Daily Sunspot Evaluation
Observation Sheet Monday, 4 April 2005
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)
- 3
- Number of spots (f)
- 9
- Relative number (R)
- 39
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20050404.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 7 | 5 | 25W | 248 | 26W | ~8 | |
| 2 | HS – 1 | 23 | 16E | 207 | 15E | ~1 | |
| 3 | HS – 1 | 2 | 59E | 164 | 58E | ~1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.