on August 31, 2005, two of our dedicated astronomy students Soeren Boenloekke and Benny Cords Pedersen were working at the observatory when they discovered auroras in the northern sky.
They reacted promptly and moved the photographic equipment into the country side where they took a number of photographs.
Data : CANON Eos 10D - 2331 (2131UT) to 2337 (2137UT) - 60 sec exposure time each. Part of the well known "Big Dipper" is visible to the upper left.
Click for large animation (800 kBytes)
These images are copyfree - provided that our two young photographers are credited.
Unfortunately the brightness decreased quite fast, but still, the next time we will be better prepared.
DATA : Kp index was as low as 5-6 ...
Click to see the Official NOAA Kp indices during that night
Click to see the US Air Force Kp indices
Aurora images from previous nights, at which the Kp index sometimes did run up to 8-9 .
World Wide Aurora Images from this autumn - as shown on spaceweather.
Send an email to Astronomy Students and teachers at the EUC Syd and AGS Observatory in Sonderborg
Auroras - how to become warned by email - Space Weather tricks - (end of page)
