The double star cluster is easily observed with the use of a small telescope. Double the viewing pleasure in one field of view. Visible toward the upper left of the wide field of view is another, smaller open star cluster, NGC 957, also of similar age, distance, and possibly related to the more famous Double Cluster in Perseus. Magnitudes are given Here are some of our most popular stories for download: Planetary filters for small telescopes (PDF), Stargazing sites on La Palma island (PDF), Position angle scales for eyepieces (PDF), Visit the desktop version of our website - you will find a ton. earliest sp. Data for NGC884 (Janes, Duke, and Lynga, This celestial treasure is the globular cluster M15. 6.7. NGC number 884 integrated B-V .44 class B0 And with the long and chilly winter nights awesome binocular objects start populating the night skies. It will then reach its highest point in the sky at 21:53, 69° above your northern horizon. NGC number 869 Trumpler class I 3 r On our large-screen desktop version you will find a ton. They are high up in the sky already in the early evening and easy to find between the two constellations Cassiopeia and Perseus. The … Known to astronomers as the Double Cluster in Perseus, this collection of stars is now mid-high in the northeast sky about 8 p.m. and although … Both visible with the naked eye, NGC 869 … At magnitude 3.7 and 3.8, NGC 869 and NGC 884 are brighter than many of the other open clusters in the night sky, and this makes them easier to find. Use binoculars, held steadily, to search on a roughly east-west line angled at about 45 degrees, between the constellation Perseus, in the northeast sky, and the constellation Cassiopeia near the pole. At dusk, it will become visible around 17:39 (PST), 58° above your north-eastern horizon. Double the viewing pleasure in one field of view. Sky maps created by Your Sky, www.fourmilab.com. Trumpler class I 3 r angular diameter 18' The image sources were made, from La Palma, one of the Spanish Canary islands. Double Cluster. www.eyesonthesky.com The Double Cluster is one of the best sights to see in the autumn sky. The Double Cluster (also known as Caldwell 14) consists of the open clusters NGC 869 and NGC 884 (often designated h Persei and χ Persei, respectively), which are close together in the constellation Perseus. M34 : M34 is an open cluster that may be seen (barely) with the naked eye and is easily resolved with a small telescope. Use binoculars, held steadily, to search on a roughly east-west line angled at about 45 degrees, between the constellation Perseus, in the northeast sky, and the constellation Cassiopeia near the pole. distance 2200 pc Tomorrow's picture: looking for the arrows 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, our solar system resides in the inner part of … The Sky-Watcher Esprit 150 with the QHY-16200 camera really hits the sweet spot, getting the cluster well resolved in a nice frame. Magnitudes are given without a decimal point, e.g. The easiest way to find the Double Cluster in Perseus is to travel downwards from the constellation Cassiopeia. brightest star 7.0 We could on from there, but it's probably time to … Although their discovery surely predates written history, the "double cluster" was notably cataloged by the Greek astronomer Hipparcos. age (Myr) 18 a decimal point, e.g. Perseus is the 24th largest constellation in the sky, occupying an … All right reserved. Although their discovery surely predates recorded history, the Greek astronomer Hipparchus notably cataloged the double cluster. How to Find It Data for NGC869 (Janes, Duke, and Lynga, Tonight, find the gorgeous Double Cluster in the constellation 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! (c) Copyright 1998 Benjamin Crowell. Data for the Double Cluster as a whole The Double Cluster lies directly between the constellations Perseus, and Cassiopeia. 