LBN 576 (also known as Abell 85 and CTB 1) is a large supernova remnant in Cassiopeia.
It was initially catalogued by George Abell as a planetary nebula, but it soon became clear that it was an SNR. It was also recognized as a radio source and thus given the designation CTB 1... Updated 20/05/2022
The Leo Triplet (also known as the M66 Group) is a well-known and beautiful group of galaxies located in the constellation Leo, at a distance of approximately 35 million light years. It is formed by the spiral galaxies M65 and M66 and by NGC 3628...Read more
NGC 5907 (also known as the Splinter Galaxy or Knife Edge Galaxy) is a spiral galaxy located about 50 million light-years from Earth in the northern constellation Draco. It is a member of the NGC 5866 group.
NGC5907 was long considered a prototype example of a relatively isolated warped spiral... Read more (updated 17/04/2022)
Abell 31 (Sh2 290) is a large, faint, ancient planetary nebula located in the constellation of Cancer. It is estimated to be about 2000 light-years away from us... Read more
Although I regularly use starless images within my standard processing (to separate the image on its large scale and small scale components), I had not attempted until now to produce a final starless image (to improve the visual effect of the nebulosity)... Read more (updated 11/03/2022)
Two years ago, I already imaged IC410 nebula. While I was reasonably satisfied with the monochrome (Hydrogen alpha) image, I was not so with the colour image.
So this winter I made another try: This is a new "colour" image with Ha-OIII-OIII palette and RGB stars... Read more (updated Feb 22, 1022)
