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Technical card

RA center: 275.281 degrees

DEC center: -16.149 degrees

Pixel scale: 0.494 arcsec/pixel

Orientation: -179.743 degrees

Field radius: 0.332 degrees


The image is a Narrow(as L)R-Narrow(as R)GB composition. The narrow band frame has been assembled using 40 panels from Subaru Telescope (Mauna Kea, Hawaii) at a wavelength of 671nm. For the RGB, it came from a previous image by Mr. Robert Gendler.

Processing: Roberto Colombari & Robert Gendler


Roberto Colombari
License: None (All rights reserved) May 26, 2014

Sky plot

Sky plot


M17, Roberto Colombari