| Description | Marine observer reports, air observer forms, land observer and meteorological office reports including LDs, and Balfour Stewart Auroral Laboratory EP summary tables of received observations.
Observations are chiefly made from the following places: the United Kingdom, Eire, Iceland, the Netherlands, Canada, Denmark, the Faroe Islands and the Atlantic. File also includes an observation from a ship travelling from Rotterdam to Port Churchill, Canada, on the Artic Ocean. |