Supernova

Supernova remnants are the expanding gas shells left behind by massive stars that ended their lives in powerful explosions. Over thousands of years they spread into space, enriching the interstellar medium with heavy elements and revealing delicate, filament-like structures.

Caldwell 33 – Eastern Veil Nebula

Caldwell 33, also known as the Eastern Veil Nebula, is part of a supernova remnant in the constellation Cygnus, located about 2,500 light-years away. It reaches its culmination around astronomical midnight during the first days of August ...

Caldwell 34 – Western Veil Nebula

The Western Veil Nebula is a supernova remnant located in the constellation Cygnus, approximately 1,470 light-years away from Earth, reaching its annual culmination at astronomical midnight in early August ...

Messier 1 – Crab Nebula

The Crab Nebula (Messier 1) is a supernova remnant in the constellation Taurus at a distance of roughly 6,000–6,500 lightyears, and for mid‑northern observers it reaches its annual culmination at astronomical midnight and is best observed in December ...

NGC 6995 – Bat Nebula

The Bat Nebula, a small portion of the Eastern Veil Nebula located in the constellation Cygnus approximately 2,400 light-years away, reaches its annual culmination at astronomical midnight early August ...

SN 2022hrs

The supernova SN 2022hrs was discovered on 04/16/2022 ...

SN 2023ixf

The supernova SN 2023ixf was discovered on 05/19/2023 ...