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Thread: Outlines for Deep-sky objects

  1. #1
    Member deepskywim's Avatar
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    Outlines for Deep-sky objects

    Hello,

    As this is my first post on this forum, I would like to introduce myself a bit ;-)
    I'm a deepsky observer from Belgium and the proud owner of Obsession #693 (an 18''). I'm also one of the developers of DeepskyLog, an online logging tool for Deepsky observations.

    Does anyone know where I can find the outlines of deepsky objects (including the milky way)? On the website of Jose Torres (www.uv.es/jrtorres), I could find some files which where made by Mark Smedley. However, I can not find a mail address of Mark Smedley, I don't know the format of these files or whether I can use these files myself...
    Does anyone know of some other outline files which can be used freely? What are the most recent and best of these outline files?

    Thanks a lot,

    Wim
    Last edited by deepskywim; February 20th, 2012 at 02:19 PM.
    Wim De Meester
    18'' Obsession #693
    Log your observations : http://www.deepskylog.org/

  2. #2
    Administrator/Co-Founder Dragan's Avatar
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    Wim,

    What do you mean exactly as an outline?
    Clear Dark Skies,
    Dragan Nikin
    25" f/5 Obsession #610 "Toto"
    30" f/4.5 OMI EVO #1 "Tycho"
    www.darkskiesapparel.com

  3. #3
    Member deepskywim's Avatar
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    Sorry for not being clear enough.
    In most of the catalogs, you only get information about the location of the deep-sky objects and the size of the object.
    However, some objects, like M 42 or ngc 6960/6992 have a very typical shape. I'm looking for a list of coordinates describing how these objects really look like. I found some lists and here is an example of the coordinates that should be connected to draw M 42 :

    05.56401 -05.49880 start M 42
    05.56759 -05.39201 vertex
    05.56635 -05.31749 vertex
    05.57158 -05.21922 vertex
    05.57601 -05.21716 vertex
    05.58830 -05.30164 vertex
    05.59140 -05.34341 vertex
    05.59028 -05.37076 vertex
    05.59008 -05.38175 vertex
    05.59581 -05.37159 vertex
    05.59943 -05.47123 vertex
    05.59912 -05.65838 vertex
    05.59520 -05.73212 vertex
    05.58490 -05.68102 vertex
    05.56948 -05.57675 end

    What I'm looking for is an up to date list, with the coordinates describing the shape of as many deep-sky objects as possible.

    Thanks a lot!
    Wim De Meester
    18'' Obsession #693
    Log your observations : http://www.deepskylog.org/

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