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Gallery > In the sky > Comparison between two rainbows at 20 minutes apart.
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Comparison between two rainbows at 20 minutes apart.
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This composite show the rainbow at 20 minutes apart, respectively 23 (left picture) and 3 minutes (right picture) before the sunset.
Three things are easily visible:
- The rainbow is shifting to the right (the South), because the Sun is shifting to the right (the North) while setting in the Northern Hemisphere.
- The rainbow is taller in the right picture (taken later), because the Sun is lower.
- Green and blue colors still faintly visible in the left picture have disappeared in the right picture, because the Sun lost gradually those two colors to tint itself in red-orange.
Seen 21543 times See the next picture of that series.
Instrument   27 mm focal length, composite of 2 pictures
Exposure & film   1/8 & 1/3 s with digital camera Camedia 5060
Date & place   May 2, 2005, Quimper

 The others pictures of "Rainbows"
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 |

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