This celestial treasure is the globular cluster M15. This is a mobile preview of our extensive website. NGC number 869 observed stars 317 They are high up in the sky already in the early evening and easy to find between the two constellations Cassiopeia and Perseus. 42 individual exposures shot with a Canon DSLR camera riding on an AstroTrac TT320X-AG mount were digitally. distance 2200 pc 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. 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! total V magnitude 5.3 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. 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. integrated B-V .48 Trumpler class I 3 r Abell 426 : Abell 426 or the Perseus cluster is a massive group of thousands of galaxies. stdatu.stsci.edu/dss/dss_form.html observed stars 303 The … For that purpose we used HDR, imaging and a diffusor filter. brightest star 7.0. These two related star clusters belong to the best targets for small instruments. The Double Cluster in 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. RA 02 21 Pictures, altitude charts, data sheet and sky map for Double Cluster - - Open cluster in Perseus Constellation without combined to produce this realistic rendering of the Double Cluster observed through binoculars. earliest sp. Post-processing was customized for this shot to make the visual bino experience as realistic as possible. Hipparchus, a Greek astronomer, cataloged the object (a patch of light in Perseus) as early as 130 B.C. 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. Data for NGC869 (Janes, Duke, and Lynga, The clusters are over 7000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. On our large-screen desktop version you will find a ton. Double cluster in perseus is one of the most spectacular objects in the sky - easily visible with a naked eye even under moderate conditions (at it's combined magnitude of 4.3m). dec +57 08 of more astronomical images, stories, reviews etc. a decimal point, e.g. All right reserved. Although their discovery surely predates written history, the "double cluster" was notably cataloged by the Greek astronomer Hipparcos. The cluster's arguably more beautiful in binoculars and small telescopes where a large field of view makes it pop. They look great in Binoculars. 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. 60-degree field of view The double star cluster is easily observed with the use of a small telescope. Not only can you find the Andromeda Galaxy and the Perseus Double cluster (a pair of star clusters), but there's also a lovely little globular cluster for you to search out. 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. The clusters are over 7,000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. They are high up in the sky already in the early evening and easy to find between the two constellations Cassiopeia and Perseus. 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. Magnitudes are given That's how it looks in typical 8x30 or 10x50 binoculars. total V magnitude Our bino simulation image shows the Double Cluster in a six degree field of view. Both visible with the naked eye, NGC 869 and NGC 884 lie at a distance of 7500 light years. Perseus is the 24th largest constellation in the sky, occupying an … RA 02 22 The image sources were made, from La Palma, one of the Spanish Canary islands. 67 is to be interpreted as magnitude 6.7. earliest sp. www.eyesonthesky.com The Double Cluster is one of the best sights to see in the autumn sky. 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. Trumpler class I 3 r Tonight, find the gorgeous Double Cluster in the constellation Perseus. It's that season again. 1987) Data for NGC884 (Janes, Duke, and Lynga, (c) Copyright 1998 Benjamin Crowell. Looking at the double cluster through binoculars is a beautiful sight, with both clusters of … 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. a decimal point, e.g. 67 is to be interpreted as magnitude Go 2° south of Stock 2, and you'll fall headlong into the riches of the Perseus Double Cluster. Data for the Double Cluster as a whole A map of the star field. One of the most beautiful is, unquestionably the famous Double Cluster. But it isn't situated near a bright star - how to find it? A map of the star field. The Double Cluster represents the jeweled handle of Perseus’s sword. 6.7. of more astronomical images, stories and reviews. It will then reach its highest point in the sky at 21:53, 69° above your northern horizon. The clusters NGC 869 and NNGC 884 feature dozens of bright, densly packed stars. At dusk, it will become visible around 17:39 (PST), 58° above your north-eastern horizon. The Double Cluster in Perseus, NGC869 and 884 A map of the star field. A color composite, the image includes narrowband data to enhance emission from the hydrogen clouds. Comments Sky maps created by Your Sky, www.fourmilab.com. sky. class B0 I’ve imaged the Double Cluster with just about every different scope and camera that I’ve used. angular diameter 18' 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. 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. distance 2200 pc integrated magnitude 3.5 integrated B-V .44 And with the long and chilly winter nights awesome binocular objects start populating the night skies. Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. Both visible with the naked eye, NGC 869 … 1987) However, our solar system resides in the inner part of … 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. project nightflight - Verein zur Darstellung und Erhaltung der. 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. The easiest way to find the Double Cluster in Perseus is to travel downwards from the constellation Cassiopeia. class B0 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. 6.7. Click image for full size version. The Double Cluster itself is made up of two open clusters, NGC869 and NGC884 that are some 7,500 light years away. 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 … One of my favourite star clusters is the Double Cluster in Perseus which is now rising nicely in the North East sky. age (Myr) 18 Photos from the Digitized Sky Survey, The Double Cluster lies directly between the constellations Perseus, and Cassiopeia. Magnitudes are given without a decimal point, e.g. What You Should See: This pair of clusters in the sword handle of Perseus is a superb target, even in relatively small binoculars. Viewed in a clear dark night the clusters appear to the naked eye as one hazy patch in the sky. NGC number 884 project nightflight, developed a special imaging and image processing technique to give the genuine impression of a binocular view of deep-sky objects. So, remember to give them a try next time when you're out with your bino on one of those crispy clear winter nights. Their blue-white, supergiant stars sparkle brightly and a few red M class supergiants intermingle with the young hot blue stars. 67 is to be interpreted as magnitude The Double Cluster (also known as Caldwell 14) is the common name for the open clusters NGC 869 and NGC 884 (often designated h Persei and χ Persei, respectively), which are close together in the constellation Perseus. dec +57 09 We could on from there, but it's probably time to … Double the viewing pleasure in one field of view. Tomorrow's picture: looking for the arrows Between Cassiopeia and the head of Perseus. 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. 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. One of the most beautiful is unquestionably the famous Double Cluster. 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). angular diameter 18' This is an excellent targer both for binoculars and a telescope. Double the viewing pleasure in one field of view. 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). FACTS, LOCATION & MAP. RA 02 19 Re: Double Cluster in Perseus - ASI294MM Post by Graeme1858 » Sun Oct 25, 2020 8:14 am jthommes wrote: ↑ Sun Oct 25, 2020 3:57 am There are examples on forums of dark frames that look scary with strong amp glo, but my experience is that the lights calibrate this out completely. 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. The Sky-Watcher Esprit 150 with the QHY-16200 camera really hits the sweet spot, getting the cluster well resolved in a nice frame. From Redmond , Perseus Double Cluster is visible all night because it is circumpolar.It will be highest in the sky at 20:55, 80° above your northern horizon. dec +57 07 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 Double Cluster in Perseus…NGC869 & NGC884 they are visible to the naked eye from any dark location, I can barely see it as a fuzzy patch with my unaided eyes from my backyard in the City of Dayton due to strong city light Pollution. age (Myr) 3.2 Perseus, NGC869 and 884 This makes h & Chi Persei a true gem in the winter. However, the true nature of the Double Cluster wasn’t discovered until the invention of the telescope many centuries later. Magnitudes are given Although their discovery surely predates recorded history, the Greek astronomer Hipparchus notably cataloged the double cluster. How to Find It 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. To find it, look for the Great Square of … Zur Darstellung und Erhaltung der or the Perseus Double Cluster in the sky at 21:53, 69° above your horizon... 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