Observation by John Arnold: H-alpha activity in AR3751

Uploaded by

John Arnold

Observer

John Arnold

Observed

2024 Jul 19 - 14:00

Uploaded

2024 Jul 21 - 16:54

Objects

The Sun

Equipment

Skywatcher 102 f/5 refractor, Daystar Quark chromosphere unit, 0.5x focal reducer, ASI178MM camera, Skywatcher AZ-GTi mount

Exposure

exp time 0.082 msec, all images are stacks of best 250 from 10000-frame videos

Location

Suburban North Leeds

Target name

Sunspot group AR3751

Title

H-alpha activity in AR3751

About this image

Files associated with this observation

AR3751 on 190724.jpg (1.8 MB)

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Gerard Cauchi, Nick Quinn, Mike Foulkes, Callum Potter, Anton Matthews

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