S4G Mid-Infrared Type: (RL)SB_x(rs)0/a sp

Filter: 3.6 microns

Telescope: Spitzer Space Telescope
North up, East left
Field Dimensions: 11.3 x 8.2 arcminutes
Surface Brightness Range Displayed: 13.5-28.0 mag per square arcsec

Notes:
two clear ring-like features; diameter ratio ~2; boxy X across center; probably barred