Daily Sunspot Evaluation
Observation Sheet Friday, 22 March 2002
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)
- 9
- Number of spots (f)
- 49
- Relative number (R)
- 139
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20020322.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 8 | 14 | 54W | 156 | 56W | 6 | |
| 2 | EAO – 5 | 8 | 63E | 39 | 61E | 14 | |
| 3 | ? – 1 | 16 | 77E | 25 | 75E | ? | |
| 4 | ? – 1 | -21 | 80W | 182 | 82W | - | |
| 5 | HS – 1 | -19 | 71W | 173 | 73W | 1 | |
| 6 | ESO – 11 | -20 | 38W | 140 | 40W | 10.5 | |
| 7 | DAI – 14 | -20 | 30E | 72 | 28E | ~9.5 | |
| 8 | HS – 2 | -17 | 49E | 53 | 47E | 1 | |
| 9 | CAO – 6 | -15 | 57E | 45 | 55E | 6 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.