Daily Sunspot Evaluation

Observation Sheet Sunday, 25 November 1990

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)
7
Number of spots (f)
75
Relative number (R)
145
Observer
HÇ0
Reading
all checks consistent
File
19901125.jpg
25.11.1990 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1FKC – 28 1870W 26 73W22 532
2AX – 5 -1930W 346 33W1 535
3EAC – 26 -405W 321 08W11 540
4AX – 4 -907E 309 04E3 544
5BRI – 10 -757E 259 54E7 545
6HA – 1 -473E 243 70E2 547
7? – 1 -2278E 238 75E2 548

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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