NGC4163 - 3.6μm type: dE (Im)

NGC4163

S4G Mid-Infrared Type: dE (Im)

Filter: 3.6 microns

Telescope: Spitzer Space Telescope
North left, East down
Field Dimensions: 3.5 x 2.6 arcminutes
Surface Brightness Range Displayed: 18.0-28.0 mag per square arcsec

Notes:
interesting Im with round central section in blue light; smooth elliptical shape at 3.6 microns; diffuse object due east probably not real