Daily Sunspot Evaluation
Observation Sheet Wednesday, 19 July 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)
- 17
- Number of spots (f)
- 210
- Relative number (R)
- 380
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20000719.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ESI – 15 | 17 | 64W | 308 | 67W | 13 | |
| 2 | DKI – 12 | 21 | 44W | 288 | 47W | 9 | |
| 3 | EKI – 27 | 20 | 27W | 269 | 30W | 12 | |
| 4 | HS – 1 | 3 | 26W | 270 | 29W | 2 | |
| 5 | EKO – 18 | 13 | 11W | 255 | 14W | 12.5 | |
| 6 | CSC – 8 | 22 | 04W | 248 | 07W | -7 | |
| 7 | FHC – 36 | 11 | 43E | 201 | 40E | 20 | |
| 8 | ? – 1 | 14 | 85E | 159 | 82E | ? | |
| 9 | DKI – 8 | 6 | 76E | 168 | 73E | -10 | |
| 10 | BXO – 2 | -12 | 65W | 309 | 68W | 11 | |
| 11 | HS – 1 | -28 | 53W | 297 | 56W | 2 | |
| 12 | CSI – 5 | -27 | 27W | 271 | 30W | 45 | |
| 13 | AX – 1 | -3 | 10W | 254 | 13W | - | |
| 14 | FHC – 68 | -13 | 09E | 235 | 06E | 15.5 | |
| 15 | HS – 4 | -6 | 38E | 206 | 35E | 5.5 | |
| 16 | HK – 2 | -13 | 72E | 172 | 69E | 3 | |
| 17 | HA – 1 | -24 | 47E | 197 | 44E | -2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.