M4 (2025-07-19 14:49 UTC; Owariasahi, Aichi Japan) C8 + Reducer(0.63x) + QBPF(Hβ, OIII, Hα, SII) + Nikon Zfc @ Advanced VX Exposure: 300sec.; 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

#いて座 #M17 / #NGC6618 / Swan Nebula / Omega Nebula (2025-07-19 14:49 UTC; #愛知県尾張旭市; 上が北; 左が東)

PHD2 によるオートガイドのテスト撮影。5分×12枚を DSS 5.1.10 でスタック。

C8 + Reducer(0.63x) + QBPF + Zfc; ISO 6400; 300sec. x 12 frames
lambdablog.blog.fc2.com/blog-entry-2...

This one took me 3 months! Here’s the Omega Nebula (M17) in the constellation Sagittarius. It’s approximately 5,000-6,000 light years away. I captured the nebula in the Hubble (SHO) palette but the stars are true color (RGB).

#M17 #NGC6618 #nebula #space #astronomy #astrophotography

M17 - Omega Nebula - NGC 6618 M16 - Eagle Nebula - NGC 6611 Taken with an 3" APO AT80EDT ZWO ASI2600 DUO 30s exposures for 34 minutes on an AM5N mount Processed in: DSS GraxPert CosmicClarity SetiAstro Gimp ©Viumobile

#Astrophotography #Photography #Astronomia
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#M17 - #Omega_Nebula - #NGC6618
#M16 - #Eagle_Nebula - #NGC6611

34 min (120s Subs) with a 3" APO