Active Region 2209 imaged in Calcium K

AR-2209-imaged-in-CaK-18th-Nov-2014-4b91b11


Mike Garbett

Walsall, West Midlands

HEQ5 Pro, Lunt 60, Lunt CaK1200, x2 Barlow, PG Grasshopper camera.

Active Region 2192 – the largest seen for many years – rotates back into view and is re-named as AR 2209.
Here it is imaged in Calcium K at a wavelength of 393.3nm.

2014-11-18T00:00:00

Advertisement