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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, only two of these are prominent from light-polluted locations: Mirfak and Algol . (MTU) & Perseus News and Updates. Black Holes in Perseus. In the early 19th century William Herschel was the first to recognize the object as two separate clusters. The Alpha Persei Cluster is an open star cluster in Perseus. APOD and General Astronomy Discussion Forum, Post 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. The Double Cluster in Perseus. NASA / double cluster, shown above, is bright enough to be seen from a Perseus is located in the Milky Way and covers an area of 615 square degrees. About one hour of time lapse of the sky near Yosemite National Park. 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. Diffuse globular cluster NGC 5053 (left) and rich globular cluster M53 (right). Optical observations with a 31 cm telescope are presented on photographic plates with attention to the double star configuration h-Perseus and Chi-Perseus. NASA Web based on by neufer » Wed Nov 18, 2020 1:44 pm, Post by Chris Peterson » Wed Nov 18, 2020 5:25 pm, Post Explanation: notably cataloged the 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. Perseus is a northern constellation which appears highest in the evening sky in the months around November. Just as zero is not equal to infinity, everything coming from nothing is illogical. 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 also contains hundreds of stars … I feel like most people's comments on the images we get are so intelligent and/or clever and I'm like, "Oooh, pretty!". 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. This was my last image with my EON APO with my old ASI1600MM-COOL before swapping to my new ASI294MM-PRO camera. The stars Mirfak, δ, ε and ζ form the body of Perseus. of Perseus, Photo: ESO. Perseus is also bordered by Aries and Taurus to the south, Aurigato the e… The clusters are over 7,000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. It shows binary star clusters and the open star cluster M34. The nebula to its upper left is the California Nebula, and below it is the Pleiades star cluster. We invite you to contact us via email to the Perseus webmaster if you have any comments, questions, or concerns. This one is best in high quality (attach &fmt=18 to the URL). The Double Cluster in Perseus (NGC 869 and NGC 884) are two open clusters in the constellation Perseus. Greek astronomer Hipparchus cataloged the object (a patch of light in Perseus) as early as 130 BCE. Its brightest star is Mirfak ("elbow" in Arabic), but its most famous star is Algol, better known as the Demon Star. by APOD Robot » Wed Nov 18, 2020 5:06 am, Post It spans more than 100,000 light-years. The Tarantula Nebula with large open cluster NGC 2070, at the center of which is compact massive cluster R136. featured, along with a brief explanation written by a professional astronomer. by Ann » Wed Nov 18, 2020 6:10 am, Post Viewed in a clear dark night the clusters appear to the naked eye as one hazy patch in the sky. It is prominent from dark sites, having 16 stars of fourth magnitude or brighter. The number of stars jumps significantly when a telescope is used to view the individual clusters. Alpha Persei Cluster (Melotte 20, Collinder 39) The Alpha Persei Cluster is an open star cluster in Perseus. NGC 1275 is the dominant galaxy in the Perseus Cluster. How to spot Perseus. An older, less massive cluster, Hodge 301, is at upper right. The RSI Perseus is being offered for the first time as a limited vehicle concept pledge. Photo: azzkicker7283. 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 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! Most star clusters are singularly impressive. 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 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. Hipparchus Photo: CELESTIAL IMAGE CO. / SCIENCE PHOTO LIBRARY. Privacy Policy and Important Notices. by Ann » Wed Nov 18, 2020 7:54 pm, Post The estimated age of the cluster … Also named Caldwell 14 or simply “The Double Cluster”, both star clusters are very similar to each other in size, magnitude, and age. binoculars. Each day a different image or photograph of our fascinating universe is Photo: Greg Polanski. 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. Open clusters NGC 869 and NGC 884, Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. ASD at 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.. NGC 1023: This is a barred spiral galaxy. physically close together, This pair of open clusters lie about 7,000 light-years away from Earth. One night decades ago I came across the Double Cluster by accident while randomly scanning the sky with a pair of new binoculars. The Perseus Galaxy Cluster This cluster contains about five hundred galaxies located approximately 250 million light years away towards the northern constellation of Perseus. The two clusters are both massive and very much alike. by johnnydeep » Wed Nov 18, 2020 3:49 pm, Post Star cluster Messier 7. Abell 426: Abell 426 or the Perseus cluster is a massive group of thousands of galaxies. 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. by BDanielMayfield » Wed Nov 18, 2020 2:15 pm, Post by orin stepanek » Wed Nov 18, 2020 8:16 pm, Post It is located near several other constellations named after ancient Greek legends surrounding Perseus, including Andromeda to the west and Cassiopeia to the north. Photo: Bart Delsaert. 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 is not included in Messier's catalog, but is included in the Caldwell catalogue of popular deep-sky objects. Other bright members of the cluster include Delta, Epsilon, and Psi Persei. The picture (right) captures an area about 1.5 million light years wide. When we gaze that way, we’re looking toward the outskirts of the Milky Way Galaxy. the clusters' ages 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. 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 two brightest galaxies at the centre of this cluster are NGC1272 (right) and NGC1275 (left). Discover the cosmos! 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. April 24, 2019: Current Projects and Initiatives recorded history, the Greek astronomer GSFC & Michigan Tech. clusters were likely a product of the same Thank you Ann and Bruce. by Ann » Wed Nov 18, 2020 4:38 pm, Post 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 … It will be available as playable content in a later patch. Each of the Perseus clusters contains approximately 250 stars that are visible in 7-power binoculars. by Ann » Wed Nov 18, 2020 4:14 pm, Post 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). by Ann » Wed Nov 18, 2020 9:26 pm, Return to “The Bridge: Discuss an Astronomy Picture of the Day”. Privacy Policy and Important Notices 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. dark location without even by orin stepanek » Wed Nov 18, 2020 2:21 pm, Post Please visit the Perseus Updates blog for news on project activities, research, and initiatives. star-forming region. I have not done that many star clusters, but this is one of the most popular to image. double cluster. The doublet is evaluated in terms of magnitude and color with help of the Hertzsprung-Russell diagram. A service of: 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 … These are the most well-known smaller (non-supermassive) black holes in the constellation Perseus. ... Perseus cluster. In his hand he holds the head of Medusa, which is represented by the star Algol. However, the true nature of the Double Cluster was not discovered until the invention of the telescope, many centuries later. 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 … by neufer » Wed Nov 18, 2020 4:43 pm, Post Credit: NASA/JPL-Caltech 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 … Specific rights apply. The Double Cluster of Perseus. Also evaluated are the evolution and lifetime of the pair, as well as chemical composition and size (3900 solar masses for h-Perseus … It was quite impressive! by BDanielMayfield » Wed Nov 18, 2020 6:12 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. 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. Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. U. NASA Web M34: M34 is an open cluster that may be seen (barely) with the naked eye and is easily resolved with a small telescope. Also known as "h and chi Persei", this unusual It contains several blue stars, the brightest one of which is Mirfak, Alpha Persei, a white-yellow second magnitude giant. 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