Daily Sunspot Evaluation

Observation Sheet Wednesday, 5 September 1973

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)
65
Relative number (R)
135
Observer
ED
Reading
all checks consistent
File
19730905.jpg
05.09.1973 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1H – 14 1411°E 166 153
2D – 16 -1341°E 136 166
3G – 10 -1814°E 163 162
4H – 12 -1417°W 134 157
5G – 2 -1371°W 248 158
6J – 1 1584°W 261 153
7D – 10 2224°W 201 163

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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