North America Nebula

[Italianmoose0]

NGC 7000, the North America Nebula

Canon 100 mm Macro lens with the rather nifty Astromechanics Canon lens controller, stepping it down to F4 (also controls the focus, hooray autofocussing!). Bolted to a 1600MM and a filter wheel with ZWO's 1.25" Ha, Oiii, and RGB filters in; and mounted on a HEQ5.

This is ~160 60 second exposures in Ha and ~130 in Oiii (haven't got round to adding the RGB data yet). The usual Gain 139, Offset 40, at -15 centigrade.

I haven't worked out any neat mappings yet, this is in HOO, composited in Siril after stacking in DSS. I just used a master dark, I should really do flats and flat darks but I'm lazy and the lens is really excellent.