Cosmic continent

Michael John Griffin/Warren Keller The North America Nebula (NGC 7000) glows in Cygnus at magnitude 4 at a distance of 2,600 light-years. This image was taken from Los Angeles with a one-shot color camera and 8 hours of exposure, roughly half of which was taken with dual-band Hα/OIII and SII/OIII filters and processed in theContinue reading “Cosmic continent”
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