Daily Sunspot Evaluation
Observation Sheet Monday, 19 July 1999
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)
- 7
- Number of spots (f)
- 44
- Relative number (R)
- 114
- Observer
- ıH
- Reading
- counts consistent, some coordinates doubtful
- File
- 19990719.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 5 | 18 | 78W | 113 | 81W | 10 | Dao-3 |
| 2 | DAO – 8 | 12 | 32W | 67 | 35W | 6 | |
| 3 | HA – 8 | 11 | 18W | 53 | 21W | 3 | |
| 4 | EKC – 14 | 20 | 59E | 336 | 56E | 13.5 | |
| 5 | HR – 1 | 25 | 68E | 321 ⚠ | 65E | - | |
| 6 | CAO – 7 | -13 | 63W | 98 | 66W | 14 | Eao-3 |
| 7 | HR – 1 | -9 | 64E | 331 | 61E | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.