Terragen allows you to put several suns in the sky.
Note that, more powerful softwares don't give you this possibility!
However, this situation is common in the Universe. You find it on each planet which is travelling around a double (or triple or more!) star.
Here, I imagine an exoplanet graviting around Albireo : a double star mode of a little blue and a great orange star.
What should be the sky on such a planet?
Discover it here. Mathematics and computer have created colours on the shadows I was not waiting for.
This is magic of simulation, it allows You to discover what you not even imagined!
See what is sunsrise on such a planet.
That's a great first posting! Welcome. Very subtle animation.
This is very cool, and peaceful. Great work.