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  1. #1
    Hayley's Avatar
    Hayley Guest

    Default advice and opinions please....observatory



    ive decided to build an observatory, ive built a portable one, that was
    to put it bluntly a small shed on wheels, but now it time for a permanently
    sited one, which was to be a small shed not on wheels, however i was
    wondering if anyone has any experiences etc...thanks
    (its to be a remote one, so all telemetry and video to be cabled to house)
    this is a list of basic points that i can think of

    good views of sky....ive got north east and south, west is not too good
    solid base....... I was thinking of some concrete about 5 inches?
    waterproof, but vented so no condensation.......holes somewhere where rain
    cant get in
    easy to remove roof............totaly open mind on this one
    not too much of an eyesore..................plant pot on it,,,,ha ha
    long lasting............. lots of wood preservative!!!!!!!!!!!!! if its to
    be wooden


    Thanks


    Simon (tal 6 inch)



  2. #2
    Roger Hamlett's Avatar
    Roger Hamlett Guest

    Default advice and opinions please....observatory


    "Hayley" <cambs.home@ntlworld.com> wrote in message
    news:Hy0if.6489$w73.3607@newsfe1-gui.ntli.net...
    Some things 'change', because this is 'remote'. If you were intending to
    observe 'in' it at all, then I'd be saying put a suspended floor over the
    concrete. Both warmer underfoot, and reduces vibration being transmitted
    to the pier when you walk round.
    Remember that you need a good location for the electronics here (power
    supply, and presumably an 'imaging' computer), which ideally should be
    well insulated, and possibly even have a 'greenhouse' heater, to help keep
    the kit warm.
    You might want to consider a 'roll off roof', rather than moving the whole
    shed. This is quite easy, and the frame it travels along, can be concealed
    by a trellis, or even a child's 'adventure' play area (if you have this
    particlar household accessory...). You should put ducting undergroud
    (pipe?), and have a seperate 'run' for the power connections, and the data
    links. Consider opto-isolation of the data connections (otherwise a nearby
    lightning strike, can kill the kit at both ends).
    Good insulation in the roof in particular, helps to avoid the building
    getting too warm in the daytime.
    There are several web sites with examples of such observatories, which may
    help you. Try:
    http://www.alcyone.f2s.com/observatory/
    http://www.bangor.ac.uk/msf/the_shed.htm
    http://www.richweb.f9.co.uk/astro/imagelib/roof1.htm
    http://www.astro.shoregalaxy.com/index_006.htm

    The latter in particular, may be of interest.

    Best Wishes



  3. #3
    Hayley's Avatar
    Hayley Guest

    Default advice and opinions please....observatory

    Thanks Roger for that detailed reply, and some food for thought, I will look
    at the
    websites for sure before getting to involved in the build.

    Thanks again

    Simon


    "Roger Hamlett" <rogerspamignored@ttelmah.demon.co.uk> wrote in message
    news:5i1if.7115$m4.2034@newsfe2-win.ntli.net...



  4. #4
    nytecam's Avatar
    nytecam Guest

    Default advice and opinions please....observatory


    Hayley Wrote:

    What's this eyesore stuff? Ashamed of your hobby;-). Domes are bes
    - try http://www.astroman.fsnet.co.uk/overview.htm and links.

    Of course if you and your scope don't mind dripping with condensatio
    and getting zapped by local lights or blasted by cold winds then do
    run-off roof;-).

    Nytecam 51N 0.1

    --
    nytecam

  5. #5
    md's Avatar
    md Guest

    Default advice and opinions please....observatory


    "Hayley" <cambs.home@ntlworld.com> wrote in message
    news:Hy0if.6489$w73.3607@newsfe1-gui.ntli.net...

    http://obs.nineplanets.org/obs/obslist.html
    --
    Martijn (astro-at-pff-software.nl)
    10" LX200GPS-SMT
    ETX105. Coronado PST
    www.xs4all.nl/~martlian



  6. #6
    James Hill's Avatar
    James Hill Guest

    Default advice and opinions please....observatory


    "Roger Hamlett" <rogerspamignored@ttelmah.demon.co.uk> wrote in message
    news:5i1if.7115$m4.2034@newsfe2-win.ntli.net...

    Just add a couple of points I learnt from experience, if I may.

    Pipe for wires? Make it as small a diameter as you can... think mice and
    rats! Little buggers! ;o) If you can stetch to it, get the metal mesh,
    flexible cable gaurd.

    Suffered a lightning strike earlier in the the year. I was watching the
    storm from the back door and a bolt "struck" about 10m away. Once I'd put on
    a new pair of pants I checked my computer. The PC was off at the time
    (physically unplugged) but the LAN cable between just the PC (upstairs) and
    the router (downstairs - also unplugged from mains and phone) had caught the
    EMP (?) and transfered it to both the PC and the router... both died.
    Luckily the PC LAN was on a card so just that got fried. Apparantly LAN
    circuitry is very fragile... use wireless if possible! ;o)

    Cheers,
    Jim



  7. #7
    Roger Hamlett's Avatar
    Roger Hamlett Guest

    Default advice and opinions please....observatory


    "James Hill" <jay ay undaskor hill on microsoft's hot mail dottcomm
    system> wrote in message
    news:438995ea$0$82637$ed2619ec@ptn-nntp-reader03.plus.net...
    Lan circuitry is amongst the _least_ fragile on a computer!. It is
    designed to be able to withstand mains being applied without problems,
    _but_ a lightning strike will destroy this level of protection easily. If
    you look at industrial useage, any data link that goes between buildings
    should have opto-isolation, and preferably fibre-optic links. Wireless can
    be a good way to go now, given it's relative price.
    The pipe, should be rat proof (ceramic drain pipes work well), and should
    end in a metal junction box, which then only has small openings to the
    house. A larger pipe is nicer if you elect to add things latter, but
    unless you have met just how good rats can be at getting through things,
    you should get advice on making this part of the connection. :-)

    Best Wishes



  8. #8
    Hayley's Avatar
    Hayley Guest

    Default advice and opinions please....observatory

    Thanks to everyone for the advice, links etc



    "Hayley" <cambs.home@ntlworld.com> wrote in message
    news:Hy0if.6489$w73.3607@newsfe1-gui.ntli.net...



 

 

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