6.7. Of course, you might need to consult the internet to locate the Double Cluster on a sky map before going out on a cluster hunt. The Double Cluster in Perseus is one of the most beautiful objects in the sky, and is well placed for northern observers in the northeastern sky on these cool autumn evenings. Hipparchus, a Greek astronomer, cataloged the object (a patch of light in Perseus) as early as 130 B.C. A color composite, the image includes narrowband data to enhance emission from the hydrogen clouds. To find it, look for the Great Square of … total V magnitude 5.3 These two related star clusters belong to the best targets for small instruments. project nightflight - Verein zur Darstellung und Erhaltung der. The Double Cluster, or Caldwell 14, is the name for two open clusters – NGC 869 and NGC 884 – located close together in Perseus constellation.Also known as h Persei and χ Persei (h and Chi Persei), the clusters both lie at an approximate distance of 7,600 light … 60-degree field of view Both visible with the naked eye, NGC 869 and NGC 884 lie at a distance of 7500 light years. The Double Cluster (also known as Caldwell 14) consists of the open clusters NGC 869 and NGC 884 (often designated h Persei and χ Persei, respectively), which are close together in the constellation Perseus. This entry was posted in About the project and tagged constellation Perseus, Double Cluster, NGC 869, NGC 884, open cluster, Perseus on January 23, 2014 by mari. dec +57 07 Pictures, altitude charts, data sheet and sky map for Double Cluster - - Open cluster in Perseus Constellation of more astronomical images, stories and reviews. 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). Both visible with the naked eye, NGC 869 and NGC 884 lie at a distance of 7,500 light years. However, the true nature of the Double Cluster wasn’t discovered until the invention of the telescope many centuries later. distance 2200 pc Photos from the Digitized Sky Survey, without RA 02 22 angular diameter 18' Abell 426 : Abell 426 or the Perseus cluster is a massive group of thousands of galaxies. From, a dark observing site, they are easily visible with the unaided eye, but in binoculars or rich field telescopes they develop their true beauty. Astronomers tell us that the Double Cluster lies within the Perseus arm of the Milky Way galaxy. The Double Cluster in Perseus, NGC 869 and NGC 884, in BinoSky, a guide to astronomy with binoculars. Magnitudes are given This is an excellent targer both for binoculars and a telescope. 67 is to be interpreted as magnitude observed stars 317 This is a mobile preview of our extensive website. They look great in Binoculars. Our bino simulation image shows the Double Cluster in a six degree field of view. One of my favourite star clusters is the Double Cluster in Perseus which is now rising nicely in the North East sky. From Virginia Beach , Perseus Double Cluster is visible all night.It will become visible around 17:55 (EST) as the dusk sky fades, 46° above your north-eastern horizon. combined to produce this realistic rendering of the Double Cluster observed through binoculars. 67 is to be interpreted as magnitude 6.7. Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. The Perseus Double Cluster is often visible to the naked eye but, if it is not, follow a line from γ to δ Cassiopeiae for a distance beyond δ Cas to 1½ times the distance between the stars, towards η Per. 1987) dec +57 09 stdatu.stsci.edu/dss/dss_form.html What You Should See: This pair of clusters in the sword handle of Perseus is a superb target, even in relatively small binoculars. 1987) of more astronomical images, stories, reviews etc. I’ve imaged the Double Cluster with just about every different scope and camera that I’ve used. A map of the star field. Perseus also contains a number of famous deep sky objects, among them Messier 34, the Double Cluster, the California Nebula (NGC 1499) and the Little Dumbbell Nebula (Messier 76). The Double Cluster in Perseus, NGC869 and 884 A map of the star field. FACTS, LOCATION & MAP. The clusters NGC 869 and NNGC 884 feature dozens of bright, densly packed stars. That's how it looks in typical 8x30 or 10x50 binoculars. brightest star 7.0. Viewed in a clear dark night the clusters appear to the naked eye as one hazy patch in the sky. Also known as h & Chi Persei or NGC 869 and NGC 884, these two adjadent star clusters herald the cold winter months in the norhern hemisphere. class B0 The Double Cluster represents the jeweled handle of Perseus’s sword. Click image for full size version. observed stars 303 dec +57 08 Between Cassiopeia and the head of Perseus. Your sky, www.fourmilab.com sky, being named after the Greek mythological hero.. 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