12680
12677
12678
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Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
1 | W03N52 (32",678") |
E56-W52 (108) |
14.6 | 1.5 | 1.2e34 |
2 | W09S22 (141",-459") |
E20-W27 (47) |
3.0 | -0.1 | -1.0e32 |
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 13-Sep-2017 19:30 UT . |