6 min read
The fundamental difference between a refractor and a reflector is how they collect and focus light: a refractor telescope uses...
astrophotography
2 min read
Despite its relatively modest size, Messier 33 is one of the most active star-forming galaxies in the Local Group. It...
3 min read
If you’ve ever dived into the weeds of deep-sky imaging software, you’ve probably run into the term PSF, or Point...
2 min read
NGC 281, popularly known as the Pacman Nebula, is a vibrant H II emission nebula and active cosmic nursery located...
1 min read
NGC 7000, famously known as the North America Nebula (or Caldwell 20), is a massive interstellar cloud of ionised gas...
1 min read
The image shows two globular clusters: M53, the bright and densely populated cluster in the lower left, and NGC 5053,...
1 min read
NGC 3628, shown on the right, is an unbarred spiral galaxy about 35 million light-years away in the constellation Leo....
2 min read
The Pinwheel Galaxy, formally known as Messier 101 (M101), is a massive grand-design spiral galaxy located approximately 21 to 25...
1 min read
NGC 4565, commonly known as the Needle Galaxy, is one of the most striking spiral galaxies in the sky, seen...
2 min read
The Bortle scale is a system created by John Bortle to measure and categorise sky darkness. He is an amateur...
