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Object: M4 Globular Cluster in Scorpius (NGC 6121) |
Sensor: Ccd ST-10XME - T: -20° Filter: Luminance |
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Center RA & Dec: 16h 23m 21.1s -26° 31' 14.5" - Pos Angle: +01° 14.5' - Scale: 1.89"/Pixel |
Exposure: 9 x 180 seconds |
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Date, Time & Number: 2012.07.17 - 20h 25m 30s U.T.C. |
Location: Forca Canapine (PG) - Italy |
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Instruments: Reflector Lichtenknecker Optics Flat Field Camera F= 743mm mm f/4 |
Note Pulse of dithering 1à setup |
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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 Globular Cluster M4 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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