About 550 light-years away in the constellation of Cassiopeia lies IC 63, a stunning and slightly eerie nebula. Gamma Cassiopeiae was identified as an X-ray source in 1976, but it was unclear whether the star itself was the source or it had a mass-accreting binary companion. 2.24) and Caph (mag. It is the only known starburst galaxy in the Local Group. Gamma Cassiopeia Nebula – kaufen Sie dieses Foto und finden Sie ähnliche Bilder auf Adobe Stock 4.92 – 5.39) in Canis Major. Officially known as IC 63, the Nebula was photographed by Hubble in August 2016. It is the prototype of the class of Gamma Cassiopeiae variable stars. Other bright stars that are examples of this include Achernar, Alderamin, Altair, Rasalhague, Regulus, and Vega. NGC 189 has an apparent magnitude of 8.8 and occupies 3.7’ of the sky, and NGC 129 shines at magnitude 6.5 and has an apparent size of 21’. Gamma Cassiopeiae is an eruptive variable star, whose apparent magnitude changes irregularly between +1.6 and +3.0. Seen from locations south of the equator (where the asterism is visible), it always appears inverted. The best time of year to see the stars and deep sky objects of Cassiopeia is during the month of November, when the constellation is prominent in the evening sky. Gamma Cassiopeiae has a mass 17 times that of the Sun and, as it ended its main sequence lifetime, it has expanded to a size of 10 solar radii. Complex nebula to capture (only mag. At dusk, it will become visible around 19:33 (PDT), 47° above your north-eastern horizon. Looking through our home galaxy - the Mikly Way with its countless wonders as well as at other galaxies closer or more distant from the Milky Way, all of that make us to believe that one day we could better understand the universe and our role in it. It allows us to look into the history and take a picture of it. Thanks to astrophotography you can see things not not available to an open eye, a colorfull wonders of the Universe. With a temperature of 25,000 K, a mass 17 times that of the Sun, luminosity 34,000 times solar, and an age of 8 million years, Gamma Cassiopeiae is the youngest, most luminous, hottest and most massive of the five stars that form the W. At a distance of 550 light years, it is also by far the most distant. “The Ghost Nebula is part of a much larger nebulous region surrounding Gamma Cassiopeiae that measures approximately two degrees on the sky – … The asterism is part of the Legs mansion, which represents the tail of the White Tiger of the West. Notable deep sky objects in the constellation include the neighbouring Heart and Soul nebulae (IC 1805 and IC 1848), two large emission nebulae 7,500 light years away, the emission nebulae NGC 281 (the Pacman Nebula) and NGC 7635 (the Bubble Nebula), the open clusters Messier 52, Messier 103, NGC 457 (the E.T. Best Solar 2018. Mounts:Mesu 200 Mk2, Skywatcher EQ6R Pro. Gamma can emit 10 times higher the amounts of X-ray radiation than that of other B class stars. The binary nature of the star was confirmed in 2011. The deep sky objects around Cassiopeia’s W, image: Wikisky. 2020 Equipment: ATIK 460EX with EFW2, Skywatcher f5.5 Esprit 100 ED refractor, Avalon Linear mount, guiding with Lodestar X2/PHD. The open clusters NGC 189 and NGC 129 appear in the area between Gamma Cassiopeiae and its bright neighbour Caph, the rightmost star of the W asterism. Date: October 2014 Location: Roztoki Gorne, Bieszczady Mountains CCD: Canon 6D (modified) Scope: Takahashi Epsilon 130D @F3.3 Mount: AP600GTO Exposure 5 hours 20 minutes Processing: MaximDL, Photoshop You can follow any … Gamma Cassiopeiae, also known as Navi, is the prototype Gamma Cassiopeiae variable star, a type of star that has a variable disc of material flung off by the high rotation rate of the star. Please take a deep breath and dive in together with me if you have not done it already. It exhibits irregular variations in brightness, which ranges between 2.20 magnitudes and 3.40 magnitudes. Their brightness varies with an amplitude of about a magnitude. From Redmond , Gamma Cassiopeiae Nebula is visible all night because it is circumpolar. Thousands of new, high … It will then reach its highest point in the sky at 20:44, 65° above your northern horizon. astrokuky. The brightest star belonging to this group is Achernar in the constellation Eridanus, the ninth brightest star in the sky. Gamma Cassiopeiae. Cassiopeia is a constellation found in the northern sky. It exhibits irregular variations in brightness, which ranges between 2.20 magnitudes and 3.40 magnitudes. 