Daily Sunspot Evaluation
Observation Sheet Sunday, 18 March 1984
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)
- 35
- Relative number (R)
- 105
- Observer
- HG
- Reading
- counts consistent, some coordinates doubtful
- File
- 19840318.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 2 | 6 | 11W | 174 | 13W | 0.5 | 49 |
| 2 | AXX – 2 | 163 | 02E | 9.5 ⚠ | 49 | ||
| 3 | CAI – 3 | 13 | 33E | 130 | 31E | 6 | 49 |
| 4 | HAX – 3 | 14 | 51E | 112 | 49E | 3.5 | 50 |
| 5 | ? – 2 | 13 | 75E | 88 | 73E | 5 | 52 |
| 6 | EKX – 18 | -14 | 54W | 217 | 56W | 13.5 | 46 |
| 7 | BXE – 5 | -21 | 11E | 152 | 09E | 47 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.