
Hershel 400 Objects in Serpens
| Abbreviations in the CON column are the IAU versions. |
| The column TYPE has following abbreviations: |
| OPNCL = open cluster |
PLNNB = planetary nebula |
GLOCL = globular cluster |
CL+NB = open cluster and nebulosity |
BRTNB = bright emission or reflection nebula |
| Hubble Classification for galaxies or GALXY where no
classification existed. |
| In the Herschel Column
the Classes are: |
| I = Bright Nebulae |
III = Very Faint Nebulae |
V = Very Large
Nebulae |
VII = Pretty Much Compressed
Clusters of Large or Small Stars |
| II = Faint Nebulae |
IV = Planetary Nebulae |
VI = Very Compressed and Rich Clusters
of Stars |
VIII = Coarsely Scattered
Clusters of Stars |
| NGC_# |
Con |
Type |
RA_2000 |
Declination |
Mag |
Size |
Hershel_# |
Observation Notes |
| 6118 |
SER |
Sb |
16 21.9 |
-02 17 |
12.0 |
5'X2' |
H II 402 |
Pretty faint, pretty large, somewhat brighter
in the middle and elongated 2.5 X 1 in PA 60 at 100X. Averted vision
helps with this low surface brightness object. |
|