Daily Sunspot Evaluation

Observation Sheet Friday, 7 January 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)
7
Number of spots (f)
25
Relative number (R)
95
Observer
OG
Reading
all checks consistent
File
19830107.jpg
07.01.1983 photosphere drawing

Sunspot groups

NoGroup (class – spots) BΔ LLΔ LfU Margin no.
1HAX – 2 -10657W 213 60W4 1
2OKT – 12 -1635W 191 38W9 8
3HAX – 2 -721E 135 18E1 10
4HAX – 1 -1824E 132 21E2 9
5DAC – 6 -1326E 130 23E8 12
6HAX – 1 -842E 114 39E15 13
7HSX – 1 -961E 95 58E2 14

Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.

‹ Previous Sheets of 1983 Next ›