De Vaucouleurs Atlas Type: Sc sp
Filter: B
Telescope: UH 2.2-m
North up , East left
Field Dimensions: 7.5 x 6.9 arcminutes
RC3 Type: SAB(s)b? sp
RSA Type: Sbc
Surface Brightness Range Displayed: 19.5-26.0 mag per square arcsec
Absolute Blue Magnitude: -20.4
De Vaucouleurs Atlas Description:
NGC 4157 is not exacty edge-on, but it is still too inclined to discern the family and variety reliably. Only a small nucleus peers out of the thick dust layer.