Daily Sunspot Evaluation
Observation Sheet Tuesday, 2 March 1999
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)
- 60
- Relative number (R)
- 130
- Observer
- TA
- Reading
- all checks consistent
- File
- 19990302.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAI – 26 | 29 | 29W | 101 | 32W | ~13 | |
| 2 | CRI – 10 | 17 | 01E | 71 | 02W | ~5 | |
| 3 | DKO – 16 | 30 | 12E | 60 | 09E | 9 | |
| 4 | AX – 4 | -15 | 17W | 89 | 20W | ~1 | |
| 5 | DRO – 2 | -15 | 08W | 80 | 11W | 3 | |
| 6 | AX – 1 | -26 | 61E | 11 | 58E | - | |
| 7 | HA – 1 | -31 | 66E | 6 | 63E | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.