S4G Mid-Infrared Type: (R')SAB(rs,nr)b

Filter: 3.6 microns

Telescope: Spitzer Space Telescope
North up, East left
Field Dimensions: 9.9 x 7.2 arcminutes
Surface Brightness Range Displayed: 12.0-28.0 mag per square arcsec

Notes:
nuclear ring; west side of bar has straight zone of star forming regions; four arms in strange pattern; considerable asymmetry around bar