Daily Sunspot Evaluation
Observation Sheet Monday, 12 May 2003
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)
- 6
- Number of spots (f)
- 13
- Relative number (R)
- 73
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030512.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 10 | 71W | 82 | 73W | 2.5 | 113 |
| 2 | HA – 1 | 15 | 32E | 339 | 30E | 2 | 120 |
| 3 | BXO – 3 | 8 | 34E | 337 | 32E | ~4 | 122 |
| 4 | HR – 1 | 22 | 60E | 311 | 58E | 0.5 | 125 |
| 5 | AX – 4 | -17 | 08W | 19 | 10W | ~2 | 124 |
| 6 | DAO – 3 | -19 | 65E | 306 | 63E | 9 | 123 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.