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Amateur astronomers watch the night sky during the Perseid meteor shower. Amateur astronomy is a hobby where participants enjoy observing or imaging celestial objects in the sky using the unaided eye, binoculars, or telescopes. Even though scientific research may not be their primary goal, some amateur astronomers make contributions in doing ...
The American Association of Variable Star Observers (AAVSO) is an international nonprofit organization. Founded in 1911, the organization focuses on coordinating, analyzing, publishing, and archiving variable star observations made largely by amateur astronomers. [1] The AAVSO creates records that establish light curves depicting the variation ...
Astronomical League. The Astronomical League is an umbrella organization of amateur astronomy societies. [1] Currently their membership consists of over 330 [2] organizations across the United States, along with a number of Members-at-Large, Patrons, and Supporting members. [3]
Observational astronomy is a division of astronomy that is concerned with recording data about the observable universe, in contrast with theoretical astronomy, which is mainly concerned with calculating the measurable implications of physical models. It is the practice and study of observing celestial objects with the use of telescopes and ...
Other designations. NGC 628, UGC 1149, PGC 5974 [2] Messier 74 (also known as NGC 628 and Phantom Galaxy) is a large spiral galaxy in the equatorial constellation Pisces. [a] It is about 32 million light-years away from Earth. [6] The galaxy contains two clearly defined spiral arms and is therefore used as an archetypal example of a grand ...
BAA. The British Astronomical Association (BAA) was formed in 1890 as a national body to support the UK's amateur astronomers. Throughout its history, the BAA has encouraged observers to make scientifically valuable observations, often in collaboration with professional colleagues. Among the BAA's first presidents was Walter Maunder, discoverer ...
Because the galaxy has a high surface brightness and relatively large angular size, it is an ideal target for amateur astronomy observations. The bright central bulge and dark dust lane are visible even in finderscopes and large binoculars, [14] and additional structure may be seen in larger telescopes. [14]
Astronomy writer, public lecturer. In the 1980s Gottlieb began writing articles for astronomy magazines about observing galaxy groups, various types of nebulae, supernova remnants and other topics. He is a Contributing editor for Sky and Telescope magazine, and his observing articles are often featured in the "Going Deep" column.