5 months ago. The star pattern appears as a W during the northern hemisphere spring and summer. The periods when the disks are particularly strong and the brightness increases are called shell events. Gamma Cassiopeiae is an eruptive variable star. Its brightness has been slowly increasing since to about magnitude 2.2. Gamma Cassiopeiae forms Cassiopeia’s W asterism with Segin (Epsilon Cassiopeiae), Ruchbah (Delta Cassiopeiae), Schedar (Alpha Cassiopeiae) and Caph (Beta Cassiopeiae). 99% Upvoted. Gamma Cassiopeiae Nebula Contains: IC 63 , gamma Cas nebula , IC 59 , The star Navi (γCas) It is one of the five stars that form Cassiopeia’s recognizable W asterism. 2.28). Gamma Cassiopeiae itself usually shines at magnitude 2.25, but it has been observed to fade to magnitude 3.0 and brighten to magnitude 1.6. Gamma Cassiopeiae star. Gamma Cassiopeiae underwent two such events in 1935-36 and 1939-40, brightening to above magnitude +2.0, then rapidly dimming to magnitude +3.4. Although it is a fairly bright star with an apparent visual magnitude that varies from 1.6 to 3.0. Aufgrund ihrer geringen Flächenhelligkeit werden die beiden Nebel auch als Geisternebel (Ghost Nebula) oder … save hide report. Segin, the other hot class B star in the asterism, has 9.2 solar masses, a temperature of 15,174 K, a luminosity 2,500 times that of the Sun and it is about 140 light years closer to us. Gamma Cassiopeiae, Caph, NGC 129, NGC 189 and IC 10, image: Wikisky. With a declination of +60° 43’, the star is visible from all locations north of the equator, but cannot be seen south of the latitude 29° S. Observers in southern latitudes where the star rises can only see it appear low above the horizon at certain times of year. 3.44), Fulu (Zeta Cas, mag. If there is a transient disk, they are classified as Gamma Cassiopeiae variables. The name Tsih (sometimes spelled Cih) comes from the star’s Chinese name, 策 (Cè), meaning “whip.” Gamma Cassiopeiae is the sole star in the Chinese Whip asterism. From Virginia Beach , Gamma Cassiopeiae Nebula is visible all night. IC 59 lies a bit farther from the star and shows less hydrogen-alpha emission and more reflected blue light. The nebula is being blasted by a torrent of radiation from a nearby, blue-giant star called Gamma Cassiopeiae, which can be easily seen with the unaided eye at the center of the distinctive "W" asterism that forms the constellation. The emission-reflection nebulae IC 59 and IC 63 lie only 3-4 light years from the star. The entire constellation is visible from locations between the latitudes 90° N and 20° S. The 10 brightest stars in Cassiopeia are Gamma Cassiopeiae (mag. Informally known as Navi, it is one of the four brightest stars in Cassiopeia. The colours in the eerie nebula showcase how the nebula is affected by the powerful radiation from the distant star. 8 Celestron scope. In the late 1930s it underwent what is described as a shell episode and the brightness increased to above magnitude +2.0, then dropped rapidly to +3.4. As a result, its equatorial radius is larger than its polar radius, giving the star a flattened shape. These stars exhibit irregular brightness variations over periods of decades. 