california nebula

Nikon D850 Tamron 150-600mm @ 300mm SkyGuider Pro - Tracker 40 x 60 secs 12 x Darks 12 x Flats 12 x Bias ISO 6400 f5.6

This is the California Nebula, if you rotate it in your mind, you can see how they came up with this name. I am including 2 more images for those who just might be a little curious. The first is the Stacked image coming out of the DeepSkyStacker program that is a Freeware program for Astro...