Code
Type
-8
Tr (transition)
-7
dSph
-5
E
-3
S0
-
-2
S0
⚬
-1
S0
+
0
S0a
1
Sa
2
Sab
3
Sb
4
Sbc
5
Sc
6
Scd
7
Sd
8
Sdm
9
Sm
10
Ir