NGC4605 - 3.6μm type: IB(s)m sp

NGC4605

S4G Mid-Infrared Type: IB(s)m sp

Filter: 3.6 microns

Telescope: Spitzer Space Telescope
North up, East left
Field Dimensions: 7.9 x 5.7 arcminutes
Surface Brightness Range Displayed: 16.0-28.0 mag per square arcsec

Notes:
an inner zone could be a bar