Daily Sunspot Evaluation

Observation Sheet Tuesday, 6 September 1988

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)
47
Relative number (R)
117
Observer
HÇ
Reading
all checks consistent
File
19880906.jpg
06.09.1988 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1AX – 1 2072W 279 75W- 197
2AX – 2 1647W 254 50W0.5 208
3BRO – 6 1824W 231 27W5.5 209
4AX – 3 3349E 158 46E1 207
5EKO – 32 -2147W 254 50W16 201
6AX – 1 -2710W 217 13W- 211
7HR – 2 -1962E 145 59E1.5 210

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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