7 August 2017
⇐20170806 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170808⇒

NOAA
1 Active Region
12670

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 -165
(282",832") 		6.0e05
(2.8) 		6.7 -5.2 -3.1e34
2 -456
(-327",57") 		2.9e04
(1.2) 		5.1 -9.5 -2.7e33
3 -462
(-321",-459") 		3.8e04
(1.0) 		5.5 -8.9 -3.3e33
4 -583
(-532",-372") 		1.8e04
(0.4) 		5.7 -8.4 -1.5e33
5 501
(612",598") 		5.7e04
(0.4) 		6.3 -5.3 -3.0e33

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-Aug-2017 23:30 UT .