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Object: NGC 2261 Hubble's Variable Nebula in Luminance |
Sensor: Ccd ST-10XME ISO: T: -20° Filter: Luminance |
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Center RA & Dec: 06h 39m 04s +08° 43' 46" - Pos Angle: -00° 24' - Scale: 1.86"/Pixel |
Exposure: 20 x 180 seconds |
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Date, Time & Number: 2011.03.09 - 18h 34m 03s U.T.C. |
Location: Rome - Italy |
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Instruments: Reflector Flat Field Camera F= 760mm f/4 |
Note Pulse of dithering 1à setup |
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Photo: Danilo Pivato © Copyright: - Images & texts 2013 - All rights reserved |
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Map |
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Comparisons in 20 years |
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The Photographic History of Hubble's Variable Nebula 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 760mm |
Focal Length 1268mm |
Focal Length 2100mm |
Focal Length 2910mm |
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