S4G Mid-Infrared Type: SB(s)dm

Filter: 3.6 microns

Telescope: Spitzer Space Telescope
North up, East left
Field Dimensions: 5.3 x 3.8 arcminutes
Surface Brightness Range Displayed: 16.0-28.0 mag per square arcsec

Notes:
at left in image; large and asymmetric with thin bar and no central concentration; interacting with 3018?