Observations of the aurora borealis from Glen Ullin, North Dakota, 1981-2011
2013 September 30
This paper examines the frequency with which the aurora borealis was observed from Glen Ullin, North Dakota by Jay Brausch in comparison to sunspot and geomagnetic activity.
| The British Astronomical Association supports amateur astronomers around the UK and the rest of the world. Find out more about the BAA or join us. |