Posts

  • Pacman Nebula – NGC 281

    Pacman Nebula – NGC 281

    The Pacman nebula, so named because it looks a bit like the 1980’s hit video game character Pac-Man, is an emission nebula located in the constellation Cassiopeia, it has numerous clusters of dark nebula throughout which give it the distinctive appearance, it’s located around 9,200 Ly away and has a diameter of approximately 48 Ly, it includes a small open…

  • OSC Stacking with Siril Tutorial

    Siril is a free open source astrophotography processing tool that supports Windows, Linux and Mac, it can be a very powerful tool that has many community made scripts to enhance the functionality, the stacking process however isn’t as quite straightforward as some other tools, this tutorial will show you how to do some basic stacking with an OSC (One Shot…