9 March 2021
⇐20210308 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20210310⇒

NOAA
2 Active Regions
12806
12807

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 W26N09
(418",267") 		E04-W47
(51) 		6.5 -0.1 -1.5e20
2 E29S66
(-195",-831") 		E76-W35
(111) 		4.4 -0.9 -1.3e21
3 E30N07
(-477",214") 		E51-E05
(46) 		3.3 0.1 4.7e19
4 E17S29
(-246",-362") 		E31-W08
(39) 		2.5 -1.5 -6.3e20
5 E53N28
(-683",519") 		E55-E50
(5) 		0.1 0.6 1.3e19

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 9-Mar-2021 20:30 UT .