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Trifid Nebula - M20 from high altitude


evansg

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My attempt to capture M20 from ~ 1500m (Mt. Parnon Greece)

Scope: William Optics FLT98 Alu @ f6.4

Mount: HEQ5 Pro

Camera: ATIK 314L

Filters: LRGB Baader

Guiding: OAG-9 SSAG

Total exposure (2 nights) ~ 8h

Subexposures: 10m (bin 1x1 Lum, bin 2x2 RGB)

post-20058-133877614624_thumb.jpg

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Lovely. You have got superb levels of blue nebulosity around the whole emission nebula.

I wonder if the green channel needs a little stretch because there is, to my eye and on my screen, a slight magenta caste?

Great picture.

Olly

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