This image of the Rosette Nebula (NGC 2237) is thought to be the most-detailed ever produced. Compiled from data taken from IPHAS
, the Isaac Newton Telescope Photometric Hydrogen-Alpha Survey of the Northern Galactic Plane, the image spans four square degrees,
about twenty times the size of the full moon. Resolution is 1 arcsecond per pixel, and North is up, east is left.
Credit: Nick Wright (UCL) on behalf of the IPHAS collaboration.
Telescope: 2.5-m Isaac Newton Telescope.
Instrument: Wide Field Camera.
Filters and exposure times: Hα, R.
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