1 March 2020
⇐20200229 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20200302⇒

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Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E00S13
(-1",-102") 		E27-W30
(57) 		6.2 0.0 4.1e19
2 E13S63
(-100",-799") 		E47-W83
(130) 		6.0 -0.8 -4.1e21
3 W54S53
(466",-729") 		W44-W71
(27) 		0.4 -0.3 -2.1e20
4 W36S36
(459",-487") 		W30-W40
(10) 		0.2 -0.6 -5.8e19
5 W39S29
(530",-379") 		W33-W44
(11) 		0.2 -0.9 -7.5e19
6 W09S53
(91",-691") 		E02-W13
(15) 		0.2 -1.0 -8.7e19
7 E51N08
(-742",217") 		E54-E46
(8) 		0.1 2.0 1.7e20

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 1-Mar-2020 20:30 UT .