Daily Sunspot Evaluation
Observation Sheet Monday, 23 November 1987
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)
- 51
- Relative number (R)
- 101
- Observer
- HM
- Reading
- counts consistent, some coordinates doubtful
- File
- 19871123.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 27 | 35E | 354 ⚠ | 52E | 99 | |
| 2 | DKO – 4 | -24 | 68W | 117 | 71W | 6 | 92 |
| 3 | CAI – 6 | -34 | 22W | 71 | 25W | 6 | 95 |
| 4 | EAI – 39 | -22 | 09W | 58 | 12W | 12 | 93 |
| 5 | AXX – 1 | 349 | 57E | ⚠ | 96 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.