M97 the Owl Nebula and M108 the Snowboard Galaxy

M97, the Owl nebula (also known as Messier 97 or NGC 3587) is a planetary nebula in the constellation Ursa Major.

It is one of the four planetary nebulae included in the Messier catalogue and was discovered in 1781 by the French astronomer Pierre Méchain... Read more (updated 25/04/2023)

NGC 4395

NGC 4395 is a spiral galaxy with very low surface brightness, located about 15 million light-years from Earth in the constellation Canes Venatici... Read more

Medusa nebula (Abell 21)

The Medusa nebula, also known as Abell 21, is a planetary nebula in the constellation Gemini. 

It was discovered by astronomer George O. Abell in 1955 on the photographic plates of the Palomar Observatory Sky Survey (POSS), and he listed it as number 21 in his catalogue of Planetary Nebulae... Read more

Comet C/2022 E3 ZTF

C/2022 E3 ZTF is a long period comet that was discovered by astronomers Bryce Bolin and Frank Masci on 2 March 2022 using the Zwicky Transient Facility (ZTF) survey..... Read more.

Van den Bergh 152

Widefield image of a Cepheus region with special interest in Van den Bergh 152 (vdB 152, also known as Cederblad 201), the blue reflection nebula on the right-center and DeHt5 (PN G111.0+11.6) the planetary nebula on the bottom (a bit on the left), but including many other interesting objects: LBN538, B175, LBN528….. Read more.

Test of BlurXTerminator

I have tested BlurXTerminator with my image of NGC 2359.

I have chosen this one because last year I was very disappointed with the result I got when I processed it. In addition to the problem already mentioned about its very small rise above the horizon, the seeing ... Read more.

HFG1 & Abell 6

This field of view includes two extremely faint planetary nebulae in the constellation Cassiopeia.

In the upper part of the image, we find Heckathorn-Fesen-Gull 1 (HFG1... Read more