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Sunspots and active regions on Aug 20, 2004
Active areas
Sunspots and active regions
The following regions with sunspots can be now observed on the Sun's surface
| Group number | Sunspots Location on the Sun | The number of spots in the group | The classification by the Zurich's modified system | Area (millions of shares of the solar hemisphere) | Group length (in degrees) | Carrington Longitude (in degrees) | Group's magnet type |
| № 663 | N08 E75 | 02 | hax | 0110 |
04 | 266 | alpha |
| № 662 | N13 E13 | 11 | cao | 0040 |
05 | 328 | beta |
| № 661 | N09 W06 | 17 | eko | 0510 |
11 | 347 | beta-gamma |
H-alpha plages without spots
The following H-alpha plages without spots can be currently observed on the Sun's surface
| Area number | Coordinates | Carrington Longitude (in degrees) |
| № 660 | S08 W50 | 031 |
| № 659 | N17 W60 | 042 |
| № 657 | N10 W93 | 075 |
