Daily Sunspot Evaluation

Observation Sheet Monday, 26 May 1958

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)
15
Number of spots (f)
71
Relative number (R)
221
Observer
AB
Reading
all checks consistent
File
19580526.jpg
26.05.1958 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1A – 4 250
2H – 3 108E
3B – 3 2018E
4T – 3 2132E
5A – 2 2646E
6? – 1 -1480E
7E – 14 -1544E
8A – 1 -2721E
9T – 5 -1510E
10A – 2 -3042W
11? – 1 -2377W
12B – 6 -1041W
13C – 10 1054W
14T – 1 2338W
15B – 15 710W

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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