Quick Facts

About the Object	Object Name: NGC 7331 Object Type: Spiral Galaxy Position (J2000): RA: 22h37m04s Dec: +34d24m56s Distance: 49,000,000 light-years or 15 Mpc Magnitude: 10.35 Constellation: Pegasus
About the Data	Image Credit: NASA/JPL-Caltech/M. Regan (STScI), and the SINGS Team Instrument: IRAC Wavelength: 3.6 (blue), 4.5 (blue-green), 5.6 (yellow), 8.0 (red) microns Exposure Dates: December 2-3, 2003 Exposure Time: 240 seconds per pixel Image Scale: 12.6 x 8.2 arcmin Orientation: North is 101 degrees CCW from up Release Date: June 28, 2004
Observers	Robert Kennicutt, Principal Investigator (Steward Observatory, University of Arizona) Lee Armus (Spitzer Science Center, Caltech) George Bendo (Steward Observatory, University of Arizona) Daniela Calzetti (Space Telescope Science Institute) Daniel Dale (University of Wyoming) Bruce Draine (Princeton University) Charles Engelbracht (Steward Observatory, University of Arizona) Karl Gordon (Steward Observatory, University of Arizona) George Helou (Caltech) David Hollenbach (NASA Ames Research Center) Thomas Jarrett (Caltech) Lisa Kewley (Harvard Center for Astrophysics) Claus Leitherer (Space Telescope Science Institute) Aigen Li (Steward Observatory, University of Arizona) Sangeeta Malhotra (Space Telescope Science Institute) Martin Meyer (Space Telescope Science Institute) Eric Murphy (Yale University) Michael Regan (Space Telescope Science Institute) George Rieke (Steward Observatory, University of Arizona) Marcia Rieke (Steward Observatory, University of Arizona) Helene Roussel (Caltech) John-David Smith (Steward Observatory, University of Arizona) Michele D. Thornley (Bucknell University, Space Telescope Science Institute) Fabian Walter (National Radio Astronomy Observatory)

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