M4 (2025-07-13 12:08 UTC; Owariasahi, Aichi Japan) C8 + Reducer(0.63x) + QBPF(Hβ, OIII, Hα, SII) + Nikon Zfc @ Advanced VX Exposure: 5sec.; ISO 6400; (2,032 mm f/9.9)x0.63; Format: NEF; Size: 5568 x 3712 (pix) => 1600 x1060 (pix) Stacked in DeepSkyStacker 5.1.10 Tweaked in Photoshop and Photo AI
3年ぶりの #さそり座 #M4 / #NGC6121 (2025-07-13 12:08 UTC; #愛知県尾張旭市; 上が北; 左が東)
光害地の低空でオレンジ色っぽい。Photo AI でノイズ低減、フォーカス強化済み。
C8 + Reducer(0.63x) + QBPF + Zfc; ISO 6400; 5sec x 199 frames
lambdablog.blog.fc2.com/blog-entry-2...
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