Daily Sunspot Evaluation

Observation Sheet Wednesday, 31 October 1956

There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →

Number of groups (g)
9
Number of spots (f)
55
Relative number (R)
145
Observer
MH
Reading
all checks consistent
File
19561031.jpg
31.10.1956 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1E – 13 2136E
2E – 11 -1248E
3? – 1 -2671E
4C – 4 -1936E
5B – 16 -3027W
6G – 4 -1822W
7C – 2 -2944W
8? – 3 1572W
9H – 1 1335W

Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.

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