Daily Sunspot Evaluation
Observation Sheet Tuesday, 22 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)
- 10
- Number of spots (f)
- 48
- Relative number (R)
- 148
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20010522.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 4 | 8 | 64W | 218 | 67W | 3.5 | |
| 2 | HS – 2 | 22 | 09W | 163 | 12W | 2 | |
| 3 | HS – 1 | 19 | 18E | 136 | 15E | 1.5 | |
| 4 | EHC – 27 | 7 | 27E | 127 | 24E | 1.4 | |
| 5 | HS – 2 | 6 | 65E | 89 | 62E | ~1 | |
| 6 | HA – 4 | -12 | 10W | 164 | 13W | ~1.5 | |
| 7 | AX – 2 | -5 | 37E | 117 | 34E | 0.5 | |
| 8 | HA – 1 | -10 | 34E | 120 | 31E | ~1 | |
| 9 | HR – 4 | -12 | 45E | 109 | 42E | 1.5 | |
| 10 | HS – 1 | -7 | 53E | 101 | 50E | 1.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.