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The Crescent Nebula (NGC 6888), which surrounds the Wolf-Rayet star PPM 84423 or HD192163, seen in Hydrogen-α emission. This was observed as part of the Isaac Newton Telescope/Wide Field Camera Photometric Hydrogen-α Survey (IPHAS) of the Galactic Plane. NGC 6888 is the illuminated ejecta of the star HD192163. This image of the Crescent Nebula or NGC 6888 was obtained using the Wide Field Camera on the Isaac Newton Telescope. It is a three-colour composite made from data collected using filters to isolate the light emitted by hydrogen alpha (H-alpha) and doubly ionised oxygen (OIII) atoms, and coded in the image as red, green (25% H-alpha and 75% OIII) and blue. PDF version: http://www.ing.iac.es/PR/press/NGC6888.pdf. PDF version: http://www.ing.iac.es/PR/dissemination/ngc6888.pdf. APOD: https://apod.nasa.gov/apod/ap090915.html
For publication or display (electronic or otherwise), all photos, images or videos must be credited: "Photo/image/video courtesy of the Isaac Newton Group of Telescopes, La Palma" unless otherwise noted in the provided credit line. Please contact ING's Public Relations Officer (outreaching.iac.es) with all the details of the use.
ing.iac.es) with all the details of the use.
