The Iris Nebula
Overview The Iris is a reflection nebula, a cloud of gas and dust illuminated by a central star. It’s six
Category: Broadband
The Coma Cluster
Overview The Coma Cluster is a collection of 1000 galaxies around 320 million light-years from Earth. Background First of all,
The Ghost of Cassiopeia
Overview The bright star in the top-left is called Gamma Cassiopeiae, and is around 550 light-years from Earth. It’s almost
The Flaming Star Nebula
Overview The Flaming Star Nebula (IC 405) is around 1500 light-years from Earth, and measures 5 light-years across. Its stand-out
Review: Optolong L-Quad Enhance
Intro Optolong have released a new broadband light pollution filter, the L-Quad Enhance. Can it help with bright city skies?
The Rotten Fish Nebula
Overview The Rotten Fish Nebula is a type of object known as a dark nebula. The blackest areas, seemingly empty
Hercules Globular Cluster (M13)
Overview A collection of 100,000 stars, packed together 100 times more densely than the stars in our Sun’s stellar neighbourhood.
The Pinwheel Galaxy
Overview The Pinwheel Galaxy, also known as M101, is a spiral galaxy that we’re seeing face-on. It’s 21 million light-years
The Bode and Cigar galaxies (M81 & M82)
Overview A pair of galaxies almost 12 million light-years from Earth. Bode (right) is a spiral, and its gravity is
Comet C/2022 E3 (ZTF)
Overview Nicknamed “the green comet”, its closest approach to Earth was on 1 February 2023 (two nights after this image