12 October 2016
20161011 Week Rotation Today Rotation Week 20161013

NOAA
4 Active Regions

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E22S36
(-291",-642")
E46-W64
(110)
16.9 -0.6 -6.2e33
2 W45N68
(249",862")
E59-W88
(147)
2.0 0.4 1.7e33
3 E26N32
(-352",436")
E29-E22
(7)
0.0 -1.6 -2.7e31

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 12-Oct-2016 23:30 UT .