The part of the Sun just above the photosphere. Thousands of miles thick, it is mostly hydrogen gas. It looks like a red ring during an eclipse. The corona is just above the chromosphere.
<AUR>.Sunspots
| Regions with Sunspots | |||
| Region | # of Spots | Mag Type | |
| 2757 | 08 | Beta | |
| H-alpha Plages without Spots | |||
| Region | |||
| None | |||
| Regions Due to Return 27 Jan to 29 Jan | |||
| Region | |||
| None | |||
<AUR>.Alert
<AUR>.Alert.Subscriberlast message issued over 444hrs ago
Space Weather Message Code: ALTK04
Serial Number: 2141
Issue Time: 2020 Jan 09 0904 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020 Jan 09 0855 UTC
Synoptic Period: 0600-0900 UTC
Active Warning: Yes
Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Forecast Discussion
Weekly Highlights and Forecasts
Solar Weather Overview
Latest Space Weather Storm
<AUR>.DX-Cluster Statistics
Knowledge Database
Source: http://www.noaa.gov
