Sahal Telescopes & Binoculars - SN 1054 is a supernova that was first observed on 4th July 1054, and remained visible for around two years. The event was recorded in a document
![CTB1 Medulla Nebula - Supernova Remnant with 20 hours of data and PixInsight HOO processing - Experienced Deep Sky Imaging - Cloudy Nights CTB1 Medulla Nebula - Supernova Remnant with 20 hours of data and PixInsight HOO processing - Experienced Deep Sky Imaging - Cloudy Nights](https://www.cloudynights.com/uploads/monthly_02_2023/post-388607-0-27731600-1676298685.jpg)
CTB1 Medulla Nebula - Supernova Remnant with 20 hours of data and PixInsight HOO processing - Experienced Deep Sky Imaging - Cloudy Nights
![Three 'stages' of Supernova Remnants – The Crab Nebula (M1), The Jellyfish Nebula (IC 443) and the Cygnus Loop / Veil Nebula (Sharpless 103) [OC] : r/Astronomy Three 'stages' of Supernova Remnants – The Crab Nebula (M1), The Jellyfish Nebula (IC 443) and the Cygnus Loop / Veil Nebula (Sharpless 103) [OC] : r/Astronomy](https://i.redd.it/0bud8d3l4v061.jpg)