Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 February 2002
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)
- 13
- Number of spots (f)
- 93
- Relative number (R)
- 223
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20020227.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 3 | 26 | 46W | 90 | 47W | ~3 | 103 |
| 2 | HA – 2 | 8 | 15W | 59 | 16W | 0.5 | |
| 3 | DAC – 25 | 22 | 13W | 57 | 14W | ~9.5 | |
| 4 | AX – 2 | 12 | 09W | 53 | 10W | 0.5 | 102 |
| 5 | EHC – 16 | 17 | 29E | 15 | 28E | 10.5 | |
| 6 | DAO – 5 | -4 | 73W | 117 | 74W | ~10 | 100 |
| 7 | BAO – 8 | -19 | 66W | 110 | 67W | ~10.5 | |
| 8 | DKO – 5 | -20 | 55W | 99 | 56W | ~8 | |
| 9 | AX – 1 | -8 | 51W | 95 | 52W | - | 104 |
| 10 | BXI – 9 | -27 | 01E | 43 | 00 | 4.5 | |
| 11 | DAI – 14 | -20 | 14E | 30 | 13E | ~5 | |
| 12 | AX – 1 | -13 | 14E | 30 | 13E | - | BXO-2 |
| 13 | AX – 2 | -14 | 20E | 24 | 19E | 0.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.