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Object: M7 (NGC6475) - Ptolemy's Cluster in Scorpius |
Sensor: Ccd SBIG ST-10XME - ISO: --- - T: -11° Filter: Unfiltered |
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Center RA & Dec: 17h 53m 49.3s -34° 46' 52.5" - Pos Angle: +00° 57.0'' - Scale: 1.11"/Pixel |
Exposure: 8 x 180 seconds |
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Date, Time & Number: 2017.05.28 - 00h 53m 53s U.T.C. |
Location: Rome - Italy |
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Instruments: Reflector Takahashi BRC250 F=1268mm f/5 |
Note: Very bad seeing |
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Photo: Danilo Pivato © Copyright: - Images & texts 2017 - All rights reserved |
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Screen shot of the first frame |
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Map |
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The Photographic History of the Open Cluster M7 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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