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Object: M4 Globular Cluster in Scorpius (NGC 6121) |
Sensor: Ccd ST-10XME - T: -15° Filter: Luminance |
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Center RA & Dec: 16h 23m 35.8s -26° 30' 59.53" - Pos Angle: +359° 19.0' - Scale: 1.11"/Pixel |
Exposure: 4 x 600 seconds |
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Date, Time & Number: 2015.07.16 - 20h 36m 26s U.T.C. |
Location: Forca Canapine (PG) - Italy |
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Instruments: Reflector Takahashi BRC250 F= 1269mm f/5 |
Note Pulse of dithering 1à setup |
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Photo: Danilo Pivato © Copyright: - Images & texts 2015 - 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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