15 February 2021
⇐20210214 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20210216⇒

NOAA
0 Active Regions

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 E04S67
(-24",-841") 		E74-W70
(144) 		4.5 -0.7 -1.0e21
2 W23S02
(380",67") 		42
(7.4e04) 		-0.0 4.1 3.1e21
3 W21N45
(244",760") 		E15-W34
(49) 		4.3 0.8 8.7e20
4 E44S27
(-600",-364") 		E55-E33
(22) 		1.5 -2.6 -8.5e20
5 E04N08
(-69",253") 		E06-E00
(6) 		0.1 -1.9 -1.8e19
6 E09N07
(-153",234") 		E11-E07
(4) 		0.0 -2.0 -1.2e19

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 15-Feb-2021 12:30 UT .