dist=4,300 ly.
About half size of M38. Located in rich Milky Way star field. Dist=4,100 ly.
Very fine star cluster. Discovered by Messier in 1764. Dist=4,400 ly.
Praesepe or Beehive Cluster. Visible to the naked eye. Dist=590±20 ly.
Easy to find in binoculars. Might be glimpsed with the naked eye.
First recorded observation by Aristotle in 325 BC as "cloudy spot". Dist=2,300 ly.
Coma Berenices. 80 mag 5-6 stars in 5 deg. Dist=288 ly. Age=400 million years.
Fine open cluster located near foot of the twin Castor. Dist=2,800 ly.
12+ stars in 7x binoculars. Triangular asterism near centre. Dist=1,990 ly.
Visible with binoculars. Gold & white stars. Mags 3.6 & 6.2. Dist=30 ly. Sep=96.3".
A large scattered star cluster of 20 stars. Dist=1,300 ly.
Surrounded by the rather faint Rosette Nebula. Dist=5,540 ly.
Visible with binoculars. Telescope reveals individual stars. Dist=3,000 ly.
Lambda Orionis Cluster. Dist=1,630 ly.
The Great Orion Neb...
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This homework help was uploaded on 03/25/2014 for the course ASTRO 1400 taught by Professor Holtz during the Spring '10 term at Texas Tech.
- Spring '10