Daily Sunspot Evaluation

Observation Sheet Sunday, 27 March 1983

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)
20
Relative number (R)
80
Observer
HM
Reading
all checks consistent
File
19830327.jpg
27.03.1983 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1DAI – 5 2174W 269 76W8 90
2HAX – 2 -1270W 265 72W2 69
3CAI – 7 -1539E 156 37E4.5 32
4HSX – 1 -1050E 145 48E1.5 73
5CAX – 3 -1768E 127 66E4 34
6AXX – 2 -2273E 122 71E3 75

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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