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M20 (2025-07-26 12:42 UTC; Owariasahi, Aichi Japan)
C8 + Reducer(0.63x) + QBPF(Hβ, OIII, Hα, SII) + Nikon Zfc @ Advanced VX
Exposure: {60sec.; ISO 3200; (2,032 mm f/9.9)x0.63; Format: NEF; Size: 5568 x 3712 (pix)} x 60 => 1600 x1065 (pix)
Stacked in DeepSkyStacker 5.1.10
Tweaked in Lightroom Classic

M20 (2025-07-26 12:42 UTC; Owariasahi, Aichi Japan) C8 + Reducer(0.63x) + QBPF(Hβ, OIII, Hα, SII) + Nikon Zfc @ Advanced VX Exposure: {60sec.; ISO 3200; (2,032 mm f/9.9)x0.63; Format: NEF; Size: 5568 x 3712 (pix)} x 60 => 1600 x1065 (pix) Stacked in DeepSkyStacker 5.1.10 Tweaked in Lightroom Classic

#いて座 #M20 / #NGC6514 / Trifid Nebula (2025-07-26 12:42 UTC; #愛知県尾張旭市; 上が北; 左が東)

1分×60枚を DSS 5.1.10 でスタック。
QBPF 使用時は Per Channel Background Calibration を設定しないと青が出ないようだ。
lambdablog.blog.fc2.com/blog-entry-2...

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#Astrophotography #Photography #Astronomia
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#M20 #Trifid_Nebula #NGC6514

1 hour with a #Seestar_S50 from a Bortle 10 sky location.

Cropped image

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