Daily Sunspot Evaluation
Observation Sheet Monday, 28 July 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)
- 5
- Number of spots (f)
- 26
- Relative number (R)
- 76
- Observer
- MS
- Reading
- all checks consistent
- File
- 20030728.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAS – 16 | 14 | 30W | 102 | 33W | ~7 | 212 |
| 2 | HR – 2 | 4 | 17W | 89 | 20W | 0.5 | 213 |
| 3 | HS – 1 | 11 | 32E | 40 | 29E | 2 | 210 |
| 4 | HS – 1 | -3 | 68W | 140 | 71W | ~2.5 | 202 |
| 5 | ? – 6 | -8 | 76E | 356 | 73E | ~10 | 214 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.