Portal:Radiation astronomy/Pictures/23

Image of the M74 galaxy in Infrared at 3.6 (blue), 8.0 (green) and 24 (red) µm. The image has been made by myself (Médéric Boquien) from the data retrieved on the SINGS project public archives of the Spitzer Space Telescope (courtesy NASA/JPL-Caltech). Compare this with v:File:Messier 74 ULX.jpg a composite image (X-ray - red, optical - blue & white) of the spiral galaxy M74 with an ultraluminous X-ray source (ULX) indicated inside the box. Image is 9 arcmin per side at RA 01h 36m 41.70s Dec +15º 46' 59.0" in Pisces. Observation dates: June 19, 2001; October 19, 2001. Aka: NGC 628, ULX: CXOU J013651.1+154547. Credit: X-ray: NASA/CXC/U. of Michigan/J. Liu et al.; Optical: NOAO/AURA/NSF/T.Boroson.