Observations of the aurora borealis from Glen Ullin, North Dakota, 1981-2011
Thirty years of aurora observations from Glen Ullin, North Dakota, are analysed
Read moreThirty years of aurora observations from Glen Ullin, North Dakota, are analysed
Read moreCCD observations of the first 200 days of a Type Ia supernova are presented.
Read moreMartin Mobberley describes the Annual Dinners of the BAA held in London just before World War II, and attempts to identify the people who attended them from photographs and surviving records.
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