It was the first globular cluster discovered in which individual stars could be resolved. But the complete Messier catalogue only lists 109 objects (though there is a debate re: M110). The second brightest star in the sky after Sirius is 40 degrees below its brighter companion, so while rarely visible to stargazers in the northern hemisphere (it can be glimpsed from equatorial latitudes), both stars are often seen together in the southern night sky. It has an apparent magnitude of 5.9 and is approximately 7,200 light-years distant from the solar system. What I was thinking is collecting the brightest deep sky objects that peak in each season (on the Northern hemisphere), and pick the twelve most impressive ones. The seven brightest stars can be seen without any instrument, and light pollution has no effect on their visibility. The list includes objects from the Messier, New General Catalogue (NGC) and Index Catalogue (IC). Sagittarius is one of the constellations of the zodiac and is located in the Southern celestial hemisphere.It is one of the 48 constellations listed by the 2nd-century astronomer Ptolemy and remains one of the 88 modern constellations.Its name is Latin for "archer", and its symbol is (Unicode ♐), a stylized arrow. The Messier Deep Sky Object catalogue represents the cream-of-the-crop deep sky objects that can be seen from the mid-latitudes of the northern hemisphere. With a planetary nebula, over 80,000 stars and a distance of only 10,000 light-years, it’s one of the most rewarding globulars of all! It was compiled at the end of the 1700s by Charles Messier from Paris, France, using telescopes around 3 to 4-inches in diameter. It is commonly depicted as a centaur pulling back a bow, but many amateur astronomers in the northern hemisphere view Sagittarius as a more recognizable “teapot” asterism. But I find NGC is messier and it is better to follow the 'Messier' list in stead. Planets are much brighter and easier to find than any DSO. Except for the brightest magnitude objects, most galaxies will appear white/gray because they are too dim to activate the cone (color-sensing) cells in our eyes. Download Mullaney's 111 Deep-Sky Wonders for Light-Polluted Skies as a 900-kilobyte PDF file. For example, by following a straight line in either direction of the belt stars, you will find Sirius on one side, and Aldebaran in Taurus on the other. DSOs do not shine like stars, their light is diffuse, which makes them hard to find even in great conditions. Your planet-viewing experience is not the same as DSO hunting. I would like to use three criteria for choosing: brightness; size; and a general "wow factor" (which I know is very subjective). Yes, star clusters are absolutely a go. Auriga (pronounced ɔːˈraɪɡə) is the Latin name of a large constellation (in fact it extends itself for about 36 degrees across the sky) situated north of the celestial equator.As such, it is more easily visible from the northern hemisphere. Deep-sky objects to observe this winter Three areas of winter sky hold surprises for hunters of clusters, nebulae, and galaxies. The constellation is known for the asterism Great Square of Pegasus, and a number of bright stars and deep space objects … The full Moon can easily drown out even the brightest of deep-sky objects so take the lunar cycle into consideration when you are planning an observing session. 1. For more information, we have made the original version of this article, which appeared in the April 2003 Sky & Telescope., available. Also see list of 147 nebulae for a list of notable named nebulae.. Messier Nebulae. Guides to the night sky. It would scrape the southern horizon from Hawaii, southern Texas and the far southern end of Florida, but it would not be nearly as spectacular as it will look from the southern hemisphere. They are not necessarily the brightest deep-sky objects, though they are all visible at one time or another in the northern hemisphere. Southern hemisphere objects - posted in Deep Sky Observing: Hi allI was just reading an article in Sky & Telescope by their southern hemisphere editor and it got me to thinking. The attached image is low resolution because of the Cloudy Nights 500k limit - the 16000 x 10667 image can be … Perseus (The Hero) Constellation. Only Ursa Major and Hercules are larger than Pegasus in the northern hemisphere. Yet, it is the brightest of all the star clustersin this part of the sky! It is the third-largest out of the 88 constellations in the sky. 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