Daily Sunspot Evaluation
Observation Sheet Thursday, 9 May 2002
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)
- 12
- Number of spots (f)
- 65
- Relative number (R)
- 185
- Observer
- AK0
- Reading
- counts consistent, some coordinates doubtful
- File
- 20020509.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 18 | 22W | 220 ⚠ | 25W | ||
| 2 | DAI – 8 | 16 | 12E | 176 | 09E | ||
| 3 | BYI – 6 | 9 | 17E | 171 | 14E | ||
| 4 | AT – 3 | -21 | 54W | 242 | 57W | ||
| 5 | AT – 2 | -27 | 41W | 229 | 44W | ||
| 6 | HR – 1 | -22 | 25W | 223 ⚠ | 28W | ||
| 7 | HS – 2 | -30 | 30W | 218 | 33W | ||
| 8 | DHC – 21 | -17 | 23W | 211 | 26W | ||
| 9 | HS – 7 | -9 | 02W | 190 | 05W | ||
| 10 | HS – 2 | -5 | 02E | 186 | 01W | ||
| 11 | BYI – 7 | -9 | 19E | 169 | 16E | ||
| 12 | PHO – 5 | -5 | 56E | 122 ⚠ | 53E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.