The Rosette Nebula narrow band

The Rosette Nebula narrow band

by | Apr 28, 2022 | Nebulae

The Rosette Nebula, NGC 2237,  is a large and amazing HII region located in the Monoceros constellation. The nebula lays some 5.000 light years away from us and measures 130 light years in diameter spanning over 5 times the angular diameter of a full moon. In the core...
The Cone Nebula wide field

The Cone Nebula wide field

by | Mar 11, 2022 | Galactic Cirri, Nebulae

The Cone Nebula is part of a vast HII region located 2,700 light-years away from Earth in the Monoceros constellation. In this wide field image, composed by a 2 panne mosaic, we can also see several dark and reflection nebulae. The main deep sky objects in this field...
Nebulae in the Spiral Arms of the Triangulum galaxy

Nebulae in the Spiral Arms of the Triangulum galaxy

by | Mar 8, 2022 | Galaxies, Nebulae

Can we spot nebulae in another galaxy? Yes, with the use of Ha filters we can detect those star forming regions in our neighbour galaxies. The Triangulum galaxy, M33, is located in the northern constellation Triangulum. As seen from Earth it has a really wide angular...
Sharpless-308, the Dolphin Nebula

Sharpless-308, the Dolphin Nebula

by | Feb 4, 2022 | Nebulae

Not far from Sirius, the brightest star in the night sky, this cosmic scape shows the effects of several energetic events blown by the massive Wolf-Rayet star WR 6, located in the Cannis Majoris constellation. Sharpless-308, also known as the Dolphin Nebula, seems to...
The Medulla Nebula Supernova Remnant

The Medulla Nebula Supernova Remnant

by | Jan 29, 2022 | Nebulae

The Medulla nebula, also called Abell 85, LBN 576 and CTB-1, is a supernova remnant. CTB-1 is the expanding gas shell that was left when a massive star toward the constellation of Cassiopeia exploded about 10,000 years ago. This deep sky object it’s pretty faint...
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