Daily Sunspot Evaluation
Observation Sheet Sunday, 30 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)
- 11
- Number of spots (f)
- 36
- Relative number (R)
- 146
- Observer
- NA
- Reading
- all checks consistent
- File
- 20000730.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 3 | 7 | 78W | 174 | 79W | ? | |
| 2 | HS – 1 | 15 | 63W | 159 | 64W | ~2 | |
| 3 | DSI – 13 | 10 | 19W | 115 | 20W | ~9 | |
| 4 | HS – 1 | 16 | 47E | 49 | 46E | ~2 | |
| 5 | AX – 1 | -11 | 52W | 148 | 53W | - | |
| 6 | HH – 1 | -30 | 35W | 131 | 36W | ~25 | |
| 7 | AX – 1 | -13 | 22W | 118 | 23W | - | |
| 8 | HS – 1 | -20 | 32E | 64 | 31E | ~2 | |
| 9 | BXO – 6 | -6 | 34E | 62 | 33E | ~45 | |
| 10 | ERB – 7 | -17 | 64E | 32 | 63E | 10 | |
| 11 | ? – 1 | -20 | 76E | 22 | 75E | ? |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.