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KStars is a free and open-source planetarium program built using the KDE Frameworks. It is available for Linux, BSD, macOS, and Microsoft Windows. A light version of KStars is available for Android devices. It provides an accurate graphical representation of the night sky, from any location on Earth, at any date and time.
SFA Star Charts – Free star charts; Geody Star Charts – Free (CC-by-sa) printer friendly star charts for several latitudes and times of the year; An online star chart; Monthly sky maps for every location on Earth Archived 2007-09-13 at the Wayback Machine; The Evening Sky Map – Free monthly star charts and calendar for northern hemisphere ...
Observing a source using multiple methods is known as multi-messenger astronomy. Ultra HD photography taken at La Silla Observatory [2] Optical and radio astronomy can be performed with ground-based observatories, because the atmosphere is relatively transparent at the wavelengths being detected.
While the Messier catalogue is used by amateur astronomers as a list of 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 objects, [1] such as the Hyades, the Double Cluster (NGC 869 and NGC 884), and the Sculptor Galaxy (NGC 253). The Messier ...
Messier 73 (M73, also known as NGC 6994) is an asterism of four stars in the constellation Aquarius which was long thought to be a small open cluster.It lies several arcminutes east of globular cluster M72.
Clear Sky Charts (called clocks until February 29, 2008) are web graphics which deliver weather forecasts designed specifically for astronomers. They forecast the cloud cover , transparency and astronomical seeing , parameters which are not forecast by civil or aviation forecasts. [ 1 ]
Norton's Star Atlas is a set of 16 celestial charts, first published in 1910 and currently in its 20th edition under the editorship of Ian Ridpath.The Star Atlas covers the entire northern and southern sky, with accompanying reference information for amateur astronomers.
Suzhou Star Chart (蘇州石刻天文圖, 淳祐天文図) Huang Shang (黃裳) created in 1193, etched to stone in 1247 by Wang Zhiyuan (王致遠) The chart shows 1434 Stars grouped into 280 asterisms; the accompanying text, supposedly a key to the chart, lists 1,565 stars in 283 asterisms. [21] [22] [23] [24]