1° Forum di Astronomia Amatoriale Italiano

Visual description of the object. Most of these are from the NGC, some are from prominent amateurs. Back issues of Deep Sky Magazine, Astronomy magazine, Sky and Telescope magazine and Burnham's Celestial Handbook are used as a source of some of these descriptions. The descriptions use the abbreviations from the original NGC and Burnham's. They are given below:

! remarkable object !! very remarkable object
am among n north
att attached N nucleus
bet between neb nebula, nebulosity
B bright P w paired with
b brighter p pretty (before F,B,L,S)
C compressed p preceding
c considerably P poor
Cl cluster R round
D double Ri rich
def defined r not well resolved
deg degrees rr partially resolved
diam diameter rrr well resolved
dif diffuse S small
E elongated s suddenly
e extremely s south
er easily resolved sc scattered
F faint susp suspected
f following st star or stellar
g gradually v very
iF irregular figure var variable
inv involved nf north following
irr irregular np north preceding
L large sf south following
l little sp south preceding
mag magnitude 11m 11th magnitude
M middle 8... 8th mag and fainter
m much 9...13 9th to 13th magnitude

891 B, vL, vmE bright, very large, very much elongated

Ciao Gianluca! Hai cambiato nick!