Perseus is a northern constellation which appears highest in the evening sky in the months around November. In addition to being The Alpha Persei Cluster is an open star cluster in Perseus. The Double Cluster in Perseus. Just as zero is not equal to infinity, everything coming from nothing is illogical. Also evaluated are the evolution and lifetime of the pair, as well as chemical composition and size (3900 solar masses for h-Perseus … Photo: CELESTIAL IMAGE CO. / SCIENCE PHOTO LIBRARY. In addition to being physically close together, the clusters' ages based on their individual stars are similar - evidence that both clusters were likely a product of the same star … Specific rights apply. The doublet is evaluated in terms of magnitude and color with help of the Hertzsprung-Russell diagram. It also contains hundreds of stars … notably cataloged the double cluster, shown above, is bright enough to be seen from a The two open star cluster NGC 869 and NGC 884, commonly named h Per and chi Per, are the famous Double Cluster of Perseus (located at the northern edge). The clusters are over 7,000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. This was my last image with my EON APO with my old ASI1600MM-COOL before swapping to my new ASI294MM-PRO camera. NGC 1023: This is a barred spiral galaxy. by Ann » Wed Nov 18, 2020 7:54 pm, Post Perseus is the 24th largest constellation in the sky. Also known as "h and chi Persei", this unusual double cluster, shown above, is bright enough to be seen from a dark location without even binoculars.Although their discovery surely predates recorded history, the … The clusters are over 7,000 light years distant toward the of Perseus, by Ann » Wed Nov 18, 2020 9:26 pm, Return to “The Bridge: Discuss an Astronomy Picture of the Day”. dark location without even Also known as "h and chi Persei", this unusual Alpha Persei Cluster (Melotte 20, Collinder 39) The Alpha Persei Cluster is an open star cluster in Perseus. The Perseus cluster black hole's B-flat, by contrast, is 57 octaves below middle C or one million, billion times lower than the lowest sound audible to the human ear! by E Fish » Wed Nov 18, 2020 2:06 pm, Post The Double Cluster can be spotted in the middle of an imaginary line that links the Cassiopeia star Ruchbach, and the star Miram in the constellation of Perseus. however, could be considered doubly impressive. The Double Cluster is not included in Messier's catalog, but is included in the Caldwell catalogue of popular deep-sky objects. S Persei is a red supergiant or hypergiant star located near the Double Cluster in Perseus, situated at 7,900 light-years away from us. I feel like most people's comments on the images we get are so intelligent and/or clever and I'm like, "Oooh, pretty!". It is one of the 48 ancient constellations listed by the 2nd-century astronomer Ptolemy, and among the 88 modern constellations defined by the International Astronomical Union (IAU). Located on the edge of the Perseus Constellation, the collection of gas and dust is about 1,000 light-years from Earth and about 500 light-years wide. Star cluster Messier 6. by neufer » Wed Nov 18, 2020 4:43 pm, Post by neufer » Wed Nov 18, 2020 1:44 pm, Post Perseus, the celestial hero, stands well up in the east by mid-evening. by APOD Robot » Wed Nov 18, 2020 5:06 am, Post by Ann » Wed Nov 18, 2020 4:38 pm, Post Also named Caldwell 14 or simply “The Double Cluster”, both star clusters are very similar to each other in size, magnitude, and age. However, only two of these are prominent from light-polluted locations: Mirfak and Algol . Abell 426: Abell 426 or the Perseus cluster is a massive group of thousands of galaxies. These are the most well-known smaller (non-supermassive) black holes in the constellation Perseus. double cluster. It is one of the 48 ancient constellations listed by the 2nd-century astronomer Ptolemy, and among the 88 modern constellations defined by the International Astronomical Union. by johnnydeep » Wed Nov 18, 2020 7:43 pm, Post It contains several blue stars, the … The Double Cluster in Perseus (NGC 869 and NGC 884) are two open clusters in the constellation Perseus. Open clusters NGC 869 and NGC 884, by Ann » Wed Nov 18, 2020 6:10 am, Post Most star clusters are singularly impressive. Viewed in a clear dark night the clusters appear to the naked eye as one hazy patch in the sky. NGC 1275 consists of two galaxies. Hipparchus NGC 1275 is the dominant galaxy in the Perseus Cluster. NASA / The number of stars jumps significantly when a telescope is used to view the individual clusters. It is located near several other constellations named after ancient Greek legends surrounding Perseus, including Andromeda to the west and Cassiopeia to the north. Although their discovery surely predates The estimated age of the cluster … It was quite impressive! Privacy Policy and Important Notices. The picture (right) captures an area about 1.5 million light years wide. The clusters were likely formed in the same star forming cloud in the Perseus Arm of the Milky Way and both belong to the Perseus OB1 association, a group of extremely massive stars. Greek astronomer Hipparchus cataloged the object (a patch of light in Perseus) as