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Object: M12/NGC 6218 Globular Cluster in Ophiuchus |
Sensor: CCD SBIG ST-10XME T: -8° C. Filter: Luminance |
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Center RA & Dec: 16h 47m 15,158s -01° 56' 25.643" - Pos Angle: +359° 09.8' - Scale: 0.68"/Pixel |
Exposure: 2 x 300 seconds |
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Date, Time & Number: 2016.07.02 - 21h 54m 40s U.T.C. |
Location: Roma - Italy |
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Instruments: Reflector Takahashi Mewlon 300mm F= 2150mm f/7.2 |
Note Pulse of dithering 1à setup |
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Photo: Danilo Pivato © Copyright: - Images & texts 2016 - All rights reserved |
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Map |
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The Photographic History of the M12 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 600mm |
Focal Length 760mm |
Focal Length 1268mm |
Focal Length 2100mm |
Focal Length 2910mm |
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