Distant Lights


by Thomas Henne

My recent equipment

  • The Astrograph

    by Ernst Gamauf

  • Roll Off Roof Observatory

    In spring and summer 2014 I have built
    a small Roll Off Roof Observatory

  • Telescope:

    ASA (Astro Systeme Austria) 10" Astrograph
    (Newtonian Reflector)

    focal length 900 mm, focal ratio f/3,6


    ASA (Astro Systeme Austria) DDM60


    Losmandy HD Tripod

  • Telescope:

    10" Skywatcher Newtonian Reflector
    diameter 254 mm
    focal length 1200 mm, focal ratio f/4,8

    5" Skywatcher Newton Reflector
    diameter 130 mm
    focal length 650 mm, focal ratio f/5


    Skywatcher NEQ 6 pro Synscan with Goto

  • For Widefield-Imaging:

    Canon EF 200mm f/2.8L II USM
    Canon EF 24-105mm f/4L IS USM

    Guiding with Skywatcher 9x50 finderscope
    and Lacerta MGEN

  • Cameras:

    Canon EOS 500D (modified)
    for Color

    Canon EOS 500D (Bayer-Matrix removed)
    for Luminance

    15 megapixel APS-C sensor,
    22.3 x 14.9 mm (4752 x 3168 pixel)

  • Canon EOS 6D (not modified)
    20.2 megapixel full frame sensor,
    35.8 x 23.9 mm (5184 x 3456 pixel)

  • FLI ML8300 with FLI CFW2-7 filter wheel
    8.3 Megapixel monochrome CCD-Camera
    sensor size 17.9 x 13.5 mm (3326 x 2504 pixel)

  • Moravian G3-16200 with external filter wheel
    16.2 Megapixel monochrome CCD-Camera
    sensor size 27.2 × 21.8 mm (4524 × 3624 pixel)

  • Correctors:

    ASA 3" Wynne Corrector 0,95x with
    Camera Adapter and
    Canon EOS 500D

    ASA 2" Coma Corrector Quattro 1.175x

    ASA 2" Reducer Corrector 0.73x

    Baader 2" Coma Corrector MPCC

  • ASA 2" Reducer Corrector 0.73x

    ASA 2" Coma Corrector Quattro 1.175x

    ASA EOS-Adapter/Off-Axis-Guider

  • Guiding:

    Lacerta MGEN Stand Alone Autoguider

    Lacerta Off Axis Guider/EOS-Adapter

    Coma Corrector:

    Baader 2" MPCC

  • Bahtinov-Mask for focusing