Daily Sunspot Evaluation
Observation Sheet Monday, 17 May 2004
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)
- 43
- Relative number (R)
- 113
- Observer
- HE
- Reading
- all checks consistent
- File
- 20040517.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 14 | 9 | 38W | 192 | 41W | 8 | 85 |
| 2 | HK – 3 | 16 | 62E | 92 | 59E | ~3 | 88 |
| 3 | HR – 1 | 6 | 66E | 88 | 63E | 0.5 | 89 |
| 4 | ? – 3 | -7 | 78W | 232 | 81W | ? | 87 |
| 5 | CAI – 5 | -10 | 43W | 197 | 46W | 4.5 | 80 |
| 6 | DKO – 16 | -3 | 22W | 176 | 25W | 8 | 83 |
| 7 | HS – 1 | -9 | 35E | 119 | 32E | 2 | 86 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.