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The others pictures of "Iridium Flashes" |
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Iridium 58, magnitude -6 |
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Tonight, back from the restaurant, I notice an Iridium flare on Calsky.com at magnitude -6.4. I have half an hour before the flash. It's enough to prepare it: I locate the place in the sky, synchronise my clock, make the settings on my 350D DSLR: 200 ASA, 50 mm, f5.6, bulb.
Once out, I focus in autofocus on a remote street light and turn the focus on manual. Then I move to the little woods next my house, facing a hole in the trees. I have 5 minutes before the flash. I center the frame, look again to the DSLR settings, try my personnal remote control then look the clock and the sky. A few seconds before the flare, I notice Iridium 58 and launch the pose.
After about 45 s, I stop when I see Iridium behind the branches. In the box!
Notice the faint trail between the flash and the bottom of the picture. It's Iridium 94 (thanks to Alphonse Pouplier who help me to identify it) which disappears not because of the break of the photo, but because it enters in Earth's shadow. |
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| Instrument |
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50 mm focal length |
| Exposure & film |
47 s with digital camera Canon 350D + Sigma 18-50 1:2.8 |
| Date & place |
August 29, 2006, Quimper |
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The others pictures of "Iridium Flashes" |
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| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |
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A Shower of
Stars in Brittany
Brittany by night
in panorama!
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