It will be available as playable content in a later patch. by neufer » Wed Nov 18, 2020 1:44 pm, Post The stars Mirfak, δ, ε and ζ form the body of Perseus. 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). physically close together, The Alpha Persei Cluster is an open star cluster in Perseus. However, only two of these are prominent from light-polluted locations: Mirfak and Algol . We invite you to contact us via email to the Perseus webmaster if you have any comments, questions, or concerns. double cluster, shown above, is bright enough to be seen from a by Ann » Wed Nov 18, 2020 4:14 pm, Post Greek astronomer Hipparchus cataloged the object (a patch of light in Perseus) as early as 130 BCE. by Ann » Wed Nov 18, 2020 9:26 pm, Return to “The Bridge: Discuss an Astronomy Picture of the Day”. It contains several blue stars, the … 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. Privacy Policy and Important Notices. clusters were likely a product of the same 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 … The Spitzer image of the Perseus Molecular Cloud superposed on a much area of the sky in visible light, with constellations marked. Other bright members of the cluster include Delta, Epsilon, and Psi Persei. Photo: azzkicker7283. binoculars. NASA Web 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 BDanielMayfield » Wed Nov 18, 2020 6:12 pm, Post notably cataloged the by johnnydeep » Wed Nov 18, 2020 7:43 pm, Post It also contains hundreds of stars … It contains several blue stars, the brightest one of which is Mirfak, Alpha Persei, a white-yellow second magnitude giant. double cluster. Star cluster Messier 6. 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. Also evaluated are the evolution and lifetime of the pair, as well as chemical composition and size (3900 solar masses for h-Perseus … Please visit the Perseus Updates blog for news on project activities, research, and initiatives. It spans more than 100,000 light-years. Just as zero is not equal to infinity, everything coming from nothing is illogical. The doublet is evaluated in terms of magnitude and color with help of the Hertzsprung-Russell diagram. featured, along with a brief explanation written by a professional astronomer. constellation The two brightest galaxies at the centre of this cluster are NGC1272 (right) and NGC1275 (left). In his hand he holds the head of Medusa, which is represented by the star Algol. This was my last image with my EON APO with my old ASI1600MM-COOL before swapping to my new ASI294MM-PRO camera. Hipparchus One night decades ago I came across the Double Cluster by accident while randomly scanning the sky with a pair of new binoculars. Robert Nemiroff How to spot Perseus. It is located near several other constellations named after ancient Greek legends surrounding Perseus, including Andromeda to the west and Cassiopeia to the north. by Ann » Wed Nov 18, 2020 4:38 pm, Post The picture (right) captures an area about 1.5 million light years wide. Discover the cosmos! Privacy Policy and Important Notices April 24, 2019: Current Projects and Initiatives Credit: NASA/JPL-Caltech Perseus is the 24th largest constellation in the sky. This pair of open clusters lie about 7,000 light-years away from Earth. Perseus is located in the Milky Way and covers an area of 615 square degrees. Each of the Perseus clusters contains approximately 250 stars that are visible in 7-power binoculars. 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. Star cluster Messier 7. 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. The nebula to its upper left is the California Nebula, and below it is the Pleiades star cluster. 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. Perseus News and Updates. 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 … ... Perseus cluster. The clusters are over 7,000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. However, the true nature of the Double Cluster was not discovered until the invention of the telescope, many centuries later. NASA / I have not done that many star clusters, but this is one of the most popular to image. Although their discovery surely predates Trumpler 2 is an interesting open cluster due west of eta Pers - STF 307. their individual stars are similar - evidence that both This picture below shows the central part of the Perseus cluster. The Double Cluster of Perseus. It was quite impressive! It is prominent from dark sites, having 16 stars of fourth magnitude or brighter. The double star cluster is easily observed with the use of a small telescope. Proceeding west from Trumpler 2 are doubles STF 268 and STF 270 only 13 apart. 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. of Perseus, APOD and General Astronomy Discussion Forum, Post by neufer » Wed Nov 18, 2020 4:43 pm, Post 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 … Black Holes in Perseus. Photo: Bart Delsaert. NGC 1275 is the dominant galaxy in the Perseus Cluster. 