This is not the Rosette Nebula, as I first stated. Instead, it is the Lagoon and Triffid Nebulae — got my wires crossed. This image is a 300 second single exposure. The color is somewhat arbitrary…
I also took several 1 second shots trying to frame things; for grins I stacked them and you can see the result below. It’s interesting because to me it looks more like a painting than a photograph. But 1 second exposures…