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…
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…