3 March 2022
⇐20220302 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20220304⇒



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W31S17
(477",-179") 		E09-W50
(59) 		7.2 -0.8 -1.0e21
2 E16S43
(-198",-576") 		E22-E04
(18) 		0.4 -0.8 -6.6e19
3 W19N10
(312",275") 		W16-W22
(6) 		0.2 -2.2 -8.8e19
4 E40S77
(-142",-914") 		E87-E67
(20) 		0.2 -1.3 -1.4e20
5 E09S35
(-130",-458") 		E12-E04
(8) 		0.1 -1.5 -3.9e19
6 W30S28
(432",-358") 		W27-W34
(7) 		0.1 -2.5 -4.3e19
7 W22S29
(310",-372") 		W17-W26
(9) 		0.1 -2.3 -3.4e19
8 W40S18
(586",-215") 		W38-W42
(4) 		0.1 -5.3 -6.9e19
9 W09S47
(104",-621") 		W06-W12
(6) 		0.1 1.2 1.4e19

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 3-Mar-2022 20:30 UT .