Sunspot Evolution in 3 Days

AR2339 3 Hari
Evolusi Bintik Matahari AR2339 Selama 3 Hari

Astrofotografer : Eko Hadi G
Canon EOS 650D & Skywatcher Refraktor F 900mm + ND 5 White Solar Filter
Pengambilan gambar 10, 11, 12 Mei 2015

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