NGC 7662 Planetary Nebula
NGC 7662 is a bright planetary nebula in Andromeda, one of the easiest objects of its type to see with small amateur telescopes.
Updated: Jun 26, 2024 | By Tom Urbain
Planetary Nebulae
Planetary nebulae are shells of gas thrown out by some stars near the end of their lives.
Updated: Jun 26, 2024 | By Tom Urbain
Owl Nebula
M97, the Owl Nebula lies relatively nearby at 2,300 light-years from our Sun, so it appears 3.2 arcminutes in diameter – only ten times smaller than the Full Moon.
Updated: Jun 26, 2024 | By Tom Urbain
Orion Nebula
In winter evenings Orion the Hunter stands high in the southeast at midnight, with his shield and club raised against the fierce charge of neighboring Taurus the Bull.
Updated: Jun 26, 2024 | By Tom Urbain
Whirlpool Galaxy
Of all the countless island universes scattered across the sky, none seem as exciting as M51, the renowned Whirlpool Galaxy.
Updated: Jun 26, 2024 | By Tom Urbain
The Virgo Cluster
The Virgo-Coma Cluster of Galaxies is a huge aggregation of systems at a mean distance of around 60 million light-years.
Updated: Jun 26, 2024 | By Tom Urbain
The Hyades Star Cluster
The Hyades (also catalogued as Melotte 25) are one of the major tourist attractions in the sky
Updated: Jun 26, 2024 | By Tom Urbain
Stephan’s Quintet
Stephan’s Quintet is a remarkable compact group of galaxies which is also known as Hickson 92 and Arp 319.
Updated: Jun 26, 2024 | By Tom Urbain
Rosette Nebula
One of the most attractive deep sky objects in Monoceros is NGC 2244, a bright open star cluster visible even to the naked eye under good conditions.
Updated: Jun 26, 2024 | By Tom Urbain
Ring Nebula M57
The best-known planetary nebula is the Ring Nebula M57, easily found about halfway between Beta and Gamma Lyrae.
Updated: Jun 26, 2024 | By Tom Urbain
The Pleiades
The Pleiades, also known as the “Seven Sisters”, is the most famous of all star clusters. The group is very conspicuous, and has been known and regarded with reverence since early times.
Updated: Jun 26, 2024 | By Tom Urbain
Deep Sky Intro
The category "deep sky" encompasses all astronomical objects beyond our solar system, most of which are invisible to the naked eye.
Updated: Jun 26, 2024 | By Tom Urbain
Comet ISON
3C 273 is the first identified and optically brightest quasar, the super bright nucleus of an “active” galaxy.
Updated: Aug 9, 2024 | By Tom Urbain