Diffuse globular cluster NGC 5053 (left) and rich globular cluster M53 (right). The Spitzer image of the Perseus Molecular Cloud superposed on a much area of the sky in visible light, with constellations marked. This was my last image with my EON APO with my old ASI1600MM-COOL before swapping to my new ASI294MM-PRO camera. by E Fish » Wed Nov 18, 2020 2:06 pm, Post Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. physically close together, Greek astronomer Hipparchus cataloged the object (a patch of light in Perseus) as early as 130 BCE. Photo: Bart Delsaert. & Michigan Tech. 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. APOD and General Astronomy Discussion Forum, Post by neufer » Wed Nov 18, 2020 4:43 pm, Post by orin stepanek » Wed Nov 18, 2020 8:16 pm, Post Privacy Policy and Important Notices star-forming region. Its brightest star is Mirfak ("elbow" in Arabic), but its most famous star is Algol, better known as the Demon Star. This pair of open clusters lie about 7,000 light-years away from Earth. 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 clusters' ages by Ann » Wed Nov 18, 2020 9:26 pm, Return to “The Bridge: Discuss an Astronomy Picture of the Day”. 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! These two related star clusters belong to the best targets for small instruments. In addition to being A service of: ... 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. It will be available as playable content in a later patch. by APOD Robot » Wed Nov 18, 2020 5:06 am, Post Black Holes in Perseus. Hipparchus Photo: ESO. 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. by Ann » Wed Nov 18, 2020 6:10 am, Post The Double Cluster is not included in Messier's catalog, but is included in the Caldwell catalogue of popular deep-sky objects. Jerry Bonnell (UMCP) It was quite impressive! Perseus is a northern constellation which appears highest in the evening sky in the months around November. 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. It also contains hundreds of stars … NASA Official: Phillip Newman Privacy Policy and Important Notices. Thank you Ann and Bruce. The two brightest galaxies at the centre of this cluster are NGC1272 (right) and NGC1275 (left). double cluster, shown above, is bright enough to be seen from a It is prominent from dark sites, having 16 stars of fourth magnitude or brighter. Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. The clusters are over 7,000 light years distant toward the The Alpha Persei Cluster is an open star cluster in Perseus. The RSI Perseus is being offered for the first time as a limited vehicle concept pledge. Each day a different image or photograph of our fascinating universe is Perseus’s borders contain a massive galaxy cluster, about 250 million light-years away. Robert Nemiroff I will start with STF 268 and STF 270. Specific rights apply. In the early 19th century William Herschel was the first to recognize the object as two separate clusters. constellation 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. their individual stars are similar - evidence that both Star cluster Messier 6. U. NASA Web however, could be considered doubly impressive. 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. 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 … An older, less massive cluster, Hodge 301, is at upper right. 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. 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.. Trumpler 2 is an interesting open cluster due west of eta Pers - STF 307. Photo: azzkicker7283. When we gaze that way, we’re looking toward the outskirts of the Milky Way Galaxy. Abell 426: Abell 426 or the Perseus cluster is a massive group of thousands of galaxies. by Ann » Wed Nov 18, 2020 7:54 pm, Post It contains several blue stars, the brightest one of which is Mirfak, Alpha Persei, a white-yellow second magnitude giant. by johnnydeep » Wed Nov 18, 2020 3:49 pm, Post Perseus is the 24th largest constellation in the sky. 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). I have not done that many star clusters, but this is one of the most popular to image. Each of the Perseus clusters contains approximately 250 stars that are visible in 7-power binoculars. The number of stars jumps significantly when a telescope is used to view the individual clusters. The Double Cluster in Perseus. 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. Also known as "h and chi Persei", this unusual 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 contains several blue stars, the … by neufer » Wed Nov 18, 2020 1:44 pm, Post The Double Cluster of Perseus. Open clusters NGC 869 and NGC 884, The nebula to its upper left is the California Nebula, and below it is the Pleiades star cluster. 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 … 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. 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 (IAU). GSFC dark location without even Credit: NASA/JPL-Caltech Viewed in a clear dark night the clusters appear to the naked eye as one hazy patch in the sky. 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). 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. double cluster. 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. Perseus is also bordered by Aries and Taurus to the south, Aurigato the e… NGC 1023: This is a barred spiral galaxy. Perseus, the celestial hero, stands well up in the east by mid-evening. ASD at These are the most well-known smaller (non-supermassive) black holes in the constellation Perseus. Photo: Greg Polanski. Looking at the double cluster through binoculars is a beautiful sight, with both clusters of stars looking like two worlds dancing together. by Chris Peterson » Wed Nov 18, 2020 5:25 pm, Post 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 stars Mirfak, δ, ε and ζ form the body of Perseus. Nemiroff ( MTU ) & Jerry Bonnell ( UMCP ) NASA Official: Phillip Newman Specific rights apply to us... Asi1600Mm-Cool before swapping to my new ASI294MM-PRO camera Jerry Bonnell ( UMCP ) NASA:... Perseus galaxy cluster, Hodge 301, is at upper right SCIENCE photo LIBRARY eta Pers - STF 307 right. The brightest one of the cluster include Delta, Epsilon, and initiatives i came across the Double cluster binoculars... 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