Tuesday, March 12, 2019

Reworking Sola Milkyway Aug 2017 (into true color cosmos asccording to Clarkvision)

Some may argue that the night sky is a muted cool blue, however not so according to Clarkvision. This is my attempt at tweaking the usual muted coolblue Milkyway night into true color cosmos as per workflow prescribed by Clarkvision. Though not exactly the same, these images  were tweaked to see what colors are lurking under the high dynamic range captures from the Raw image files from the Canon 6D.

These Milkyway shots were originally imaged at Sola Beach next to Sola airport back in August 2017. The LP you see is from the airport lights. That night Milkyway spanned majestically above Olberg in a NorthEast-SouthWest direction.


From this point of view, Viste looks to be a good spot for Milkway sandwiched between Sola LP to the north and Sele/Bore LP to the South.



Original pp image from Aug 2017


Several shots taken around the same period  at Orrestrand with an even more severe lp from warmhouses from the south were completely unrecoverable. Shots in Hinna using CLS lp filter from Astronomikk were also found to be unrecoverable due to the shifted colors.

Shooting at Daylight WB (4000-5200) without filters showed greater chance of rescue to achieve true cosmic colors. In these shots the RGB, Red, Green, Blue curves tend to clump together which makes tweaking Red, Green, Blue curves individuslly possible thus exerting greater control over each of the color band. It's harder to tweak the colors when the Red, Green, Blue curves are spread out over different ranges of the x-axis of the color curves especially if they don't have overlaps.

I'm still discovering the nuances of these cosmic true color tweaking ... from mucking about thus far the possibilities are rather extensive as well as subjective. A cosmically active night sky may not have the same colors of a relatively quiet night (cosmically speaking).

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