Hershel 400 Objects in Draco
|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
|In the Herschel Column
the Classes are:
|I = Bright Nebulae
||III = Very Faint Nebulae
||V = Very Large
|VII = Pretty Much Compressed
Clusters of Large or Small Stars
|II = Faint Nebulae
||IV = Planetary Nebulae
||VI = Very Compressed and Rich Clusters
||VIII = Coarsely Scattered
Clusters of Stars
||H I 79
|| Pretty bright, pretty large, little elongated,
with a much brighter core at 100X. It is just seen in the 11X80 finder.
In moments of good seeing at 135X, it has a stellar core.
||H I 215
|| Bright, large, much elongated 3X2, much brighter
middle at 165X. The dark lane has been easy on nights of good seeing
and transparency. On mushy nights the dark lane is not seen at any
||H II 759
|| Bright, large, very much elongated, bright middle
at 100X. At 200X the core is gradually brighter with a stellar nucleus.
||H II 764
|| Pretty bright, pretty small, little elongated
1.5 X 1 in PA 90 and much brighter in the middle at 135X.
||H IV 37
|| Bright, large, elongated 1.8 X 1. The central
star can be seen at all powers, but is stellar only on the best of
nights. Using 250X to 320X there is much detail within the planetary.
Two brighter curved areas give the impression of spiral strucure.
The very center of the nebulosity does not get near the central star,
somewhat like M-42, where the nebulosity has been blown away from
the central Trapezium.