S4G Mid-Infrared Type: SA(rs,rl)bc

Filter: 3.6 microns

Telescope: Spitzer Space Telescope
North up, East left
Field Dimensions: 12.6 x 9.2 arcminutes
Surface Brightness Range Displayed: 12.0-28.0 mag per square arcsec

Notes:
truly amazing; bright smooth inner ring; inner, relatively smooth spiral pattern; patchy and extensive outer arms