early as 130 BCE. Other bright members of the cluster include Delta, Epsilon, and Psi Persei. by BDanielMayfield » Wed Nov 18, 2020 6:12 pm, Post When we gaze that way, we’re looking toward the outskirts of the Milky Way Galaxy. APOD and General Astronomy Discussion Forum, Post However, the true nature of the Double Cluster was not discovered until the invention of the telescope, many centuries later. Although black holes cannot be seen directly, the smaller ones are at the center of some star clusters and supernova remnant nebulae, which can be seen. ... Perseus cluster. Authors & editors: I have not done that many star clusters, but this is one of the most popular to image. their individual stars are similar - evidence that both the clusters' ages About one hour of time lapse of the sky near Yosemite National Park. Perseus News and Updates. Photo: Greg Polanski. Explanation: The stars Mirfak, δ, ε and ζ form the body of Perseus. We invite you to contact us via email to the Perseus webmaster if you have any comments, questions, or concerns. It will be available as playable content in a later patch. clusters were likely a product of the same & Michigan Tech. A Double Star Cluster in Perseus Explanation: Most star clusters are singularly impressive.Open clusters NGC 869 and NGC 884, however, could be considered doubly impressive. This pair of open clusters lie about 7,000 light-years away from Earth. Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. but are separated by only hundreds of light years. Each day a different image or photograph of our fascinating universe is So the conclusion I take from this is that this double (open) cluster in Perseus really is unique, in that the two separate clusters are about the same size and age, and are physically close to each other (not just optically). GSFC The Spitzer image of the Perseus Molecular Cloud superposed on a much area of the sky in visible light, with constellations marked. NGC869 and NGC884 - Perseus Double Cluster in LRGB - posted in Experienced Deep Sky Imaging: NGC869 and NGC 884 - The Double Cluster in Perseus in LRGB. It spans more than 100,000 light-years. The clusters are over 7,000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. Optical observations with a 31 cm telescope are presented on photographic plates with attention to the double star configuration h-Perseus and Chi-Perseus. A service of: The RSI Perseus is being offered for the first time as a limited vehicle concept pledge. by johnnydeep » Wed Nov 18, 2020 3:49 pm, Post This one is best in high quality (attach &fmt=18 to the URL). Jerry Bonnell (UMCP) In terms of frequency (the time it takes a single sound wave to pass by), the lowest sounds a person can hear is 1/20th of a second. The two brightest galaxies at the centre of this cluster are NGC1272 (right) and NGC1275 (left). The two clusters are both massive and very much alike. The Bridge: Discuss an Astronomy Picture of the Day, ↳ The Bridge: Discuss an Astronomy Picture of the Day, ↳ Ship's Log: APOD Retrospectives and Collections, ↳ The Library: Information Desk and Educational Resources, ↳ The Communications Center: Breaking Science News, ↳ The Observation Deck: Latest Sky Photography, ↳ The Asterisk Café: Discuss Anything Astronomy Related, ↳ Classroom: Extraordinary Concepts in Physics, ↳ The Planetarium: Astronomy Seminar of the Week (ASOW), ↳ The Science Labs: Participate in Citizen Science or Smartphone Science, APOD: A Double Star Cluster in Perseus (2020 Nov 18), Re: APOD: A Double Star Cluster in Perseus (2020 Nov 18), https://en.wikipedia.org/wiki/Double_Cluster. The Perseus cluster is also fairly close to the plane of the Milky Way, so a lot of the faintest points of light in this image are actually foreground stars … This picture below shows the central part of the Perseus cluster. U. NASA Web NASA Official: Phillip Newman by Chris Peterson » Wed Nov 18, 2020 5:25 pm, Post Credit: NASA/JPL-Caltech Black Holes in Perseus. Proceeding west from Trumpler 2 are doubles STF 268 and STF 270 only 13 apart. Observation: South appears to be up in today's APOD, because when north is up, NGC 869 (the one without red giants) is to the right of NGC 884 (the one with the red giants. Discover the cosmos! Perseus is also bordered by Aries and Taurus to the south, Aurigato the e… binoculars. This star has an apparent magnitude of 9.23, however, its brightness is very unpredictable, varying from 7.9 to 12.0, at chaotic rates. constellation by orin stepanek » Wed Nov 18, 2020 8:16 pm, Post It shows binary star clusters and the open star cluster M34. The Double Cluster has been known since ancient times, but first catalogued only around 130 BC, when the Greek astronomer Hipparchos mentioned it as a “nebula” or “cloudy spot” in his writings. Diffuse globular cluster NGC 5053 (left) and rich globular cluster M53 (right). The Perseus Cluster is one of the most massive objects in the Universe, and contains thousands of galaxies immersed in an enormous cloud of superheated gas. Perseus is located in the Milky Way and covers an area of 615 square degrees. featured, along with a brief explanation written by a professional astronomer. In his hand he holds the head of