Daily Sunspot Evaluation
Observation Sheet Tuesday, 19 June 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)
- 9
- Number of spots (f)
- 129
- Relative number (R)
- 219
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20010619.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 3 | 21 | 53W | 196 | 55W | ~3 | |
| 2 | BXO – 5 | 10 | 26W | 169 | 28W | 4 | |
| 3 | FKC – 57 | 15 | 04E | 139 | 02E | 17 | |
| 4 | HK – 12 | 6 | 07E | 136 | 05E | 5 | |
| 5 | HA – 5 | 20 | 15E | 128 | 13E | ~2 | |
| 6 | FKI – 27 | 17 | 31E | 112 | 29E | ~23 | |
| 7 | HA – 8 | -15 | 27W | 170 | 29W | 3 | |
| 8 | BXO – 7 | -27 | 11W | 154 | 13W | 8 | |
| 9 | BXO – 5 | -11 | 06E | 137 | 04E | ~4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.