3 hours of exposure, again with a 1/2 teaspoon of hydrogen alpha data. 16" RCOS, ACP, ZWO ASI6200MM-PRO camera.
M51 LRGB.jpg
3 hours of exposure, again with a 1/2 teaspoon of hydrogen alpha data. 16" RCOS, ACP, ZWO ASI6200MM-PRO camera.
M51 LRGB.jpg
Matt Russell
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