• Thumbnail for NGC 884
    NGC 884 (also known as χ Persei) is an open cluster located 7640 light years away in the constellation of Perseus. It is the easternmost of the Double...
    4 KB (426 words) - 20:48, 24 February 2024
  • Thumbnail for NGC 869
    million years old. It is the westernmost of the Double Cluster with NGC 884. NGC 869 and 884 are often designated h and χ (chi) Persei, respectively. Some confusion...
    4 KB (364 words) - 16:37, 26 July 2024
  • Thumbnail for Double Cluster
    Cluster (also known as Caldwell 14) consists of the open clusters NGC 869 and NGC 884 (often designated h Persei and χ (chi) Persei, respectively), which...
    9 KB (944 words) - 21:52, 24 February 2024
  • Thumbnail for Perseus (constellation)
    though NGC 869 is a Shapley class f and NGC 884 is a Shapley class e cluster. These classifications indicate that they are both quite rich (dense); NGC 869...
    45 KB (5,209 words) - 14:23, 17 August 2024
  • Thumbnail for Caldwell catalogue
    objects, such as the Hyades, the Double Cluster (NGC 869 and NGC 884), and the Sculptor Galaxy (NGC 253). The Messier catalogue was actually compiled...
    33 KB (729 words) - 20:18, 11 June 2024
  • Thumbnail for Cassiopeia (constellation)
    Persei (NGC 884) and h Persei (NGC 869) as well as the star clusters NGC 654, NGC 663, NGC 581 (Messier 103), NGC 457, NGC 225, NGC 7788, NGC 7790, NGC 7789...
    39 KB (4,719 words) - 07:27, 15 August 2024
  • Thumbnail for NGC 957
    NGC 957 lies in north of the celestial equator, and is therefore easier to be seen from the northern hemisphere. NGC 957 lies 1.5º WNW of NGC 884, which...
    2 KB (165 words) - 15:41, 18 January 2024
  • Thumbnail for Open cluster
    The best known example in the Milky Way is the Double Cluster of NGC 869 and NGC 884 (also known as h and χ Persei), but at least 10 more double clusters...
    51 KB (6,261 words) - 23:07, 28 July 2024
  • Thumbnail for NGC 4670
    NGC 4670 is a blue compact galaxy in the constellation Coma Berenices. The galaxy lies about 60 million light years away from Earth, which means, given...
    6 KB (636 words) - 03:46, 8 April 2024
  • Thumbnail for Perseus OB1
    constellation Perseus. It is centered around the double cluster (NGC 869 and NGC 884), and has lent its name to the Perseus Arm of the Milky Way. The...
    4 KB (328 words) - 04:21, 25 February 2023
  • Thumbnail for List of open clusters
    photometric search for peculiar stars in open clusters. V. NGC 2099, NGC 3114, NGC 6204, NGC 6705 and NGC 6756". Astronomy and Astrophysics. 412 (3): 721–725...
    34 KB (1,622 words) - 22:35, 16 July 2024
  • This is a list of NGC objects 1–1000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae, and...
    131 KB (310 words) - 03:26, 17 August 2024
  • Thumbnail for Binoculars
    magnifications. Some open clusters, such as the bright double cluster (NGC 869 and NGC 884) in the constellation Perseus, and globular clusters, such as M13...
    98 KB (11,096 words) - 09:09, 15 July 2024
  • Thumbnail for RS Persei
    is never visible to the naked eye. RS Persei is a member of the cluster NGC 884, χ Persei, one half of the famous Double Cluster. RS Persei is classified...
    11 KB (1,053 words) - 16:40, 19 June 2024
  • Binoculars 69 NGC 752 Open cluster And Telescope - Binoculars 70 Little Dumbbell Nebula Planetary Nebula Per Telescope 71 NGC 869 and NGC 884 Open clusters...
    15 KB (220 words) - 13:30, 18 October 2021
  • NGC 884, the eastern cluster of the Double Cluster – Wagman, Morton (2003), Lost Stars, McDonald & Woodward, ISBN 0939923785 Bayer's h Persei is NGC 869...
