Daily Sunspot Evaluation
Observation Sheet Saturday, 15 March 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)
- 7
- Number of spots (f)
- 36
- Relative number (R)
- 106
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030315.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 2 | 1 | 65W | 121 | 67W | 1 | 61 |
| 2 | HK – 3 | 5 | 24W | 80 | 26W | 6 | 56 |
| 3 | HA – 2 | 31 | 20W | 76 | 22W | 1 | 60 |
| 4 | HA – 2 | 35 | 15W | 71 | 17W | 1 | 62 |
| 5 | HS – 1 | 9 | 12W | 68 | 14W | 1 | 58 |
| 6 | CAO – 9 | -12 | 26W | 82 | 28W | 5 | 57 |
| 7 | EAI – 17 | -14 | 05W | 61 | 07W | 10.5 | 63 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.