Astronomy Science data |
POSS data |
Mount Palomar's Samuel Oschin TelescopeFrom where did these POSS-II data came from? Same telescope as earlier, but now upgraded in some parts, you can get more information here: Below you see what images I have processed, click on the images and get more information: |
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Messier 1 Crab Nebula |
Messier 13 Hercules Globular Cluster |
Messier 31 Andromeda Galaxy |
Messier 42 Orion Nebula |
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Messier 45 Pleiades |
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Images from POSS-I plates, credits: STScI Image processing by Lars Karlsson |
Conclusion:The dynamic range is better with the POSS-II data compared with the older POSS-I data. With POSS-II data there not only red and blue spectra, there are also IR spectra. Very handy to use when searching after strong IR radiation objects. |
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