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Sunspots and active regions on Apr 18, 2024
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 |
| № 3646 | N21 E59 | 03 | cso | 0030 |
08 | 185 | beta |
| № 3645 | S10 E24 | 08 | cai | 0030 |
05 | 220 | beta-gamma |
| № 3644 | N12 E60 | 02 | dso | 0080 |
04 | 184 | beta |
| № 3643 | S13 E34 | 20 | fai | 0130 |
16 | 210 | beta |
| № 3641 | N12 W28 | 03 | dao | 0060 |
08 | 272 | beta |
| № 3639 | N29 E22 | 16 | eki | 0320 |
11 | 222 | beta-gamma-delta |
| № 3638 | S17 E15 | 05 | cri | 0030 |
07 | 228 | beta |
| № 3637 | S13 E13 | 04 | cro | 0020 |
04 | 231 | beta |
| № 3636 | S20 W05 | 04 | cso | 0070 |
03 | 249 | beta |
| № 3635 | N22 W42 | 03 | axx | 0010 |
04 | 286 | alpha |
| № 3634 | N27 W70 | 08 | eki | 0290 |
11 | 314 | beta |
| № 3633 | S07 W78 | 03 | cso | 0080 |
04 | 322 | beta |
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) |
| № 3642 | N18 W39 | 283 |
| № 3640 | N21 E16 | 228 |
