Daily Sunspot Evaluation

Observation Sheet Thursday, 6 March 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)
11
Number of spots (f)
113
Relative number (R)
223
Observer
WG
Reading
all checks consistent
File
19580306.jpg
06.03.1958 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1D – 13 3212E
2C – 2 1726E
3C – 2 2336E
4A – 1 -116E
5B – 2 -1222E
6A – 2 -1833E
7F – 53 -1715E
8C – 6 -2465W
9E – 14 -1261W
10A – 2 -566W
11D – 16 242W

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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