Daily Sunspot Evaluation

Observation Sheet Monday, 17 November 1980

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)
8
Number of spots (f)
81
Relative number (R)
161
Observer
TÖ
Reading
all checks consistent
File
19801117.jpg
17.11.1980 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1HAX – 2 1722W 44 23W1
2DAI – 12 1817W 39 18W5
3DAI – 26 1721E 1 20E11.5
4BXO – 2 1153E 329 52E4
5ELC – 12 1368E 314 67E11
6HAX – 1 1573E 309 72E2
7FKC – 25 -1275W 97 76W19
8HJA – 1 -1731E 351 30E2.25

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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