Saturn nebula

(redirected from NGC 7009)

Saturn nebula

See Aquarius.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

Saturn Nebula

[′sa‚tərn ‚neb·yə·lə]
(astronomy)
A double-ring planetary nebula in the constellation Aquarius, about 700 parsecs away.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The marvelous Saturn Nebula (NGC 7009) is next to Nu (v) Aquarii but is almost due east of Alpha Capricorni.
Even though planetary nebulae have nothing at all to do with planets, NGC 7009 or Saturn Nebula is so-named for the resemblance it bears to the ringed planet we all know from our solar system.
The globular clusters M2 and M72 are popular targets, as is the planetary nebula NGC 7009, commonly known as the Saturn Nebula because of its likeness to Saturn through a small telescope.
The Saturn Nebula, NGC 7009, is named for its similarity to the iconic ringed planet when seen almost edge-on, as it is this year.
Considerably farther to the southeast are the other planetaries, both in Aquarius: the small, intense Saturn Nebula (NGC 7009) and the great-in-total-brightness but huge and thus low surface brightness Helix Nebula (NGC 7293).
One striking example is that of H IV-1 (NGC 7009, the Saturn Nebula in Aquarius), which he calls "Prodigious!
The beautiful planetary NGC 7009 (widely know as the Saturn Nebula) also inhabits this part of the sky, handily resting 1.3[degrees] west of deep yellow, 4.5-magnitude Nu (v) Aquarii.
Look for it passing just 0.3[degrees] southeast of the small but bright Saturn Nebula, NGC 7009, on the night of July 23rd.
For deep-sky hunters, Aquarius contains two of the best-known planetary nebulae: the small, intense Saturn Nebula (NGC 7009) and the very large, low-surface-brightness Helix Nebula (NGC 7293).
At this time of year NGC 7009, the Saturn Nebula in Aquarius, makes a good comparison.