Daily Sunspot Evaluation

Observation Sheet Tuesday, 13 November 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)
10
Number of spots (f)
113
Relative number (R)
213
Observer
ET
Reading
all checks consistent
File
19561113.jpg
13.11.1956 photosphere drawing

Sunspot groups

NoGroup (class – spots) rp Margin no.
1F – 23 -1239
2B – 6 -92
3E – 14 -1810
4F – 33 -2324
5C – 4 -1947
6B – 3 -1857
7D – 15 2339
8J – 1 2957
9J – 1 1613
10C – 13 172

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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