Daily Sunspot Evaluation

Observation Sheet Saturday, 21 November 1964

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)
2
Number of spots (f)
3
Relative number (R)
23
Observer
AÖ
Reading
all checks consistent
File
19641121.jpg
21.11.1964 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1? – 1 2179W
2? – 2 3762W

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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