Daily Sunspot Evaluation
Observation Sheet Wednesday, 23 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)
- 12
- Number of spots (f)
- 58
- Relative number (R)
- 178
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20010523.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 2 | 7 | 75W | 216 | 78W | ~8 | |
| 2 | HA – 7 | 21 | 22W | 163 | 25W | 2 | |
| 3 | HS – 4 | 18 | 06E | 135 | 03E | 2 | |
| 4 | FAC – 22 | 7 | 13E | 128 | 10E | ~15 | |
| 5 | DAC – 11 | 5 | 49E | 92 | 46E | 7 | |
| 6 | HA – 1 | 12 | 7HE | 70 | 68E | 2 | |
| 7 | HS – 1 | -16 | 22W | 163 | 25W | ~1 | |
| 8 | AX – 1 | -14 | 08E | 133 | 05E | - | |
| 9 | HS – 1 | -10 | 20E | 121 | 17E | ~1 | |
| 10 | AX – 2 | -5 | 24E | 117 | 21E | 1 | |
| 11 | AX – 5 | -10 | 30E | 111 | 27E | ~2.5 | |
| 12 | HS – 1 | -7 | 38E | 103 | 35E | ~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.