Daily Sunspot Evaluation

Observation Sheet Sunday, 1 April 1956

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)
44
Relative number (R)
114
Observer
AK
Reading
all checks consistent
File
19560401.jpg
01.04.1956 photosphere drawing

Sunspot groups

NoGroup (class – spots) rp Margin no.
1A – 1 0.7733
2A – 2 0.8937
3J – 3 0.28152
4B – 11 0.74218
5J – 3 0.44220
6A – 5 0.95223
7C – 19 0.73290

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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