Close up on Active Region AR 3282

Background granulation is showing well. Each "granule" is a solar convection cell about 1000km across which gives an indication of the size of this sunspot group.

 

900mm f/7.5 refractor with Baader Herschel Wedge.

ZWO ASI 290MM camera with Explore Scientific x3 focal extender.

Acquired with FireCapture v2.7

Stacked in Autostakkert!3, best 5% of about 12000 frames

 

FireCapture v2.7.10 Settings

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Camera=ZWO ASI290MM

Profile=Sun

Date=200423

Start=123257.460

Frames captured=11833

FPS (avg.)=32

Gain=165 (27%)

Gamma=50

Histogram=80%

eADU=1.547

Limit=6 Minutes

Sensor temperature=28.0°C

 

 

 

Done