AR 2497

Active regions (AR) are areas on the solar surface that appear dark because they are cooler than the surrounding photosphere.  These regions can contain one or more sunspots.  The National Oceanic and Atmospheric Administration (NOAA) numbers active regions consecutively as they come into view.  The region shown above was named AR 2497.



Camera:  Point Grey Chameleon

Filters:  Daystar Quark Chromosphere - hydrogen alpha

Mount:  AP Mach1

Exposure:  Best 10% of 1000 frames

Data obtained:  February 13, 2016

Meadowlark Ridge Observatory
Meadowlark Ridge Observatory