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M-80 is one of the most compact and dense globular clusters. It's a little difficult for northern observers because it is usually low in the southern sky. The bright stars of Scorpius make it relatively easy to locate though. Even the f10 image shows M-80 as a small target. You should be able to see in in binoculars on a 90 mm scope. Be sure to look at the image taken with the HST. It clearly shows how tightly packed the stars of M-80 are. | |
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Size: 9' Magnitude: 7.3 Magnitude Tip: 13.4 RA: 16h 17m 3s Dec: -22m 58m 30s |
Scope: Orion MAK 500 | |
Canon EOS 20d | |
Focal Ratio: f5.5 | |
Exposure: 2 min | |
Scope: 8" LX 200 SCT | |
MX-5C CCD Camera | |
Focal Ratio: f4 | |
Exposure: 2 min | |
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Scope: 8" LX 200 SCT |
MX-5C CCD Camera & STAR 2000 Autotracker | |
Focal Ratio: f6.6 | |
Exposure: 10 min | |
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Scope: 8" LX 200 SCT |
MX-5C CCD Camera & STAR 2000 | |
Focal Ratio: f10 | |
Exposure: 15 min | |
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