11917
11918
11920
11921
11928
11929
11930
11931
11923
11925
11926
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Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
1 | E49N47 (-505",725") |
E77-E08 (69) |
3.4 | 0.6 | 3.1e33 |
2 | E39N26 (-556",450") |
E45-E31 (14) |
0.9 | 4.0 | 2.2e33 |
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 19-Dec-2013 20:35 UT . |