Daily Sunspot Evaluation
Observation Sheet Wednesday, 30 January 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)
- 15
- Number of spots (f)
- 119
- Relative number (R)
- 269
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20020130.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FRC – 51 | 7 | 07E | 47 | 04E | ~19 | |
| 2 | AX – 3 | 8 | 21E | 33 | 18E | 1 | |
| 3 | AX – 6 | 14 | 47E | 5 | 46E | 3 | |
| 4 | HS – 1 | 10 | 53E | 1 | 50E | 1 | |
| 5 | HA – 2 | -9 | 82W | 136 | 85W | 4 | 51 |
| 6 | BXO – 2 | -25 | 78W | 132 | 81W | 4 | |
| 7 | AX – 1 | -6 | 76W | 130 | 79W | - | |
| 8 | BRO – 4 | -25 | 24W | 78 | 27W | 3.5 | |
| 9 | AX – 2 | -7 | 05W | 59 | 08W | 1.5 | |
| 10 | HS – 6 | -3 | 21E | 33 | 18E | 3 | |
| 11 | ESC – 34 | -16 | 31E | 23 | 28E | ~12 | |
| 12 | AX – 1 | -28 | 31E | 23 | 28E | - | |
| 13 | AX – 1 | -28 | 40E | 14 | 37E | - | |
| 14 | AX – 3 | -14 | 44E | 10 | 41E | 1 | |
| 15 | ? – 2 | -26 | 83E | 331 | 80E | 5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.