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    j.gardavsky's Avatar
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    Default Statistically Top 30 DSOs with Binoculars: summer 2010 - spring 2011



    Hello friends of deep sky objects,

    as the season 2010/2011 is over, I have found time to extract some statistics from my log book, namely, how frequently I have visited the DSOs with my binoculars. The frequencies (how many times) are divided into 5 categories of the DSOs, and rated are always 5 DSOs per category. All in all 30 most times fixed DSOs.

    OPEN CLUSTERS
    #1 NGC 6871 (CYG) bright resolved stars at the end of 28Cyg-27Cyg cascade: 19x
    #2 NGC 663 (CAS) large and bright member in a rich cluster area: 18x
    #3 M39 "Comet of Aristoteles" (CYG) naked eye object: 17x
    #4 NGC 457 "ET Cluster" (CAS): 16x
    #5 NGC869/884 "Perseus Double Cluster" (PER) naked eye object: 16x

    EMISSION NEBULAS
    #1 NGC 7000 "North America Nebula" with the "Gulf of Mexico" LDN 935 (CYG), OIII filter helps significantly: 21x
    #2 NGC 281 "Pacman Nebula" around the open cluster IC 1590 (CAS), OIII filter shows the form: 19x
    #3 IC 1805 the heart of the "Valentin's Nebula", dim nebulosity in the open cluster: 16x
    #4 Sh2-142 "Clamshell Nebula", dim glow in the open cluster NGC 7380 (CEP): 15x
    #5 IC 5067/5070 "Pelican Nebula" (CYG), dim glow with contrast to LDN 935: 14x

    SUPERNOVA REMNANTS and PLANETARY NEBULAS
    #1 M27 "Dumbbell Nebula" (VUL), UHC filter helps to fix the form in 25x100: 19x
    #2 M57 "Ring Nebula" (LYR), OIII filter helps significantly: 18x
    #3 NGC 6992/95 "Cirrus East Nebula" (CYG), OIII filter helps significantly: 13x
    #4 NGC7027 "Magic Carpet" (CYG), OIII filter is "must": 11x
    #5 NGC 6960 "Cirrus West Nebula" (CYG), OIII filter is "must" under the backyard skies: 9x

    REFLECTION NEBULAS
    #1 NGC 1435 "Merope Nebula" in the Pleyades (TAU), oblique triangular form in 25x100: 5x
    #2 NGC 7023 "Iris Nebula" (CEP), fuzzy star in 25x100: 3x
    #3 NGC 1977 "Running Man Nebula" (ORI), dim glow in bright cluster: 2x
    #4 M78 and NGC 2071, bright RNs in the Orion molecular cloud: 1x
    #5 NGC 2261 "Hubble's Variable Nebula (MON), fuzzy star: 1x

    GLOBULAR CLUSTERS
    #1 M71 (SAG): 13x
    #2 M3 (CVN): 8x
    #3 M13 (HER): 7x
    #4 M92 (HER): 6x
    #5 M22 (SGR): 5x

    GALAXIES
    #1 M31-Group: M31, M32, M110 (AND): 21x
    #2 M51 (CVN): 14x
    #3 M33 (TRI): 13x
    #4 M101 (UMA): 12x
    #5 M81/M82 (UMA): 11x

    Notes:
    The open clusters served mostly to navigate to other objects.
    The emission and planetary nebulas, and the supernova remnants, became highly enjoyable with the OIII filter.
    The reflection nebulas, mostly observed with 15x85 and 25x100, have been fixed on purpose.
    Among the rated globular clusters, only the M71 in Sagitta has been observed on purpose.
    Regarding the galaxies, I was able to fix the outer spiral arm on M31 with 25x100, the very first time. M51 and M101 have served to check the quality of the sky when hunting the other galaxies.

    Best

    JG
    Binoculars: Leica Ultravid 7x42, 8x42HD; Swarovski EL 8.5x42 Swarovision; Nikon 10x70 Astroluxe; Docter Nobilem 7x50 Porro; Jenoptem 7x50W, 10x50W; BA8: 10.5x70, 15x85; 25x100FB, AsahiPentax 8x40, Refractors: Sky-Watcher 150mm/750mm; Leica APO Televid 82mm (25x-50x WW ASPH); EPs:Baader Classic Orthos; Fujiyama ortho, Leica B WW, ultrawide zoom ASPH, Periplan GF, HC Plan S, L; DOCTER UWA; Wild UW mil; Tele Vue Delos, Nagler Zoom, Plössls; Swarovski SW; Pentax XW; ZEISS diascope B WW T*, Carl Zeiss E-Pl; Hensoldt mil; Filters: Astrodon, Astronomik, Baader (CCD), TS; Astrophotography: AstroTrac; Leica R7: Leica 2/50, 2/90mm, 2.8/180mm lenses
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  2. The Following 3 Users Say Thank You to j.gardavsky For This Useful Post:

    flyfishnevada (07-02-2011),FRANKB (07-02-2011),jes29651 (07-03-2011)

  3. #2
    flyfishnevada's Avatar
    flyfishnevada is offline Main Sequence
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    Nice little list. I am adding to my subscriptions. Always happy to let others do all the hard work
    -Dan-
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    j.gardavsky (07-03-2011)

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    Nice log. Someday I'll start recording my sessions. Keep it up.
    Cal
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