Floating in the hydrogen sea
As already mentioned in the previous entry Swan nebulaes strikes back most nebulas are emission or reflection. Large, red hydrogen clouds are the…
Swan nebulaes strikes back
Cygnus (The Swan) constellation is filled with hydrogen clouds that are ionized and radiate massively in red light (656nm that is hydrogen alpha…
Scorched astrojuly expositions
Literally. I got rid of my cooled camera Atik 314 (small chip size) and got regular Canon 450D that is not cooled, so its matrix gets hot during…
Autumn ionisations
Milky Way is shining high in the sky during the autumn - depending of the time you can see Cygnus, Cassiopeia or Perseus constellations above your…
Autumn swansongs
The Cygnus constellation shines during autumn high in the sky and inside its boundaries there are plenty of interesting objects - star clusters and…