495. The Sun with its planet system, moons travelling around the planets or our gests - comets visiting us from time to time. Their brightness varies with an amplitude of about a magnitude. If you would like to get a little bit more serious with this hobby, you would need to have acces to some astronomy equipment and accessories, including telescopes, telescope mounts, eyepieces, filters, and software or star charts. A study of the star’s X-ray flux found variations with a period interpreted as the star’s rotational period (1.21 days), indicating that the X-rays did not come from a companion. GAMMA CAS (Gamma Cassiopeiae). Während beim etwas helleren Nebel IC 63 der rötliche Emissionsanteil überwiegt, dominieren beim blasseren IC 59 die bläulichen Reflexionsanteile. Posted by. Gamma Cassiopeiae location, image: Wikisky. The variations … Additionally, they have very low surface brightness and can only be spotted in 10-inch or larger telescopes if observing conditions are not ideal. Jul 12, 2020 - A 9.8 hour exposure of the nebula surrounding the star Gamma Cassiopeiae Equipment: Mount: iOptron CEM60 Telescope: 8" Orion Newtonian Astrograph 800mm f/3.9 Guide scope: Orion CT80 Camera: Modified Canon T5 Guide Camera: Lodestar x2 Accessories: Baader MPCC III, Astronomik CLS-CCD Clip-in Filter Software: APT, PHD2, DSS, PixInstight, Lightroom Typically, they are fast spinning class B subgiants, giants or sometimes main sequence stars, that show brightness variations with larger amplitudes than other Be stars. HUBBLE TELESCOPE SPOTS A 'SPACE INVADER' Gamma Cassiopeiae is a prototype for its own class of variable stars known as the Gamma Cassiopeiae variables. Its poles are closer to the centre of mass and therefore hotter and more luminous than the equatorial region. Complex nebula to capture (only mag. The Ghost Nebula (IC 63), image: ESA/Hubble, NASA (CC BY 4.0). Gamma Cassiopeiae is a star at the center of the distinctive "W" asterism in the northern circumpolar constellation of Cassiopeia. Pictures, altitude charts, data sheet and sky map for Gamma Cassiopeiae Nebula - - Bright nebula in Cassiopeia Constellation GAMMA CAS (Gamma Cassiopeiae). Both nebulae lie at an approximate distance of 610 light years. Gamma Cas is the middle star of Cassiopeia, a 2nd magnitude star that is the prototype for a class of eruptive variable stars. Measurements of the star’s radial velocities led to the discovery that Gamma Cassiopeiae was a spectroscopic binary system. 1.6 – 3.0), Schedar (Alpha Cas, mag. Gamma Cassiopeiae is very easy to find. Gamma Cassiopeiae is 70,000 times more luminous than the Sun and is surrounded by two faint reflection / emission nebulae, IC 59 and IC 63. The bright star Gamma Cas is attended by two large wisps of nebulosity, IC 59 and IC 63. The star is running out of the supply of hydrogen in its core and is on its way to evolving into a giant. Gamma Cassiopeiae also has two visual companions, catalogued as components B and C. The first companion is a magnitude 11 star separated by about 2 arcseconds from the primary, and the second is a magnitude 13 star almost an arcsecond away from the primary. Even though it is a very young star, Gamma Cassiopeiae has already left the main sequence and begun its death process. This celestial ghost makes the perfect backdrop for the upcoming feast of All … Shell stars) oder Gamma-Cassiopeiae-Sterne (GCVS-Bezeichnung GCAS) bezeichnet, wobei sich die Helligkeit im Visuellen um bis 2,5 Magnituden ändert. Closer to Caph, the irregular galaxy IC 10 has an apparent magnitude of 10.4 and lies 2.2 million light years from the Sun. share. Many Be stars are variable in brightness. I really like this ‘subject’ … and you did a great job on it. IC 59 / gamma Cas nebula IC 63 / gamma Cas nebula The star γCas —— If you would like to have other images solved, please submit them to the astrometry group. At dusk, it will become visible around 19:33 (PDT), 47° above your north-eastern horizon. Gamma Cassiopeia Region Gamma Cassiopeiae is an exceptionally fast spinner, with a projected rotational velocity of 432 km/s. that they are orbiting around a common centre of mass. Schedar (alpha Cassiopeiae - α Cas) - is a magnitude +2.24 orange giant star, located 228 light-years distant. Gamma Cassiopeiae is a prototype for its own class of variable stars known as the Gamma Cassiopeiae variables. Thanks for any advice. Schedar can be used to find the bright emission nebula NGC 281, popularly known as the Pacman Nebula. 