Daily Sunspot Evaluation
Observation Sheet Monday, 2 March 1970
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)
- 55
- Relative number (R)
- 135
- Observer
- AT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19700302.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 2 | -4 | 02E | 198 ⚠ | |||
| 2 | A – 2 | 9 | 16E | 175 | |||
| 3 | E – 30 | 6 | 36E | 155 | |||
| 4 | ? – 7 | -10 | 71E | 120 | |||
| 5 | J – 2 | -9 | 70W | 269 ⚠ | |||
| 6 | J – 1 | -5 | 71W | 262 | |||
| 7 | J – 2 | 16 | 73W | 264 | |||
| 8 | H – 9 | 15 | 46W | 237 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.