The aurora was not very exciting, a bit of activity on the horizon, I think the cloud is more interesting.
So I decided to close the aperture to f/4 in order to get better details and DOF in the foreground ice. Either my focus was not perfect or the front ice moved slightly because it is not super sharp. I suspect the former because getting front to back sharpness with f/4 is not easy. The majority of ice and the stars are acceptably sharp, it is just the front 2 pieces which were compromised, although it works on this reduced scale.
Overall I was happy with the exposure which required a lot of Magic Cloth and was getting quite uncomfortable towards the end of the exposure.
The feature of the shot is the reflected and refracted green in the ice lagoon. Pity is is not as sharp as I would have liked, but sometimes you have to forgive imperfections.
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