Love the helpful dedication in this forum 
I think @123sg is right on track. I tried for myself and found about 3 ingredients to get the look:
- sigmoid in per channel mode with low hue preservation for the yellowish look of the sun (if you like that)
- color balance rgb with preset ‘basic colorfulness: add vibrant colors’ a tiny bit pumped up
- rgb primaries to shift the blues more into magenta (wouldn’t do that, but thats what is in the jpg)
- might pull down the shadows with tone eq to get the sillhoutte look)
the rest is minor: bit of local contrast, sharpening, lens correction, …
Have fun