Daily Sunspot Evaluation

Observation Sheet Tuesday, 27 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)
8
Number of spots (f)
67
Relative number (R)
147
Observer
SG0
Reading
all checks consistent
File
19901127.jpg
27.11.1990 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1BRO – 4 1031E 259 28E2.5 551
2CAO – 6 1667E 223 64E5 549
3EAC – 21 -532W 322 35W12 540
4CAI – 15 -921W 311 24W7 544
5CAI – 18 -728E 262 25E6 545
6HS – 1 -444E 246 41E1.5 547
7HA – 1 -2257E 233 54E2 548
8? – 1 -1680E 210 77E2 552

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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