Daily Sunspot Evaluation
Observation Sheet Sunday, 23 January 2000
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)
- 18
- Relative number (R)
- 98
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 20000123.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 16 | 74W | 148 | 76W | 2 | |
| 2 | HH – 1 | 18 | 41W | 115 | 43W | 3 | |
| 3 | CRI – 7 | 11 | 24W | 98 | 26W | 7 | |
| 4 | CRO – 3 | 12 | 09E | 65 | 07E | 2.5 | |
| 5 | AX – 1 | 18 | 24E | 50 | 22E | 0.5 | |
| 6 | ? – 1 | -10 | 80W | 154 | 82W | 0.4 | |
| 7 | HA – 2 | -17 | 58W | 132 | 60W | 4 | |
| 8 | CSO – 2 | -30 | 54E | 20 | 52E | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.