26 June 2020
⇐20200625 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20200627⇒

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Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E03N14
(-55",199") 		E24-W16
(40) 		5.6 -0.1 -7.4e19
2 W18S61
(145",-840") 		E56-W47
(103) 		3.0 -1.0 -1.0e21
3 E26S25
(-373",-432") 		E37-E05
(32) 		2.7 -0.8 -4.1e20
4 W21N08
(338",98") 		W15-W27
(12) 		0.7 -1.0 -1.1e20
5 E46N73
(-199",894") 		E68-W49
(117) 		0.7 0.7 3.2e20
6 W38S24
(529",-418") 		W35-W42
(7) 		0.1 -0.7 -1.3e19
7 W29N07
(459",87") 		W28-W31
(3) 		0.0 -0.7 -5.4e18

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 26-Jun-2020 19:00 UT .