7 May 2020
⇐20200506 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20200508⇒

NOAA
1 Active Region
12763

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E01S00
(-15",55") 		E31-W30
(61) 		8.3 0.0 3.2e18
2 W06S63
(45",-825") 		E79-W29
(108) 		3.5 -1.0 -4.2e21
3 E11N61
(-90",858") 		E54-W51
(105) 		2.5 0.5 2.2e21
4 W36S02
(560",9") 		W28-W44
(16) 		0.5 -0.6 -1.1e20
5 E35S06
(-550",-52") 		E42-E29
(13) 		0.5 0.8 1.3e20
6 W32S28
(447",-407") 		W28-W36
(8) 		0.1 -1.2 -4.6e19
7 W66S65
(360",-853") 		W63-W76
(13) 		0.1 -1.7 -6.1e20
8 E43N10
(-645",203") 		E47-E40
(7) 		0.0 -0.5 -1.3e19
9 W12S15
(195",-192") 		W11-W13
(2) 		0.0 -1.0 -9.9e18

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 7-May-2020 19:30 UT .