Daily Sunspot Evaluation
Observation Sheet Friday, 28 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)
- 8
- Number of spots (f)
- 71
- Relative number (R)
- 151
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030328.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 5 | 4 | 39W | 284 | 42W | ~2 | 75 |
| 2 | DKI – 23 | 12 | 07W | 252 | 10W | ~9.5 | 66 |
| 3 | EAO – 27 | 4 | 34E | 211 | 31E | 10.5 | 69 |
| 4 | HM – 1 | 12 | 75E | 170 | 72E | 3 | 76 |
| 5 | DRO – 5 | -15 | 04E | 241 | 01E | 7 | 67 |
| 6 | DAO – 6 | -8 | 21E | 224 | 18E | 6.5 | 73 |
| 7 | HA – 3 | -14 | 63E | 182 | 60E | 3.5 | 74 |
| 8 | ? – 1 | -13 | 82E | 163 | 79E | 2.5 | 77 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.