Daily Sunspot Evaluation

Observation Sheet Thursday, 22 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)
6
Number of spots (f)
90
Relative number (R)
150
Observer
TA
Reading
all checks consistent
File
19901122.jpg
22.11.1990 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1AX – 3 1876°W 72 79°W3° 535
2FKC – 67 1929°W 25 32°W23° 539
3CAO – 7 -1749°W 45 52°W7° 535
4HA – 5 -1810°E 346 07°E2.5 540
5BXO – 4 -537°E 319 34°E4 540
6BXI – 4 -1047°E 309 44°E4.5 540

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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