Daily Sunspot Evaluation

Observation Sheet Monday, 4 November 1957

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)
18
Number of spots (f)
100
Relative number (R)
280
Observer
FY
Reading
all checks consistent
File
19571104.jpg
04.11.1957 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1J – 2 3338E
2J – 1 2142E
3J – 2 2662E
4? – 1 2379E
5J – 1 1567E
6A – 1 -1837E
7? – 1 -3277E
8A – 1 -2535E
9D – 19 -1724E
10J – 1 -1412E
11A – 2 -1720W
12E – 17 -2441W
13B – 8 -1642W
14? – 3 -1578W
15A – 2 -1065W
16J – 3 2569W
17E – 32 2642W
18H – 3 149W

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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