Daily Sunspot Evaluation
Observation Sheet Saturday, 16 March 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)
- 8
- Number of spots (f)
- 58
- Relative number (R)
- 138
- Observer
- MB
- Reading
- all checks consistent
- File
- 20020316.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 4 | 18 | 39W | 220 | 41W | ~3 | |
| 2 | HR – 1 | 16 | 66E | 115 | 64E | ~0.5 | |
| 3 | EKO – 27 | -10 | 10W | 191 | 12W | ~14.5 | |
| 4 | HS – 1 | -21 | 02E | 179 | 00 | 2 | |
| 5 | BXO – 9 | -32 | 05E | 176 | 03E | ~6.5 | |
| 6 | BXO – 7 | -18 | 15E | 166 | 13E | ~4 | |
| 7 | AX – 1 | -23 | 34E | 147 | 32E | - | |
| 8 | ESO – 8 | -20 | 42E | 139 | 40E | ~11 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.