Mar 11, 2022

Abell 31 (Sharpless 2-290): finished!

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 

Feb 26, 2022

NGC 2359 Thor's Helmet starless

 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)  

Feb 16, 2022

A personal (re) view of IC410 and the tadpoles

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) 

Jan 20, 2022

NGC 2359 Thor's Helmet

NGC 2359, known as Thor's Helmet and also catalogued as Sharpless 2-298, is an emission nebula  of the Wolf -Rayet type.

Its central star has been classified as Wolf-Rayet type (a massive star in a pre-supernova stage) and has been catalogued as WR7... Read more 

Dec 13, 2021

C/2021 A1 Leonard

Comet C/2021 A1 Leonard imaged on December 9, 2021, from my remote observatory in Àger... Read more

Nov 25, 2021

LBN 762 (MBM 13)

LBN 762 (from Lynds Catalogue of Bright Nebulae, and being part of much lager cloud known as MBM 13 after the name given later by Magnani,  Blitz and Mundy), is a "bright" nebula in the constellation Aries... Read more

Oct 24, 2021

LBN 576 in H alpha - Oxygen III - RGB

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... Read more