NGC 1156 - IB(s)m

NGC 1156

De Vaucouleurs Atlas Type: IB(s)m

Filter: B

Telescope: Perkins 1.8-m
North up , East left
Field Dimensions: 2.6 x 1.9 arcminutes

RC3 Type: IB(s)m
RSA Type: SmIV
Surface Brightness Range Displayed: 19.5-26.0 mag per square arcsec
Absolute Blue Magnitude: -17.6

De Vaucouleurs Atlas Description:

This high surface brightness object is very much like NGC 4449 . It has a clear bar imbedded within a boxy background. The (s) classification is based on weak spiral features in the outer disk. The bar may include a very faint nucleus.