Daily Sunspot Evaluation
Observation Sheet Thursday, 3 May 2001
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)
- 66
- Relative number (R)
- 146
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20010503.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EHC – 18 | 6 | 34W | 79 | 37W | 12 | |
| 2 | EAC – 25 | 12 | 17W | 62 | 20W | 10.5 | |
| 3 | HS – 1 | 27 | 20W | 65 | 23W | ~2 | |
| 4 | EAC – 17 | 24 | 19E | 26 | 16E | ~19 | |
| 5 | HK – 2 | 21 | 58E | 347 | 55E | 3.5 | |
| 6 | HA – 1 | -10 | 76W | 121 | 79W | ~2 | |
| 7 | HS – 1 | -3 | 15E | 30 | 12E | 0.5 | |
| 8 | HK – 1 | -17 | 69E | 336 | 66E | 2.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.