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Object: M 13 Great Globular Cluster in Hercules (NGC6205) |
Sensor: Ccd ST-10XME @ -18° Filter: Luminance |
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Center RA & Dec: 16h 41m 52s +36° 28' 36" Pos Angle: -00° 37' - Scale: 3.50"/Pixel |
Exposure:12 x 300 seconds |
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Date & Number: 2007.04.22 - 02h 18m 54s U.T. |
Location Mt. Tolfa (Rome) - Italy |
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Instruments: Pentax SDUF II 400mm f/4 |
Note: |
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Photo: Danilo Pivato © Copyright: - Images & texts 2020 - All rights reserved |
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Map |
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The Photographic History of the M13 Globular Cluster through different focal lengths |
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Focal Length 50mm |
Focal Length 100mm |
Focal Length 200mm |
Focal Length 300mm |
Focal Length 400mm |
Focal Length 500mm |
Focal Length 760mm |
Focal Length 1268mm |
Focal Length 2100mm |
Focal Length 2910mm |
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M13 d810: 5.6° x 8,4° |
M13 Sbig L: 1,9° x 2,8° |
M13 Sbig L:1,4° x 2,1° |
M13 d810a: 2,8° x 4,19° |
M13 Sbig L: 0,75° x 1,1° |
M13 Sbig L: 0,34° x 0,68° |
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M13 qhy600 no: 1,1° x1,6° |
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