A deep-sky object (DSO) is any astronomical object that is not an individual star or Solar System object (such as Sun, Moon, planet, comet, etc.). The...

objects, and many objects on the list are still referenced by their Messier numbers. The catalogue includes most of the astronomical deep-sky objects...

location straddling the Milky Way, this constellation contains many deep-sky objects such as the open clusters Messier 6 (the Butterfly Cluster) and Messier...

clickable Gemini WikiSky: Gemini constellation Ian Ridpath's Star Tales: Gemini APOD Pictures of Gemini and Deep Sky Objects: A Spring Sky Over Hirsau Abbey...

Sign". Herong Yang. Retrieved 22 December 2022. Levy, David H. (2005). Deep Sky Objects. Prometheus Books. ISBN 978-1-59102-361-6. Ridpath, Ian; Tirion, Wil...

Maddocks: Deep-Sky Name Index 2000.0 (Foxon-Maddocks Associates, 1991) Sky Catalogue 2000.0, Volume 2: Double Stars, Variable Stars and Nonstellar Objects (edited...

its color visible to the naked eye. The constellation's most obvious deep-sky object is the naked-eye Andromeda Galaxy (M31, also called the Great Galaxy...

two pairs of interacting galaxies, and Hanny's Voorwerp, a unique deep-sky object. The classical astronomers Aratus and Ptolemy had noted the region...

("Ship of the sky following a course in the sky"), perhaps misunderstanding "οὐριο-" as "up in the air or sky" by analogy with οὐρανός = "sky". 1679: Halley...

cloud object. Another meteor shower in Eridanus is the Omicron Eridanids, which peak between November 1 and 10. Eridanus is depicted in ancient sky charts...

system to the Solar System, was announced on 11 March 2013. Of the deep-sky objects of interest in Vela is a planetary nebula known as NGC 3132, nicknamed...

interesting deep-sky objects, including M43, M78, as well as multiple stars including Iota Orionis and Sigma Orionis. A larger telescope may reveal objects such...

deep-sky objects for observation, Moore noted that Messier's list was not compiled for that purpose and excluded many of the sky's brightest deep-sky...

and takes 4.35 days to complete a revolution. Lynx's most notable deep sky object is NGC 2419, also called the "Intergalactic Wanderer" as it was assumed...

of M24. Messier 24 is not a distinct deep-sky object, rather an open window through the Great Rift into deeper regions of the Milky Way galaxy. It fills...

nebula is estimated to be roughly 0.8 light-years in diameter. More deep-sky objects: NGC 6709 is a loose open cluster containing roughly 40 stars, which...

1781 by Pierre Méchain, but later added as Charles Messier's last deep-sky object in his catalogue. It is located 9,400 light-years from the Sun and...

(Chinese astronomy) Objects of magnitude 6.5 are among the faintest visible to the unaided eye in suburban-rural transition night skies. Ridpath & Tirion...

discovered in 1988 in a deep-sky survey. Its centre is approximately 1.5 billion light-years away. Canes Venatici contains five Messier objects, including four...

Charles Messier in 1764 as the very first object of its kind. It can be seen with good binoculars in a dark sky location, appearing as a dimly glowing disk...

Deep sky may refer to: Deep-sky object, a classification of astronomical objects located outside the Solar System Deep Sky, a 2023 American documentary...

The carbon star CW Leo (IRC +10216) is the brightest star in the night sky at the infrared N-band (10 μm wavelength). The star SDSS J102915+172927 (Caffau's...

Piscis Austrinus, and Aquarius. The constellation is located in an area of sky called the Sea or the Water, consisting of many water-related constellations...

Dorado contains part of the Large Magellanic Cloud, it is rich in deep sky objects. The Large Magellanic Cloud, 25,000 light-years in diameter, is a satellite...

rather devoid of deep-sky objects, and contains no Messier objects. The only deep-sky object in Caelum to receive much attention is HE0450-2958, an unusual...

is the passage of a celestial object (such as the Sun, the Moon, a planet, a star, constellation or a deep-sky object) across the observer's local meridian...

by constellation Objects of magnitude 6.5 are among the faintest visible to the unaided eye in suburban-rural transition night skies. While parts of the...

Information". The NGC/IC Project. Retrieved 2024-03-25. "Deep sky objects in Equuleus - Full list". The Sky Live. Retrieved 2024-03-25. Olcott, William Tyler...

which has been confirmed to be orbited by Kepler-10b. One of the deep-sky objects in Draco is the Cat's Eye Nebula (NGC 6543), a planetary nebula approximately...

passes through Serpens Cauda, which is therefore rich in galactic deep-sky objects, such as the Eagle Nebula (IC 4703) and its associated star cluster...