redid NGC 246 (Halifax)

Wanted more data on NGC 246 aka the Skull Nebula. I first imaged this on 26 Aug '16. This time with BGO I collected L, R, G, B, OIII, and HA data.

• luminosity, red, green, blue: 15 seconds 5 subs each
• O-III: 60 seconds 10 subs
• hydrogen-alpha: 60 seconds 10 subs

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Stretching oxygen and hydrogen data is hard...