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. Double Cluster. 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. Data for NGC884 (Janes, Duke, and Lynga, Click image for full size version. One of the most beautiful is, unquestionably the famous Double Cluster. 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. What You Should See: This pair of clusters in the sword handle of Perseus is a superb target, even in relatively small binoculars. Tonight, find the gorgeous Double Cluster in the constellation Perseus. combined to produce this realistic rendering of the Double Cluster observed through binoculars. 1987) 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. 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. That's how it looks in typical 8x30 or 10x50 binoculars. The image sources were made, from La Palma, one of the Spanish Canary islands. The Double Cluster represents the jeweled handle of Perseus’s sword. Tomorrow's picture: looking for the arrows A color composite, the image includes narrowband data to enhance emission from the hydrogen clouds. distance 2200 pc total V magnitude 5.3 of more astronomical images, stories, reviews etc. age (Myr) 18 The clusters NGC 869 and NNGC 884 feature dozens of bright, densly packed stars. 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. I’ve imaged the Double Cluster with just about every different scope and camera that I’ve used. 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. Data for the Double Cluster as a whole Astronomers tell us that the Double Cluster lies within the Perseus arm of the Milky Way galaxy. 6.7. 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. www.eyesonthesky.com The Double Cluster is one of the best sights to see in the autumn sky. earliest sp. The … Comments 1987) Post-processing was customized for this shot to make the visual bino experience as realistic as possible. project nightflight, developed a special imaging and image processing technique to give the genuine impression of a binocular view of deep-sky objects. 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. On our large-screen desktop version you will find a ton. 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. But it isn't situated near a bright star - how to find it? Magnitudes are given without a decimal point, e.g. They are high up in the sky already in the early evening and easy to find between the two constellations Cassiopeia and Perseus. All right reserved. 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 … NGC number 884 a decimal point, e.g. integrated B-V .48 However, our solar system resides in the inner part of … class B0 Both visible with the naked eye, NGC 869 and NGC 884 lie at a distance of 7500 light years. For that purpose we used HDR, imaging and a diffusor filter. total V magnitude 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. (c) Copyright 1998 Benjamin Crowell. Abell 426 : Abell 426 or the Perseus cluster is a massive group of thousands of galaxies. 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). Trumpler class I 3 r Between Cassiopeia and the head of Perseus. 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. The clusters are over 7,000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. 67 is to be interpreted as magnitude Their blue-white, supergiant stars sparkle brightly and a few red M class supergiants intermingle with the young hot blue stars. distance 2200 pc This makes h & Chi Persei a true gem in the winter. Magnitudes are given Although their discovery surely predates recorded history, the Greek astronomer Hipparchus notably cataloged the double cluster. RA 02 19 Sky maps created by Your Sky, www.fourmilab.com. 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. 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. This is a mobile preview of our extensive website. angular diameter 18' One of the most beautiful is unquestionably the famous Double Cluster. The Sky-Watcher Esprit 150 with the QHY-16200 camera really hits the sweet spot, getting the cluster well resolved in a nice frame. 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. angular diameter 18' 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 map of the star field. observed stars 303 They are high up in the sky already in the early evening and easy to find between the two constellations Cassiopeia and 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. sky. 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). without RA 02 21 The Double Cluster in Perseus, NGC869 and 884 A map of the star field. 42 individual exposures shot with a Canon DSLR camera riding on an AstroTrac TT320X-AG mount were digitally. 67 is to be interpreted as magnitude 6.7. Perseus, NGC869 and 884 dec +57 09 Data for NGC869 (Janes, Duke, and Lynga, It will then reach its highest point in the sky at 21:53, 69° above your northern horizon. The double star cluster is easily observed with the use of a small telescope. The cluster's arguably more beautiful in binoculars and small telescopes where a large field of view makes it pop. 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