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Object: M4 Globular Cluster in Scorpius (NGC 6121) |
Sensor:DSLR Nikon d3 - ISO: 800 - T: ---° Filter: Unfiltered |
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Center RA & Dec: 16h 23m 47.4s -26° 24' 22.5" - Pos Angle: +357° 28.4' - Scale: 4.36"/Pixel |
Exposure: 5 x 300 seconds |
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Date, Time & Number: 2015.07.16 - 22h 35m 59s U.T.C. |
Location: Forca Canapine (PG) - Italy |
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Instruments: Refractor Pentax SDUF II F= 400mm f/4 |
Note Reflex DSLR unmodified |
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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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