20240510_20-12-17_20240510_AS_P30_lapl3_ap1063_conv_1600px

Published at 1600 × 1600 in Giant Sunspot AR3664

Sunspot AR3664 (lower right) – Astrophysics 127mm f/8, 2x converter, Nikon D750a philipp@salzgeber.at, 10.5.2024

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