    82 KB (360 words) - 22:44, 13 May 2024
  • Thumbnail for Eschede train disaster
    From Disaster. "Eschede Zug 884". Griffith, Angela (4 June 2009). "Eschede Train Derailment". Root Cause Analysis. 090120 NGC Seconds from the catastrophe[full...
    25 KB (3,138 words) - 19:01, 24 June 2024
  • II Program. The catalogue contains 400 objects. All objects are from the NGC. All objects are visible in mid northern latitudes, since they were all observed...
    91 KB (395 words) - 23:30, 5 March 2024
  • Thumbnail for V520 Persei
    magnitude of 6.55, V520 Persei is the brightest member in either NGC 869 or NGC 884, although the brighter HD 13994 lies in the foreground along the same...
    8 KB (842 words) - 06:19, 22 December 2023
  • Thumbnail for Melotte catalogue
    2020-06-26. "ngc 1857". sim-id. Retrieved 2020-06-26. "ngc 2192". sim-id. Retrieved 2020-06-26. "ngc 2215". sim-id. Retrieved 2020-06-26. "ngc 2243". sim-id...
    37 KB (344 words) - 00:25, 23 May 2023
  • Thumbnail for Large Sagittarius Star Cloud
     199. ISBN 1-85233-884-9. "ESO Views Star Cluster NGC 6520 and its Dusty Neighbor Barnard 86". scitechdaily.com. 2013-02-13. "NGC 6528". Retrieved 2020-09-23...
    5 KB (492 words) - 14:31, 11 March 2024
  • +57° 30′ 58.8″ 5.99 −0.70 710 G7III note that χ Per usually refers to NGC 884, an open cluster 30138 22220 04h 46m 44.47s +40° 18′ 45.6″ 5.99 0.32 443...
    26 KB (104 words) - 17:53, 26 January 2024
  • Thumbnail for 7 Persei
    designation Chi Persei, it is not to be confused with the entire cluster NGC 884, commonly referred to as Chi Persei. It is faintly visible to the naked...
    6 KB (461 words) - 13:46, 8 November 2023
  • Thumbnail for Collinder catalogue
    Embedded within Messier 24. Associated with Messier 17. Associated with NGC 6820. Embedded within the Iris Nebula. There are some errors in Collinder's...
    60 KB (535 words) - 18:22, 29 February 2024
  • Thumbnail for Messier 29
    Messier 29 (redirect from NGC 6913)
    Messier 29 or M29, also known as NGC 6913 or the Cooling Tower Cluster, is a quite small, bright open cluster of stars just south of the central bright...
    7 KB (737 words) - 20:12, 23 July 2024
  • Thumbnail for Messier 103
    Messier 103 (redirect from NGC 581)
    Messier 103 (also known as M103, or NGC 581) is a small open cluster of many faint stars in Cassiopeia. It was discovered on 27 March 1781 by Pierre Méchain...
    6 KB (603 words) - 10:20, 27 May 2024
  • Thumbnail for T Coronae Borealis
    "Super-active" State". The Astrophysical Journal. 884 (1): 8. arXiv:1909.13858. Bibcode:2019ApJ...884....8L. doi:10.3847/1538-4357/ab3c62. S2CID 203593955...
    16 KB (1,447 words) - 21:07, 8 August 2024
  • Thumbnail for Star cluster
    expansion rate of the Universe (Hubble constant). Indeed, the open cluster NGC 7790 hosts three classical Cepheids which are critical for such efforts....
    22 KB (2,596 words) - 12:03, 28 June 2024
  • Thumbnail for Luminous blue variable
    290 (Romano's star, an unusually hot LBV) NGC 2403: V12 V37 V38 J025941.21+251412.2 J025941.54+251421.8 NGC 2363-V1 J122809.72+440514.8 J122817.83+440630...
    39 KB (4,826 words) - 03:30, 16 August 2024
  • Thumbnail for Boötes
    & Block 2004. SIMBAD NGC 5008. SIMBAD NGC 5548. SIMBAD NGC 5653. SIMBAD NGC 5825. SIMBAD NGC 5778. SIMBAD NGC 5886. SIMBAD NGC 5888. Francis, Matthew...
    73 KB (8,385 words) - 00:44, 1 August 2024