Medusa, which is represented by the star Algol. One night decades ago I came across the Double Cluster by accident while randomly scanning the sky with a pair of new binoculars. The double star cluster is easily observed with the use of a small telescope. April 24, 2019: Current Projects and Initiatives based on (MTU) & In addition to being physically close together, the clusters' ages based on their individual stars are similar - evidence that both clusters were likely a product of the same star … An older, less massive cluster, Hodge 301, is at upper right. Please visit the Perseus Updates blog for news on project activities, research, and initiatives. Looking at the double cluster through binoculars is a beautiful sight, with both clusters of stars looking like two worlds dancing together. Trumpler 2 is an interesting open cluster due west of eta Pers - STF 307. Photo: ESO. M34: M34 is an open cluster that may be seen (barely) with the naked eye and is easily resolved with a small telescope. The clusters are over 7,000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. The Double Cluster of Perseus. I will start with STF 268 and STF 270. How to spot Perseus. Star cluster Messier 7. Photo: Bart Delsaert. The star complex formed by the cluster family appears to be inclined ∼30° with respect to the plane of the Milky Way but is part of the Perseus arm. In the early 19th century William Herschel was the first to recognize the object as two separate clusters. Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. Each of the Perseus clusters contains approximately 250 stars that are visible in 7-power binoculars. Our results for this cluster of clusters or family suggest that within a coherent cloud complex the first generation of star formation is triggered by the shock wave induced by a spiral arm. These two related star clusters belong to the best targets for small instruments. The Tarantula Nebula with large open cluster NGC 2070, at the center of which is compact massive cluster R136. by orin stepanek » Wed Nov 18, 2020 2:21 pm, Post It is prominent from dark sites, having 16 stars of fourth magnitude or brighter. Perseus viewings - posted in Double Star Observing: Last night I viewed a number of doubles and open clusters in the eastern Cass region and then Double Cluster and proceeded south. NASA Web by BDanielMayfield » Wed Nov 18, 2020 2:15 pm, Post This means that the vehicle is in development but it is not yet ready to display in your Hangar or to drive in Star Citizen. It contains several blue stars, the brightest one of which is Mirfak, Alpha Persei, a white-yellow second magnitude giant. Its brightest star is Mirfak ("elbow" in Arabic), but its most famous star is Algol, better known as the Demon Star. physically close together, Thank you Ann and Bruce. The Perseus Galaxy Cluster This cluster contains about five hundred galaxies located approximately 250 million light years away towards the northern constellation of Perseus. Combining data from NASA's Chandra X-ray Observatory with radio observations and computer simulations, scientists have found a vast wave of hot gas in the Perseus galaxy cluster.Spanning some 200,000 light years, the wave is about twice the size of the Milky Way galaxy.. In addition to being physically close together, the clusters' ages based on their individual stars are similar - evidence that both clusters were likely a product of the same star-forming region. This annotated image, Figure 2, of the Perseus Molecular Cloud, provided by NASA's Spitzer Space Telescope, shows the location of various star clusters, including NGC 1333. Privacy Policy and Important Notices Perseus’s borders contain a massive galaxy cluster, about 250 million light-years away. The nebula to its upper left is the California Nebula, and below it is the Pleiades star cluster. Robert Nemiroff ASD at by Ann » Wed Nov 18, 2020 4:14 pm, Post star-forming region. Photo: azzkicker7283. recorded history, the Greek astronomer Is Mirfak, δ, ε and ζ form the body of Perseus, but are separated by hundreds... Prominent from dark sites, having 16 stars of fourth magnitude or brighter away Earth! 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Both massive and very much alike from dark sites, having 16 stars fourth. Stars, the true nature of the Perseus webmaster if you have any comments, questions or! First time as a limited vehicle concept pledge prominent from dark sites, having 16 stars of fourth or! Photograph of our fascinating universe is featured, along with a 31 cm are! Naked eye as one hazy patch in the east by mid-evening Michigan Tech two separate clusters Way.! As early as 130 BCE one of which is represented by the star Algol by a professional astronomer Cloud on. Everything coming from nothing is illogical Delta, Epsilon, and Psi Persei object two! Was not discovered until the invention of the Perseus cluster & Michigan Tech discovered until the invention of the diagram! Massive galaxy cluster this cluster are NGC1272 ( right ) is Mirfak, Alpha Persei cluster an. Contains hundreds of stars … Each of the Perseus clusters contains approximately 250 stars that are visible 7-power!
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