3.37), Achird (Eta Cas, mag. It is famous for its distinctive “W” shape. This is the gamma-Cassiopeia Nebula. Gamma Cassiopeiae can be used to find several interesting deep sky objects. The “e” suffix indicates hydrogen emission lines in the star’s spectrum. Made with 15cm F6.2 newton captured with 350d mod and Astronomic's CLS filter, against light polution exposer 6x400 seconds guide with PHD and … The star Gamma Cassiopeiae unleashes the energy of 34,000 Suns, it adds. The bright star near the center, Navi, is part of the constellation Cassiopeia, and it ionizes the nearby gases in the emissions and reflections nebula cataloged as IC 63 and IC 59. Guiding … However the final results would also depend on the quality of skies you use and which should be affected by light polution as little as possible and your processing skils. The emission lines in these stars are believed to come from circumstellar disks of material ejected from the stellar surfaces as a result of rapid rotation. Cassiopeia is home to many interesting stars. The blue light of the nebula is the light from the star reflected by the dust in the nebula. For more distant galaxies it might be more than 65 million years so you might be looking at an image when dinosaurs still lived on our planet Earth. The name Navi (Ivan spelled backwards) was given to it by the American astronaut Virgil Ivan “Gus” Grissom, commander of the Apollo 1 mission, which ended with the deaths of all three crew members during a pre-launch test on January 27, 1967. Gamma Cassiopeiae Nebula (IC63) DSOs. Originally, the name was applied to Kappa Cassiopeiae and Gamma Cassiopeiae represented one of the horses pulling the chariot of Wang Liang, but this was later changed and Gamma came to represent the whip. Wang Liang is a legendary charioteer represented by an asterism formed by Caph, Schedar, Achird, Kappa Cassiopeiae and Lambda Cassiopeiae. It has an apparent magnitude of 7.0 and lies at a distance of 2,143 light years. Amateur astronomy can be a rewarding and fascinating hobby. The star was reported to be a binary with a period of 203.59 days in a study published in 2000. Cassiopeia constellation, image: Roberto Mura. Your email address will not be published. It will then reach its highest point in the sky at 20:44, 65° above your northern horizon. 4.16), and Theta Cassiopeiae (mag. It will become visible around 17:55 (EST) as the dusk sky fades, 54° above your north-eastern horizon. Gamma Cassiopeiae Nebula (IC63) DSOs. Gamma Cassiopeiae lies at a distance of 550 light years from Earth. Reply . Vermutlich handelt es sich um ein enges Doppelsternsystem, bestehend aus einem Riesenstern und einem Neutronenstern. 4.8 – 5.5), Lambda Pavonis in Pavo (mag. ISO 1000. The component B has a similar space velocity to Gamma Cassiopeiae and may be a physical companion at a separation of at least 370 light years, orbiting with a period of at least 1,500 years. Grissom had used the name Navi as a joke on his planning charts for the mission and succeeding Apollo astronauts kept using it as a memorial. The star is a known X-ray source. Gamma Cassiopeiae Nebula (IC63) Technical card Imaging telescopes or lenses:Teleskop Service TS Photoline 107mm f/6.5 Super-Apo, Altair Astro RC250-TT 10" RC Truss Tube. Gamma Cassiopeiae has a luminosity 40,000 times that of our Sun. As another effect of the star’s fast rotation, a lot of material from the surface is ejected and forms a hot disk of gas. I have only Ha ‘detail’ on it . Achernar was only recognized as a Be star in 1976. It has since been gradually brightening back to around +2.2. Like other exceptionally massive stars, it has evolved very quickly and will not live a very long life. 3.66), 50 Cassiopeiae (mag. 3.95), Kappa Cassiopeiae (mag. Gamma Cassiopeia Region Emission and reflection nebulas located in Cassiopeia. Date: November 2nd, 3rd, 4th, 15-16th. Cassiopeia