The Palomar Sky Survey is a complete photographic survey of the whole sky which was made by the large Schmidt camera of the newly built Mount Palomar observatory in the 1950's. Photography (fә'tɒgrәfi or fә'tɑːgrәfi (from Greek φωτο and γραφία is the process and Art of recording pictures by means of capturing Astronomical surveys generally involve imaging or mapping of regions of the sky using Telescopes. A Schmidt camera, also referred to as the Schmidt telescope, is an astronomical Camera designed to provide wide fields of view with limited Palomar Mountain is a mountain in the Palomar Mountain Range in northern San Diego County California, United States.
Two large scale photograms were taken of every part of the sky: one in blue light (as usual), and one in red light using a special Kodak emulsion. Eastman Kodak Company ( is an American multinational Public company which produces imaging and photographic materials and equipment By the comparison of the two plates, the spectral type of all celestial objects can be determined.
The Palomar Sky Survey amounts to some 900 plate pairs and has been the basis of a lot of astronomical analyses and detections of the last 50 years - e. g. for novae, prenovae and variable stars, for the orbit determination of asteroids, or for the detection of galaxy clusters like the Coma and Virgo cluster. A nova (pl novae or novas) is a Cataclysmic nuclear explosion caused by the accretion of hydrogen onto the surface of a White For the astronomical object see Variable star. Variable Star is a 2006 novel written by Spider Robinson Orbit determination is a branch of Astronomy specialised in calculating and hence predicting the orbits of objects primarily around the Earth Asteroids, sometimes called Minor planets or planetoids', are bodies—primarily of the inner Solar System —that are smaller than planets but Galaxy groups and clusters are the largest Gravitationally bound objects to have arisen thus far in the process of cosmic structure formation The Coma Cluster ( Abell 1656 is a large cluster of galaxies that contains over 1000 identified galaxies The Virgo Cluster is a cluster of galaxies at a distance of approximately 59 ± 4 Mly (18
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