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Table 2.

Means of the absolute value of the differences between the extrapolated neutral line latitudes and that of the observed streamers and the standard deviation of these differences for the two streamer axes.

Method 1 Method 2 Method 3
Method 4
( ° ) 7 Dec. 20 Dec. 3 Jan. 7 Dec. 20 Dec. 3 Jan.
Case 1 Mean 9 14 18 23 20 18 12 16
Std 12 15 17 21 20 21 11 20
Case 2 Mean 15 10 18 18 16 23 10 22
Std 16 12 21 24 18 27 12 26

Notes. Discussion is in the text.

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