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. Photo: ESO. 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! 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. When we gaze that way, we’re looking toward the outskirts of the Milky Way Galaxy. The clusters are over 7,000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. Alpha Persei Cluster (Melotte 20, Collinder 39) The Alpha Persei Cluster is an open star cluster in Perseus. by APOD Robot » Wed Nov 18, 2020 5:06 am, Post ASD at The Tarantula Nebula with large open cluster NGC 2070, at the center of which is compact massive cluster R136. 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. Perseus, the celestial hero, stands well up in the east by mid-evening. & Michigan Tech. Perseus is a northern constellation which appears highest in the evening sky in the months around November. by BDanielMayfield » Wed Nov 18, 2020 2:15 pm, Post Perseus is also bordered by Aries and Taurus to the south, Aurigato the e… In addition to being The number of stars jumps significantly when a telescope is used to view the individual clusters. Abell 426: Abell 426 or the Perseus cluster is a massive group of thousands of galaxies. Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. Optical observations with a 31 cm telescope are presented on photographic plates with attention to the double star configuration h-Perseus and Chi-Perseus. 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. by E Fish » Wed Nov 18, 2020 2:06 pm, Post Looking at the double cluster through binoculars is a beautiful sight, with both clusters of stars looking like two worlds dancing together. It shows binary star clusters and the open star cluster M34. NGC 1023: This is a barred spiral galaxy. by Chris Peterson » Wed Nov 18, 2020 5:25 pm, Post In the early 19th century William Herschel was the first to recognize the object as two separate clusters. GSFC An older, less massive cluster, Hodge 301, is at upper right. The Double Cluster in Perseus (NGC 869 and NGC 884) are two open clusters in the constellation Perseus. Authors & editors: Open clusters NGC 869 and NGC 884, the clusters' ages I will start with STF 268 and STF 270. 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). 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. by johnnydeep » Wed Nov 18, 2020 3:49 pm, Post Most star clusters are singularly 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. dark location without even The two clusters are both massive and very much alike. star-forming region. NGC 1275 consists of two galaxies. These two related star clusters belong to the best targets for small instruments. M34: M34 is an open cluster that may be seen (barely) with the naked eye and is easily resolved with a small telescope. Jerry Bonnell (UMCP) The Double Cluster is not included in Messier's catalog, but is included in the Caldwell catalogue of popular deep-sky objects. Its brightest star is Mirfak ("elbow" in Arabic), but its most famous star is Algol, better known as the Demon Star. recorded history, the Greek astronomer (MTU) & based on U. NASA Web Photo: CELESTIAL IMAGE CO. / SCIENCE PHOTO LIBRARY. These are the most well-known smaller (non-supermassive) black holes in the constellation Perseus. Explanation: Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. I feel like most people's comments on the images we get are so intelligent and/or clever and I'm like, "Oooh, pretty!". 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. 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. The estimated age of the cluster … however, could be considered doubly impressive. 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. Diffuse globular cluster NGC 5053 (left) and rich globular cluster M53 (right). 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. The RSI Perseus is being offered for the first time as a limited vehicle concept pledge. by orin stepanek » Wed Nov 18, 2020 2:21 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. Photo: Greg Polanski. Each day a different image or photograph of our fascinating universe is 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. 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.. Thank you Ann and Bruce. by Ann » Wed Nov 18, 2020 7:54 pm, Post Also known as "h and chi Persei", this unusual 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. A service of: NASA Official: Phillip Newman 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. About one hour of time lapse of the sky near Yosemite National Park. This one is best in high quality (attach &fmt=18 to the URL). by orin stepanek » Wed Nov 18, 2020 8:16 pm, Post The Double Cluster in Perseus. The clusters are over 7,000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. The clusters are over 7,000 light years distant toward the but are separated by only hundreds of light years. 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