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Sextans Constellation Map
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Unterschrift: The constellation Sextans with its brighter stars and surrounding constellations. Sextans is surrounded by (going clockwise from the top): Leo, Hydra and Crater. Sextans is a small constellation with relatively few bright stars.
Sextans spans the celestial equator and thus parts of the constellation are visible at some point in the year across the Earth. The whole constellation is visible in all but the most arctic and most antarctic regions. Sextans is best viewed in the evening in the northern hemisphere spring and southern hemisphere autumn.
The lenticular galaxy NGC 3115 lies in Sextans. It is marked here with a red ellipse.
The y-axis of this diagram is in degrees of declination with north as up and the x-axis is in hours of right ascension with east to the left. The sizes of the stars marked here relate to the star's apparent magnitude, a measure of its apparent brightness. The larger dots represent brighter stars. The Greek letters mark the brightest stars in the constellation. These are ranked by brightness with the brightest star being labeled alpha, the second brightest beta, etc., although this ordering is not always followed exactly. The dotted boundary lines mark the IAU's boundaries of the constellations and the solid green lines mark one of the common forms used to represent the figures of the constellations. The blue line at the top of the diagram marks the ecliptic. Neither the constellation boundaries, nor the lines joining the stars, nor the ecliptic, appear on the sky.
Bild: Adapted by the IAU Office of Astronomy for Education from the original by the IAU and Sky & Telescope
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Glossar-Begriffe:
Scheinbare Helligkeit , Himmelskoordinaten , Himmelsäquator , Sternbild , Deklination , Ekliptik , Löwe , Rektaszension (RA) , Linsenförmige Galaxie
Kategorien:
Astronomie mit bloßem Auge
Lizenz: Creative Commons Namensnennung 4.0 International (CC BY 4.0) Creative Commons Namensnennung 4.0 International (CC BY 4.0) Symbole
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Vulpecula Constellation Map
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Unterschrift: The constellation Vulpecula with its brighter stars and surrounding constellations. Vulpecula is surrounded by (going clockwise from the top): Cygnus, Lyra, Hercules, Sagitta, Delphinus and Pegasus.
Vulpecula is a northern constellation and thus the whole constellation is visible at some point in the year throughout the northern hemisphere. The whole constellation is also visible in equatorial and temperate regions of the southern hemisphere. Vulpecula is best viewed in the evening in the northern hemisphere early autumn and southern hemisphere early spring.
The planetary nebula M27, commonly known as the Dumbbell Nebula lies in Vulpecula and is marked here with a green cross superimposed on a plus sign. The open cluster NGC 6885 also lies in Vulpecula and is marked here with a yellow circle.
The y-axis of this diagram is in degrees of declination with north as up and the x-axis is in hours of right ascension with east to the left. The sizes of the stars marked here relate to the star's apparent magnitude, a measure of its apparent brightness. The larger dots represent brighter stars. The Greek letters mark the brightest stars in the constellation. These are ranked by brightness with the brightest star being labeled alpha, the second brightest beta, etc., although this ordering is not always followed exactly. The dotted boundary lines mark the IAU's boundaries of the constellations and the solid green lines mark one of the common forms used to represent the figures of the constellations. Neither the constellation boundaries, nor the lines joining the stars appear on the sky.
Bild: Adapted by the IAU Office of Astronomy for Education from the original by the IAU and Sky & Telescope
Link zur Quelle
Glossar-Begriffe:
Scheinbare Helligkeit , Himmelskoordinaten , Sternbild , Deklination , Planetarischer Nebel , Rektaszension (RA) , Offener Sternhaufen
Kategorien:
Astronomie mit bloßem Auge
Lizenz: Creative Commons Namensnennung 4.0 International (CC BY 4.0) Creative Commons Namensnennung 4.0 International (CC BY 4.0) Symbole
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Waage-Sternbildkarte
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Unterschrift: Das Sternbild Waage mit seinen hellen Sternen und den umliegenden Sternbildern. Die Waage ist im Uhrzeigersinn von oben gehend umgeben von dem Kopf der Schlange, Jungfrau, Wasserschlange, Zentaur, Wolf, Skorpion und Schlangenträger. Die Waage liegt auf der Ekliptik (hier als blaue Linie dargestellt), das ist der Weg, den die Sonne im Laufe eines Jahres über den Himmel zu nehmen scheint. Die Sonne befindet sich von Ende Oktober bis Ende November in der Waage. Die anderen Planeten des Sonnensystems sind oft in der Waage zu finden.
Die Waage liegt knapp südlich des Himmelsäquators und ist daher in allen Regionen mit Ausnahme der arktischsten im Laufe des Jahres irgendwann einmal sichtbar. Am besten zu sehen ist die Waage abends auf der Nordhalbkugel im späten Frühling/Frühsommer und auf der Südhalbkugel im Spätherbst/Frühwinter.
