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March 14, 2020: Back in the saddle with Ca-K and WL disks

michael.h.f.wilkinson

By michael.h.f.wilkinson
in Imaging - Solar

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michael.h.f.wilkinson

michael.h.f.wilkinson

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Afre a long break I have finally found time and good weather (with great seeing) to grab some sunlight once more. All taken with the little APM 80mm F/6 triplet and ASI178MM camera, with Lunt Herschel wedge, Baader Solar Continuum and UV/IR block filter for Wl, and Lunt B1800CaK module for Ca-K

WL, grey scale:

Sun_110014_lapl4_ap230LR.thumb.jpg.d73a5ad932e73edb2d42712b60c49d12.jpg

WL + pseudo colour:

Sun_110014_lapl4_ap230LRcol.thumb.jpg.1c7bb40362a0805b516668ae053db411.jpg

Ca-K, grey scale

Sun_110940_lapl4_ap230LR.thumb.jpg.9dd8821124e529714a3de6bd19b46fb9.jpg

Ca-K pseudo colour:

Sun_110940_lapl4_ap230LRcol.thumb.jpg.f6ab326613a0a7a008a64509d95935d5.jpg

Ca-K part inverted:

Sun_110940_lapl4_ap230LRpinv.thumb.jpg.eca7751191165b72e2794952d6606a6c.jpg

Ca-K part inverted + pseudo colour

Sun_110940_lapl4_ap230LRpinvcol.jpg

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