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Strombolian or weak vulcanian-type activity occurred at intervals of 10-20 minutes during the night 21-22 Nov. Since it only contained comparably few incandescent material, which also was 2 orders of magnitude less bright than on 19 / 20 Nov, it was possible to make long exposures at night with f2.8 aperture settings. (Photo: Tom Pfeiffer)
Strombolian or weak vulcanian-type activity occurred at intervals of 10-20 minutes during the night 21-22 Nov. Since it only contained comparably few incandescent material, which also was 2 orders of magnitude less bright than on 19 / 20 Nov, it was possible to make long exposures at night with f2.8 aperture settings. (Photo: Tom Pfeiffer)
Copyright: Tom Pfeiffer
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File: krakatau_k19794.jpg | visti | + 23 immagini simili
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