16 January 2022
20220115 Week Rotation Today Rotation Week 20220117



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W10S65
(72",-852")
E36-W49
(85)
4.3 -0.9 -1.2e21
2 W46S13
(688",-157")
W33-W61
(28)
3.0 -1.3 -8.5e20
3 W07N07
(111",202")
E09-W15
(24)
1.5 0.0 5.8e18
4 W20N16
(328",349")
W17-W24
(7)
0.2 -2.7 -1.2e20
5 E49N20
(-692",388")
E53-E45
(8)
0.1 2.3 7.0e19

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 16-Jan-2022 20:30 UT .