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Object: M 7 Region: Ptolemy's Cluster (NGC 6475) |
Sensor: Ccd SBIG ST-10XME - ISO: -- -- - T: -20° Filter: Unfiltered |
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Center RA & Dec: 17h 53m 41s... -34° 42' 40" - Pos Angle: -01° 18' - Scale: 1.89"/Pixel |
Exposure: 10 x 180 seconds |
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Date, Time & Number: 2012.07.16 - 20h 39m 52s U.T.C. |
Location: Forca Canapine (PG) - Italy |
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Instruments: Reflector Flat Field Camera F= 760mm f/4 |
Note Object very low on the horizon |
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Photo: Danilo Pivato © Copyright: - Images & texts 2012 - All rights reserved |
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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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