The Jan Mayen data refer really to Göttingen mean time, but this was only twenty-three minutes late on local time.
The same phenomenon appears at Jan Mayen especially in November, December and January, and it is the normal state of matters in temperate latitudes, where the frequency is usually greatest between 8 and io P.M.
At Jan Mayen (8) in 1882-1883 a scale was employed running from 1, taken as corresponding to the brightness of the milky way, to 4, corresponding to full moonlight.
Movements to the east were twice as numerous at Jan Mayen and thrice as numerous at Traurenberg as movements to the west.
The Jan Mayen data refer really to Göttingen mean time, but this was only twenty-three minutes late on local time.
