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Clear Skies

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  1. After 3 1/2 years of work, I published the new edition of my Clear Skies Observing Guides, CSOG 2.3. On my new website clearskies.eu.

    There are 14 new editions in CSOG 2.3:

    • Holmberg Double and Multiple Galaxies
    • Minkowski Nebulae
    • Parsamyan Cometary Nebulae
    • Klemola Groups and Clusters of Southern Galaxies
    • Raab open clusters
    • Basel open clusters
    • Herschel 3
    • LMC Regions
    • Markarian’s Chain
    • Grus Chain
    • Fornax Galaxy Cluster galaxies
    • Eridanus Cluster galaxies
    • Dorado Group galaxies
    • Sculptor Group galaxies


    Click here for the release notes or click here to go directly to the download page.

    CSOG now has 54 editions:

    Constellation Editions

    5-6″ Telescopes
    8-10″ Telescopes
    12-14″ Telescopes

    Catalogs & Lists

    Messier
    Lacaille
    Dunlop
    Herschel 400
    Herschel II
    Herschel 3
    Herschel
    Caldwell
    Bennett

    Galaxy Editions

    Arp Peculiar Galaxies
    Hickson Compact Galaxy Groups
    Holmberg Double and Multiple Galaxies
    Holmberg Galaxies
    Rose Compact Groups of Galaxies
    Klemola Groups and Clusters of Southern Galaxies
    Markarian’s Chain
    Fornax Galaxy Cluster
    Dorado Group
    Eridanus Cluster
    Sculptor Group
    Grus Galaxy Chain

    Nebulae Editions

    Abell Nebulae
    Minkowski
    Parsamyan Catalogue of Cometary Nebulae

    Star Cluster Editions

    Collinder star clusters
    Melotte star clusters
    Berkeley star clusters
    Czernik star clusters
    Trumpler open clusters
    King open clusters
    Stock open clusters
    Van den Bergh-Hagen open clusters
    Palomar globular clusters
    Terzan globular clusters
    Tombaugh open clusters
    Raab open clusters
    Dolidze open clusters
    Dolidze-Dzimselejsvili open clusters
    Basel open clusters
    Roslund open clusters
    Ruprecht star clusters
    Pismis star clusters
    Lynga star clusters
    Hogg open clusters
    Harvard open clusters
    Haffner open clusters
    Pfleiderer star clusters

    Observing Programs

    ASSA Top-100

    Other Editions

    Burnham’s Celestial Handbook – Deep Sky Objects
    LMC Regions
    Named Objects

    CSOG Editions are free downloads.

    Enjoy!

    Victor van Wulfen
    clearskies.eu

    Foto 02-05-20 om 17.20.jpg

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