Daily Sunspot Evaluation

Observation Sheet Friday, 1 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)
15
Number of spots (f)
111
Relative number (R)
261
Observer
MH
Reading
all checks consistent
File
19571101.jpg
01.11.1957 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1A – 4 4143E
2? – 1 3371E
3H – 4 1426E
4? – 1 2176E
5J – 1 -1448E
6D – 9 -1759E
7A – 2 -1637E
8E – 34 -2410W
9C – 14 -1511W
10C – 9 -1441W
11C – 5 -1368W
12A – 1 1253W
13E – 5 2165W
14C – 4 2534W
15D – 17 277W

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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