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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Around 1928?
Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Knut Straumsgård, measuring
ozone, using the Dobson instrument. |
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Spektrograf,
Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Instruments,
Auroral Observatory, Tromsø |
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Main building,
Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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(?) |
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(?) |
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(?) |
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(?) |
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Auroral Observatory, Tromsø |
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Main building,
Auroral Observatory, Tromsø |
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Main building,
Auroral Observatory, Tromsø |
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Verksted,
Auroral Observatory, Tromsø |
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Verksted,
Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Verksted,
Auroral Observatory, Tromsø |
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Auroral Observatory, Tromsø |
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Correct time,
Auroral Observatory, Tromsø |
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Verksted,
Auroral Observatory, Tromsø |
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(?) |
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Measuring ozone,
Dobson instrument |
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Auroral Observatory, Tromsø |
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Geomagnetic variometer hut,
Auroral Observatory, Tromsø |
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Instrument,
Auroral Observatory, Tromsø |
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Correct time,
Auroral Observatory, Tromsø |
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Observatory buildings |
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(?) |
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(?) |
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Auroral Observatory, Tromsø |
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Geomagnetic variometer
instruments inside the
variometer hut.
Auroral Observatory, Tromsø |
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Office |
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Aurora |
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Variometer hut
Auroral Observatory, Tromsø |
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All sky photo |
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Dobson ozone instrument
Auroral Observatory, Tromsø |
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Buildings,
Auroral Observatory, Tromsø |
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Buildings,
Auroral Observatory, Tromsø |
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(?) |
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Building,
Auroral Observatory, Tromsø |
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(?) |
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Auroral Observatory, Tromsø |
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Ozone measurement,
Auroral Observatory, Tromsø |
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Ozone measurement,
Auroral Observatory, Tromsø |
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(?) |
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Sun |
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(?) |
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(?) |
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