Sunspots on 27th May 2021

Two sunspot groups were visible near the Eastern solar limb today. AR2824 has made steady progress across the Sun over the last 7 or 8 days but AR2826 has grown quite rapidly and looks a little irregular.

 

900mm f/7.5 refractor with Baader Herschel Wedge.

ZWO ASI 290MM camera, then x3 focal extender for inset panels.

60 second video.

Acquired with FireCapture v2.6

Stacked in Autostakkert!3, best 5%

 

FireCapture v2.6 Settings

------------------------------------

Camera=ZWO ASI290MM

Filter=L

Profile=Sun

Duration=60.007s

Frames captured=10001

FPS (avg.)=166

Shutter=0.709ms

Gain=130 (21%)

AutoGain=off

Gamma=off

HighSpeed=on

Histogram=78%

Limit=60 Seconds

Sensor temperature=31.8°C

Focuser position=0

 

 

 

Done