12846
12847
12849
|
|||||||||||
|
|
|
|||||||||
|
Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
1 | E22N67 (-138",833") |
E66-W84 (150) |
4.2 | 0.8 | 1.2e21 |
2 | W03N10 (46",76") |
E01-W05 (6) |
0.1 | -2.9 | -5.5e19 |
3 | E42N33 (-528",456") |
E45-E38 (7) |
0.1 | 0.9 | 2.1e19 |
4 | W25N07 (402",34") |
W21-W28 (7) |
0.1 | 0.8 | 1.1e19 |
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 30-Jul-2021 23:30 UT . |