Narrowband colours

If you are an astroimaging amateur and capturing narrowband frames, you probably already needed to make a decision - how to compose all these…


NGC1499 California

Dust in California NGC1499

NGC1499 California emission nebula is so (apparently) large, that it did not fit to any field of view of my "large" imaging setups. So I decided to…


Perseus in California

Well, actually it is vice versa - California nebula in Perseus constellation. It is large emission nebula, it spans almost 2.5 degree long over the…