Thursday, September 14, 2017

more data on NGC 40 (Halifax)

I collected data on NGC 40 back in August 2016. But I did not gather hydrogen alpha or ionized oxygen. So I queued up BGO.

 FITS Liberator, GIMP. North is up; east is left. For all.

planetary nebula NGC 40 in luminance

Luminance, 10 seconds subexposures, 20 stacked shots.

planetary nebula NGC 40 in hydrogen

Hydrogen α, 30 seconds subexposures, 10 stacked shots. Big and bright! Lots going on.

planetary nebula NGC 40 in oxygen

Oxygen III, 30 seconds subexposures, 10 stacked shots. Round! And compact. Very interesting.

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