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. I feel like most people's comments on the images we get are so intelligent and/or clever and I'm like, "Oooh, pretty!". Perseus is the 24th largest constellation in the sky. The Tarantula Nebula with large open cluster NGC 2070, at the center of which is compact massive cluster R136. Please visit the Perseus Updates blog for news on project activities, research, and initiatives. Explanation: Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. The estimated age of the cluster … It contains several blue stars, the … These two related star clusters belong to the best targets for small instruments. by BDanielMayfield » Wed Nov 18, 2020 6:12 pm, Post 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 … Each day a different image or photograph of our fascinating universe is however, could be considered doubly impressive. The Spitzer image of the Perseus Molecular Cloud superposed on a much area of the sky in visible light, with constellations marked. by Ann » Wed Nov 18, 2020 6:10 am, Post the clusters' ages their individual stars are similar - evidence that both Perseus News and Updates. Photo: CELESTIAL IMAGE CO. / SCIENCE PHOTO LIBRARY. 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. Hipparchus star-forming region. The Double Cluster of Perseus. NGC 1023: This is a barred spiral galaxy. It contains several blue stars, the brightest one of which is Mirfak, Alpha Persei, a white-yellow second magnitude giant. binoculars. 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 … NASA Official: Phillip Newman dark location without even Looking at the double cluster through binoculars is a beautiful sight, with both clusters of stars looking like two worlds dancing together. 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. APOD and General Astronomy Discussion Forum, Post 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. Star cluster Messier 7. In addition to being When we gaze that way, we’re looking toward the outskirts of the Milky Way Galaxy. This pair of open clusters lie about 7,000 light-years away from Earth. The doublet is evaluated in terms of magnitude and color with help of the Hertzsprung-Russell diagram. Perseus is located in the Milky Way and covers an area of 615 square degrees. by johnnydeep » Wed Nov 18, 2020 7:43 pm, Post Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. featured, along with a brief explanation written by a professional astronomer. by Ann » Wed Nov 18, 2020 4:38 pm, Post The clusters are over 7,000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. 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. 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. A service of: 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 … Viewed in a clear dark night the clusters appear to the naked eye as one hazy patch in the sky. Perseus is also bordered by Aries and Taurus to the south, Aurigato the e… These are the most well-known smaller (non-supermassive) black holes in the constellation Perseus. NASA Web 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. Jerry Bonnell (UMCP) The Double Cluster in Perseus. In the early 19th century William Herschel was the first to recognize the object as two separate clusters. by Ann » Wed Nov 18, 2020 4:14 pm, Post by orin stepanek » Wed Nov 18, 2020 2:21 pm, Post This was my last image with my EON APO with my old ASI1600MM-COOL before swapping to my new ASI294MM-PRO camera. How to spot Perseus. recorded history, the Greek astronomer NGC 1275 is the dominant galaxy in the Perseus Cluster. Black Holes in Perseus. It was quite impressive! by Ann » Wed Nov 18, 2020 9:26 pm, Return to “The Bridge: Discuss an Astronomy Picture of the Day”. 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). Open clusters NGC 869 and NGC 884, One night decades ago I came across the Double Cluster by accident while randomly scanning the sky with a pair of new binoculars. by BDanielMayfield » Wed Nov 18, 2020 2:15 pm, Post The Perseus Galaxy Cluster This cluster contains about five hundred galaxies located approximately 250 million light years away towards the northern constellation of Perseus. Authors & editors: 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! 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). It is prominent from dark sites, having 16 stars of fourth magnitude or brighter. Credit: NASA/JPL-Caltech Privacy Policy and Important Notices. Photo: azzkicker7283. The stars Mirfak, δ, ε and ζ form the body 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.. clusters were likely a product of the same by johnnydeep » Wed Nov 18, 2020 3:49 pm, Post Also evaluated are the evolution and lifetime of the pair, as well as chemical composition and size (3900 solar masses for h-Perseus … However, only two of these are prominent from light-polluted locations: Mirfak and Algol . The clusters are over 7,000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. 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. The double star cluster is easily observed with the use of a small telescope. Diffuse globular cluster NGC 5053 (left) and rich globular cluster M53 (right). physically close together, (MTU) & The number of stars jumps significantly when a telescope is used to view the individual clusters. double cluster. Other bright members of the cluster include Delta, Epsilon, and Psi Persei. 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. 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. by E Fish » Wed Nov 18, 2020 2:06 pm, Post However, the true nature of the Double Cluster was not discovered until the invention of the telescope, many centuries later. The clusters are over 7,000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. double cluster, shown above, is bright enough to be seen from a Robert Nemiroff by Ann » Wed Nov 18, 2020 7:54 pm, Post & Michigan Tech. Photo: Greg Polanski. Perseus is a northern constellation which appears highest in the evening sky in the months around November. GSFC based on 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. This one is best in high quality (attach &fmt=18 to the URL). Privacy Policy and Important Notices The RSI Perseus is being offered for the first time as a limited vehicle concept pledge. It will be available as playable content in a later patch. Just as zero is not equal to infinity, everything coming from nothing is illogical. Photo: Bart Delsaert. Discover the cosmos! 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. I have not done that many star clusters, but this is one of the most popular to image. 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. Specific rights apply. 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. It spans more than 100,000 light-years. by Chris Peterson » Wed Nov 18, 2020 5:25 pm, Post M34: M34 is an open cluster that may be seen (barely) with the naked eye and is easily resolved with a small telescope. 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 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. Most star clusters are singularly impressive. by neufer » Wed Nov 18, 2020 1:44 pm, Post I will start with STF 268 and STF 270. 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 Double Cluster in Perseus (NGC 869 and NGC 884) are two open clusters in the constellation Perseus. We invite you to contact us via email to the Perseus webmaster if you have any comments, questions, or concerns. Proceeding west from Trumpler 2 are doubles STF 268 and STF 270 only 13 apart. ASD at of Perseus, About one hour of time lapse of the sky near Yosemite National Park. This picture below shows the central part of the Perseus cluster. In his hand he holds the head of Medusa, which is represented by the star Algol. ... Perseus cluster. The two brightest galaxies at the centre of this cluster are NGC1272 (right) and NGC1275 (left). The picture (right) captures an area about 1.5 million light years wide. 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. Alpha Persei Cluster (Melotte 20, Collinder 39) The Alpha Persei Cluster is an open star cluster in Perseus. Star cluster Messier 6. The Double Cluster is not included in Messier's catalog, but is included in the Caldwell catalogue of popular deep-sky objects. It shows binary star clusters and the open star cluster M34. Trumpler 2 is an interesting open cluster due west of eta Pers - STF 307. notably cataloged 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. The two clusters are both massive and very much alike. The clusters are over 7,000 light years distant toward the 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. 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. Perseus, the celestial hero, stands well up in the east by mid-evening. Also known as "h and chi Persei", this unusual by APOD Robot » Wed Nov 18, 2020 5:06 am, Post April 24, 2019: Current Projects and Initiatives It also contains hundreds of stars … An older, less massive cluster, Hodge 301, is at upper right. constellation 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 … The Alpha Persei Cluster is an open star cluster in Perseus. Its brightest star is Mirfak ("elbow" in Arabic), but its most famous star is Algol, better known as the Demon Star. NASA / Photo: ESO. U. NASA Web NGC 1275 consists of two galaxies. Thank you Ann and Bruce. Perseus’s borders contain a massive galaxy cluster, about 250 million light-years away. 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