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SPIRAL GALAXY NGC 1232 PRINT, 13" X 13"
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photo for larger views) |
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Item No: PH1086
Price: $12.00
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| This spectacular image of the large spiral galaxy NGC 1232 was obtained on September 21, 1998, during a period of good observing conditions by the Very Large Telescope. It is based on three exposures in ultra-violet, blue and red light, respectively. The colors of the different regions are well visible : the central areas contain older stars of reddish color, while the spiral arms are populated by young, blue stars and many star-forming regions. Note the distorted companion galaxy on the left side, shaped like the Greek letter "theta". NGC 1232 is located 20º south of the celestial equator, in the constellation Eridanus (The River). The distance is about 100 million light-years, but the excellent optical quality of the VLT allows us to see an incredible wealth of details. At the indicated distance, the edge of the field shown corresponds to about 200,000 light-years, or about twice the size of the Milky Way galaxy. The image is a composite of three images taken behind three different filters: U (360 nm; 10 min), B (420 nm; 6 min) and R (600 nm; 2:30 min) during a period of 0.7 arcseconds seeing. The field shown measures 6.8 x 6.8 arcminutes North is up. East is to the left. |
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