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Alien spring

Pictures shot with D800 plus Astronomik UHC filter: 97% transmission at 486nm (H-beta), 97% transmission at 496nm (OIII), 97% transmission at 501nm (OIII), 97% transmission at 656nm (H alpha). This filter allows night sky photography in light polluted areas. By day it is a good red and blue enhancer.

Click each picture to zoom in

Posted by lorenzoborghi on May 13, 2020

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