Sunspot AR2738 – Calcium H filter – from Lichfield – colourised and further processing – 13/4/2019

I have further processed my sunspot photos today with GIMP2 – images taken through my Calcium-H Daystar filter on my Sky Watcher Equinox Pro 80mm scope on Manfrotto tripod/video head.

See also:

Sunspot 13/4/2019 from Lichfield – Daystar Calcium H Filter


Above is my image taken in Lichfield. It also appears on Spaceweather at

Compare this to Mike Taormina’s calcium K image below from Spaceweather =

Equipment used to take my image today:

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