12842
12845
12846
12847
12844
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| Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
| 1 | W07S08 (112",-205") |
E36-W39 (75) |
14.6 | -0.1 | -2.7e20 |
| 2 | E24N62 (-180",800") |
E44-W62 (106) |
3.5 | 0.9 | 9.6e20 |
| 3 | W16N26 (233",338") |
W13-W18 (5) |
0.1 | -2.8 | -5.3e19 |
| 4 | W36S27 (493",-490") |
W32-W42 (10) |
0.1 | -0.7 | -1.5e19 |
| 5 | W20S22 (300",-420") |
W16-W23 (7) |
0.1 | 2.3 | 3.7e19 |
| 6 | E46S12 (-669",-247") |
E49-E43 (6) |
0.1 | -1.4 | -2.7e19 |
|
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 21-Jul-2021 19:30 UT . |
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