Daily Sunspot Evaluation
Observation Sheet Wednesday, 17 March 1976
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)
- 2
- Number of spots (f)
- 16
- Relative number (R)
- 36
- Observer
- FA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19760317.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 14 | 4 | 27E | 196 ⚠ | 25E | ||
| 2 | B – 2 | -8 | 33E | 180 ⚠ | 31E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.