Daily Sunspot Evaluation
Observation Sheet Monday, 16 July 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)
- 11
- Number of spots (f)
- 87
- Relative number (R)
- 197
- Observer
- MS
- Reading
- all checks consistent
- File
- 20010716.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 5 | 12 | 06W | 151 | 08W | 4 | |
| 2 | HA – 2 | 6 | 04E | 141 | 02E | ~3 | |
| 3 | HA – 5 | 16 | 24E | 121 | 22E | 3 | |
| 4 | DAC – 12 | 9 | 31E | 114 | 29E | 7 | |
| 5 | DSI – 7 | 17 | 37E | 108 | 35E | ~6 | |
| 6 | AX – 1 | 3 | 40E | 105 | 38E | - | |
| 7 | AX – 2 | 9 | 63E | 82 | 61E | - | |
| 8 | DAI – 7 | -9 | 58W | 203 | 60W | 7 | |
| 9 | CAO – 11 | -7 | 20W | 165 | 22W | 6 | |
| 10 | EHC – 24 | -19 | 19W | 164 | 21W | 14 | |
| 11 | EAI – 11 | -23 | 69E | 76 | 67E | 13 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.