Daily Sunspot Evaluation
Observation Sheet Tuesday, 13 June 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)
- 11
- Number of spots (f)
- 120
- Relative number (R)
- 230
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20000613.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HH – 1 | 21 | 67W | 67 | 69W | 3 | |
| 2 | CSB – 6 | 14 | 48W | 48 | 50W | 5.5 | |
| 3 | DAI – 11 | 17 | 29W | 29 | 31W | ~9 | |
| 4 | DAO – 18 | 7 | 28W | 28 | 30W | 6 | |
| 5 | FKC – 43 | 23 | 16W | 16 | 18W | 19 | |
| 6 | CRO – 3 | 25 | 12E | 348 | 10E | 4 | |
| 7 | DSI – 21 | 20 | 19E | 341 | 17E | 9 | |
| 8 | HK – 3 | 19 | 56E | 304 | 54E | ~4 | |
| 9 | ? – 5 | 20 | 80E | 280 | 78E | - | |
| 10 | HS – 1 | -10 | 16W | 16 | 18W | 1.5 | |
| 11 | HK – 8 | -21 | 19E | 341 | 17E | 4.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.