12904
12901
12903
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Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
1 | E34S03 (-546",-42") |
E54-E07 (47) |
2.4 | -0.1 | -5.7e19 |
2 | E28N65 (-193",887") |
E43-W27 (70) |
1.2 | 1.0 | 5.4e20 |
3 | W09S35 (127",-559") |
W01-W16 (15) |
0.6 | -1.5 | -1.9e20 |
4 | W18S72 (94",-925") |
E42-W45 (87) |
0.6 | -0.7 | -2.0e20 |
5 | W25S28 (367",-459") |
W17-W31 (14) |
0.4 | -0.7 | -5.2e19 |
6 | W25S54 (240",-789") |
W21-W28 (7) |
0.2 | -0.7 | -4.7e19 |
7 | W28S04 (462",-59") |
W25-W32 (7) |
0.1 | -0.7 | -1.3e19 |
8 | E35S11 (-553",-191") |
E37-E33 (4) |
0.1 | -2.1 | -2.1e19 |
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 8-Dec-2021 20:30 UT . |