17 June 2018
⇐20180616 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20180618⇒

NOAA
1 Active Region
12713

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 W09N63
(66",836") 		E56-W40
(96) 		3.7 1.1 5.7e21
2 E40N38
(-481",566") 		E61-E34
(27) 		2.3 0.5 8.6e20
3 E06S68
(-37",-885") 		E54-W36
(90) 		1.5 -1.1 -3.8e21
4 W40N23
(563",352") 		W35-W46
(11) 		0.4 1.2 2.1e20

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 17-Jun-2018 23:10 UT .