Daily Sunspot Evaluation

Observation Sheet Monday, 1 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)
11
Number of spots (f)
49
Relative number (R)
159
Observer
FY
Reading
all checks consistent
File
19561001.jpg
01.10.1956 photosphere drawing

Sunspot groups

NoGroup (class – spots) rp Margin no.
1H – 5 210
2A – 1 331
3? – 5 2073
4B – 3 -2850
5E – 13 -2823
6B – 3 -1443
7A – 1 -1858
8A – 1 1633
9D – 8 1848
10J – 1 2262
11C – 8 4652

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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