NGC 7662 - the blue Snowball Nebula (Mario Zauner)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: 13 And · Blue Snowball · NGC 7618 · NGC 7640 · NGC 7662 · PK106-17.1 · The star 13And

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NGC 7662 - the blue Snowball Nebula

Link: https://www.dielichterdernacht.at

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NGC 7662 - the blue Snowball Nebula

Link: https://www.dielichterdernacht.at

NGC 7662 ist ein planetarischer Nebel mit den Abmessungen 0,99' × 0,71' und einer scheinbaren Helligkeit von +8,3 mag im Sternbild Andromeda. Er ist 5000–6000 Lichtjahre vom Sonnensystem entfernt und hat eine Ausdehnung von etwa 50–60.000 Astronomischen Einheiten [4].
Er wird auch Blauer Schneeball (Nebel) genannt; dieser Spitzname stammt vom Amateurastronomen Leland S. Copeland.Seine namensgebende blau-grüne Farbe stammt von zum Leuchten angeregtem Sauerstoff. Für das Leuchten ist der sehr heiße Zentralstern verantwortlich, ein Weißer Zwerg mit einer ungefähren Oberflächentemperatur von 75.000 Kelvin. Seine energiereiche UV-Strahlung ionisiert den Sauerstoff gleich zweifach (O-III), so dass das Gas Licht bei einer Wellenlänge von 5007 und 4959 Ångströmaussendet, das wir als blau-grün wahrnehmen[5].NGC 7662 wurde am 6. Oktober 1784 vom deutsch-britischen Astronomen Wilhelm Herschel entdeckt.
(*Wikipedia)

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Status	Advanced success
Started	...
Astrometry.net job	4985225
PixInsight job	3SKCJV5VWLEM9VLQOUKR5ACBUJUSSYN7
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	23h25m14s.36
RA (top/left)	23h31m00s.60
RA (top/right)	23h29m40s.80
RA (bottom/right)	23h19m14s.11
RA (bottom/left)	23h21m01s.60

Dec (center)	+42°12′56″.7
Dec (top/left)	+40°48′50″.2
Dec (top/right)	+43°47′12″.3
Dec (bottom/right)	+43°36′00″.0
Dec (bottom/left)	+40°38′23″.8

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NGC 7662 - the blue Snowball Nebula

NGC 7662 - the blue Snowball Nebula

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NGC 7662 - the blue Snowball Nebula

NGC 7662 - the blue Snowball Nebula

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