Daily Sunspot Evaluation

Observation Sheet Wednesday, 12 July 2000

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)
13
Number of spots (f)
156
Relative number (R)
286
Observer
AK0
Reading
counts consistent, some coordinates doubtful
File
20000712.jpg
12.07.2000 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1FKC – 26 1858W 292 59W~19
2FKC – 65 1725E 210 24E21
3CAO – 3 2146E 189 45E6
4HS – 1 2757E 184 ⚠ 50E1.5
5AX – 2 1861E 174 60E~1
6? – 4 1680E 155 79E?
7DAI – 8 365E 170 64E10
8DAE – 3 -1975W 210 ⚠ 76W10
9FKC – 20 -1857W 292 58W16
10EKC – 13 -2139W 279 ⚠ 40W13
11CAI – 4 -2100 235 01W5.5
12HB – 1 -2636E 199 35E2.5
13CAI – 6 -1029E 206 28E4

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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