Daily Sunspot Evaluation
Observation Sheet Tuesday, 19 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)
- 5
- Number of spots (f)
- 37
- Relative number (R)
- 87
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20020319.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 3 | 16 | 31E | 110 | 29E | -2.5 | |
| 2 | ESO – 7 | -10 | 50W | 191 | 52W | 10.5 | |
| 3 | OSO – 3 | -21 | 38W | 179 | 40W | 3.5 | 121 |
| 4 | DAO – 10 | -19 | 26W | 167 | 28W | 9 | |
| 5 | EKO – 14 | -20 | 03E | 138 | 01E | -12.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.