Die y-Achse dieses Diagramms ist in Deklinationsgraden mit Norden nach oben und die x-Achse in Stunden der Rektaszension mit Osten nach links. Die Größe der hier markierten Sterne bezieht sich auf die scheinbare Helligkeit des Sterns. Je größer die Punkte, desto heller scheinen die Sterne die sie darstellen. Die griechischen Buchstaben kennzeichnen die hellsten Sterne des Sternbildes. Diese sind nach Helligkeit geordnet, wobei der hellste Stern mit Alpha, der zweithellste mit Beta usw. bezeichnet wird, obwohl diese Reihenfolge nicht immer genau eingehalten wird. Die gepunkteten Begrenzungslinien markieren die IAU-Grenzen der Sternbilder und die durchgezogenen grünen Linien markieren eine der üblichen Formen, die zur Darstellung der Sternbilder verwendet werden. Weder die Sternbildgrenzen, noch die Linie, die die Ekliptik markiert, noch die Linien, die die Sterne verbinden, sind am Himmel sichtbar.
Bild: Angepasst vom IAU Office of Astronomy for Education nach dem Original von IAU/Sky & Telescope
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Glossar-Begriffe:
Scheinbare Helligkeit , Himmelskoordinaten , Sternbild , Deklination , Ekliptik , Waage , Rektaszension (RA) , Skorpion , Tierkreis , Jungfrau
Kategorien:
Astronomie mit bloßem Auge
Lizenz: Creative Commons Namensnennung 4.0 International (CC BY 4.0) Creative Commons Namensnennung 4.0 International (CC BY 4.0) Symbole
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Boötes Constellation Map
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Unterschrift: The constellation Boötes with its bright stars and surrounding constellations. Boötes is surrounded by (going clockwise from the top): Draco, Ursa Major, Canes Venatici, Coma Berenices, Virgo, Serpens Caput, Corona Borealis and Hercules. It is notable for its brightest star Arcturus which is the fourth brightest star in the night sky.
Boötes is a northern constellation and the whole constellation is visible to the entire northern hemisphere at some point in the year. Parts of the constellation are visible from all but the most antarctic parts of the southern hemisphere but the whole constellation is only visible from equatorial and some temperate parts of that hemisphere. Boötes is most visible in the evenings in the northern hemisphere summer and southern hemisphere winter.
The y-axis of this diagram is in degrees of declination with north as up and the x-axis is in hours of right ascension with east to the left. The sizes of the stars marked here relate to the star's apparent magnitude, a measure of its apparent brightness. The larger dots represent brighter stars. The Greek letters mark the brightest stars in the constellation. These are ranked by brightness with the brightest star being labeled alpha, the second brightest beta, etc., although this ordering is not always followed exactly. The dotted boundary lines mark the IAU's boundaries of the constellations and the solid green lines mark one of the common forms used to represent the figures of the constellations. Neither the constellation boundaries, nor the lines joining the stars appear on the sky.
Bild: Adapted by the IAU Office of Astronomy for Education from the original by the IAU and Sky & Telescope
Link zur Quelle
Glossar-Begriffe:
Scheinbare Helligkeit , Himmelskoordinaten , Sternbild , Deklination , Rektaszension (RA)
Kategorien:
Astronomie mit bloßem Auge
Lizenz: Creative Commons Namensnennung 4.0 International (CC BY 4.0) Creative Commons Namensnennung 4.0 International (CC BY 4.0) Symbole
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Corona Australis Constellation Map
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Unterschrift: The constellation Corona Australis with its brighter stars and surrounding constellations. Corona Australis is surrounded by (going clockwise from the top): Sagittarius, Scorpius, Ara and Telescopium. This constellation has relatively few bright stars.
Corona Australis is a southern constellation and thus the whole constellation is visible in the southern hemisphere at some point in the year. The constellation can also be viewed from equatorial and some temperate regions of the northern hemisphere. The constellation is best viewed in the evening in the northern hemisphere summer and southern hemisphere winter.
The globular cluster NGC 6541 lies in Corona Australis and is marked here with a yellow circle with a plus sign superimposed on it.
The y-axis of this diagram is in degrees of declination with north as up and the x-axis is in hours of right ascension with east to the left. The sizes of the stars marked here relate to the star's apparent magnitude, a measure of its apparent brightness. The larger dots represent brighter stars. The Greek letters mark the brightest stars in the constellation. These are ranked by brightness with the brightest star being labeled alpha, the second brightest beta, etc., although this ordering is not always followed exactly. The dotted boundary lines mark the IAU's boundaries of the constellations and the solid green lines mark one of the common forms used to represent the figures of the constellations. Neither the constellation boundaries, nor the lines joining the stars appear on the sky. The blue line at the top right of the diagram marks the ecliptic.
Bild: Adapted by the IAU Office of Astronomy for Education from the original by the IAU and Sky & Telescope
Link zur Quelle
Glossar-Begriffe:
Scheinbare Helligkeit , Himmelskoordinaten , Sternbild , Deklination , Ekliptik , Kugelsternhaufen , Rektaszension (RA) , Skorpion , Schütze
Kategorien:
Astronomie mit bloßem Auge
Lizenz: Creative Commons Namensnennung 4.0 International (CC BY 4.0) Creative Commons Namensnennung 4.0 International (CC BY 4.0) Symbole
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