Daily Sunspot Evaluation

Observation Sheet Tuesday, 15 May 2001

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)
6
Number of spots (f)
43
Relative number (R)
103
Observer
TÇ
Reading
all checks consistent
File
20010515.jpg
15.05.2001 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1CSO – 5 535W 281 38W~6.5
2EAC – 11 1214E 232 11E~13.5
3HS – 1 -2259W 305 62W2
4CRI – 5 -1350W 296 53W~4
5FAC – 20 -1929W 275 32W17
6AX – 1 -2358E 188 55E-

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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