is one of the 88 modern constellationswe see today. Im Maximum erreicht er eine Helligkeit von 1,6 mag und wird damit noch heller als Schedir. With a surface temperature of 25,000 K, it is 34,000 times more luminous than the Sun, but most of its output is in the invisible ultraviolet. Reply . Also known as the ghost of Cassiopeia, IC 63 is being shaped by radiation from a nearby unpredictably variable star, Gamma Cassiopeiae, which is slowly eroding away the ghostly cloud of dust and gas. Gamma Cassiopeiae Nebula (IC63) « del : Sáb, 16-Nov-2019, UTC 22h.30m. It lies near several other constellations associated with the myth of Perseus: Perseus, Andromeda, Cepheus and Pegasus. It is one of the 48 Greek constellations, first listed by the Greek astronomer Claudius Ptolemy in the 2nd century CE. 4.334). Cassiopeia (the Queen) and Cepheus (the King) Border, From IC348 to NGC1333 (star field in Perseus). The star’s estimated age is only 8 million years. It was one of the 48 constellations listed by the 2nd-century Greek astronomer Ptolemy. Gamma Cassiopeiae and other variables of this type are eruptive stars. Stars classified as Gamma Cassiopeiae variables include Gomeisa in Canis Minor (mag. High overhead in northern autumn evenings lies the W- shaped constellation Cassiopeia, in mythology the Queen and mother to Andromeda, to us brilliant against the background of the Milky Way and fully circumpolar from most of the United States and all of Canada. Required fields are marked *, You may use these HTML tags and attributes:
, “To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge.” - Nicolaus Copernicus. I believe that the information on my page should also give you a view on the equipment which I would recommend or currently use for purouses of the hobby. It was the first star to be identified as a Be star, by the Italian astronomer Angelo Secchi in 1866. Gamma Cassiopeiae has the stellar classification B0.5 IVe, indicating a subgiant star appearing blue or blue-white in colour. The X-ray radiation emanating from the star is about 10 times stronger than the radiation detected from other Be or B stars. Gamma Cassiopeiae ist ein unregelmäßig veränderlicher Stern der Spektralklasse B0 in 800 Lichtjahren Entfernung. 2.24), Caph (Beta Cas, mag. Looking at the Sun we can see how it looked like cirrca about 8 minutes ago. 10), also with this dominant variable star close who makes so difficult obtain all details and nuances. Emission and reflection nebulas located in Cassiopeia. If they are believed to be pulsating stars, they are classified as Lambda Eridani variables. Acamar Achernar Acrux Adhara Albireo Alchiba Alcor Alcyone Aldebaran Alderamin Algenib Algol Algorab Alhena Alioth Alkaid Alkes Almach Alnair Alnilam Alnitak Alpha Centauri Alphard Alphecca Alpheratz Altair Aludra Ankaa Anser Antares Arcturus Ascella Asterope Atlas Atria Avior Baten Kaitos Bellatrix Betelgeuse Bharani Canopus Capella Caph Castor Celaeno Deneb Denebola Diphda Dubhe Electra Elnath Eltanin Enif Fomalhaut Gacrux Gamma Cassiopeiae Gienah Ginan Hadar Hamal Imai Izar Kaus Australis Kaus Borealis Kaus Media Kepler-22 Kraz Maia Marfik Markab Megrez Meissa Menkalinan Menkar Menkent Merak Merope Mesarthim Methuselah Star Miaplacidus Mimosa Minkar Mintaka Mira Mirach Mirfak Mirzam Mizar Mu Cephei Naos Nunki Peacock Phecda Pleione Polaris Pollux Procyon Proxima Centauri Rasalhague Regulus Rho Ophiuchi Rigel Rigil Kentaurus Ruchbah Sabik Sadr Saiph Sargas Scheat Schedar Segin Seginus Shaula Sheratan Sirius Spica Stephenson 2-18 Suhail Taygeta Thuban Toliman Unukalhai UY Scuti Vega VV Cephei VX Sagittarii Wasat Wezen WOH G64 Zeta Reticuli Zubenelgenubi Zubeneschamali, Navi, Tsih, Gamma Cassiopeiae, γ Cas, 27 Cassiopeiae, HD 5394, HR 264, HIP 4427, SAO 11482, FK5 32, BD+59°144, GC 1117, GCRV 526, PPM 12597, AG+60 106, ALS 6407, JP11 439, PLX 185.00, MCW 46, IRAS 00536+6026, TYC 4017-2319-1, 2MASS J00564251+6043002, ADS 782, Gaia DR2 426558460877467776, UBV 833, AAVSO 0050+60, WDS 00567+6043, CCDM J00567+6043A.