12790
12791
12787
12789
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Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
1 | W11N21 (180",346") |
E24-W34 (58) |
10.3 | -0.4 | -7.4e20 |
2 | E38N27 (-539",443") |
E60-E22 (38) |
6.4 | 0.1 | 1.2e20 |
3 | W31S76 (119",-946") |
W20-W45 (25) |
0.1 | -0.9 | -4.5e19 |
4 | W50N08 (739",144") |
W48-W51 (3) |
0.0 | -1.2 | -1.0e19 |
Note: Solar Monitor's coronal hole segmentations are performed by CHIMERA, a copy of which is available at: github.com/TCDSolar/CHIMERA. The operations of the CHIMERA algorithm is described in a peer reviewed paper: arxiv.org/abs/1711.11476. An extensive copy of coronal hole properties are available at: solarmonitor.org/data. The latest positions of the coronal holes are given in heliocentric co-ordinates, and the region positions are valid on 7-Dec-2020 20:30 UT . |