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sci.astro.amateur
Amateur astronomy equipment, techniques, info, etc.

  • Re: Field de-rotation by software?
    Thanks to everyone for the feedback.
    Chris, I realise that what I am looking for may be uncommon. The problem
    itself is rather interesting and I am sure there MUST BE something already
    written (program) that can handle the problem. As you stated the end
    results may not be perfect however, but then the program will ony work as

  • Re: Viewing by eye versus astrophotography
    As you are still here, I might ask some even-more-stupid questions.
    By way of background, I know a fair bit about theoretical astronomy, physics
    (optics), and computers. I like gadgets and "systems engineering". I built a
    6" reflector telescope when I was a teenager (ie ground the mirror by hand),

  • Re: "Space elevator" idea almost as stupid as the ISS
    I have to agree this time with you Rich:)
    A "Space Elevator" really is just science fiction.
    I mean, what about WIND?
    Oh, we don't worry about that....
    As far as Colonization...hmmmm.
    I can see a "Moon Base" but other bases? Nope not for a long time.
    As far as Colonizing Mars?
    I seem to recall an experiment some years ago in a dome.

  • Re: so why didnt soviets expose fake moon landing?
    So then you claim JAXA/Selene has not verified the Apollo moon
    landings.
    from
    [link]
    Quoting now
    The "halo" area around Apollo 15 landing site observed by Terrain
    Camera on SELENE(KAGUYA)
    JAXA reported on the "halo" generated by the Apollo 15 lunar module

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  • Re: Viewing by eye versus astrophotography
    Of course not. I don't think I said anything to suggest that. I said
    reproducibility is a major _advantage_.
    Even a live image (which is typically the lowest quality image there is)
    is very distinguishable from a direct visual view by virtue of being
    vastly superior!
    ______________________________ ___________________

  • Re: Galaxy Catalog ID and Magnitude Sought
    "William R. Mattil" wrote in news:97LFk.1567
    $Ei5.1...@flpi143.ffdc.sbc.com :
    No idea about the ID -
    the image is very dark btw - is it 3x300s LRGB as indicated in the web
    page's title (and in that case where is the RGB? ;-0) or is it shot in H-
    Alpha as the astrodon mention in the text seems to indicate?

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  • Re: Viewing by eye versus astrophotography
    In article ,
    Even if reproducibility is not a goal, it's hardly a disadvantage.
    Unexpected things may always happen. And if you observed something
    unusual, your observation will gain more credibility if you managed to
    photograph it than if you merely saw it visually.

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  • Re: so why didnt soviets expose fake moon landing?
    On Sun, 5 Oct 2008 06:59:09 -0700 (PDT), the following
    appeared in sci.skeptic, posted by BradGuth
    :
    Uh, Brad? Maybe you should check your lithium. I didn't, and
    can't, "shut down our Usenet/newsgroups".
    And yet your post is right here for all to see. Seems the
    Evil Usenet Masters must be slipping. Ever think that the

  • Re: Is the Moon *really* as dark as coal? -Guy Macon
    On Sun, 5 Oct 2008 12:02:26 -0700 (PDT), the following
    appeared in sci.skeptic, posted by BradGuth
    :
    Two points: First, you need to cite references to support
    this claim ("should detect"). Second, you need to cite a
    reference for these alleged "complex surface deposits".
    Cite the published equipment specifications, please. *Then*

  • Re: so why didnt soviets expose fake moon landing?
    You certainly went along with the global domination intent of Hitler
    and the likes of whatever our resident LLPOF warlord(GW Bush) and his
    bed-wetting partners have pulled off, though I can't tell for certain
    if that means anything.
    ~ BG

  • Re: so why didnt soviets expose fake moon landing?
    Once again, you're doing just great. Keep up the good work.
    Btw, it's not of just one dozen or any other dozen and some odd
    anomalies that simply doesn't add up to what should be loads of bright
    and shiny plus fairly stuff as situated upon our physically dark as
    coal but otherwise mineral rich Selene/moon.

  • Re: so why didnt soviets expose fake moon landing?
    You're doing just great. Keep up the good work.
    Btw, it's not just one dozen or any other dozen and some odd anomalies
    that doesn't add up.
    Walking on our physically dark Selene/moon is only a tadbit different
    than one-way hard landing deployments or the semi-controlled impacting
    of Apollo stuff onto that extremely nasty, crystal dry, electrostatic

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  • Re: NASA misidentified Mars salts in press conference.
    As you or most anyone half as smart as a 5th grader should know, Mars
    has darn little surface salt to its name. If there was ever water on
    Mars it had to have been mostly fresh water or of some other mineral
    brine kind of soup or muck that was extremely low in salt, but
    otherwise unusually paramagnetic if not actually rather magnetic.

  • Re: Guy Macon on whether the Apollo moon landing was a hoax:
    Why? Venus doesn't take up a lot of space in the sky. Venus is also
    between the Earth/Moon and the Sun. If they were facing the Eath and
    shooting it in full view, than the Sun (and Venus) would be behind
    them. If Venus were close to Earth/Moon, it would be presenting its
    "dark side" to us.
    EARTH MOON VENUS MERCURY SUN

  • Re: Guy Macon on whether the Apollo moon landing was a hoax:
    I've been asking Brad where his numbers come from for years!

  • Re: so why didnt soviets expose fake moon landing?
    Or, you could be completely wrong and they didn't have any problems at
    all!
    I'm going with that one.

  • Re: Is the Moon *really* as dark as coal? -Guy Macon
    Apparently the basic laws of physics work differently in Brad's world
    than they do here on Earth where it would be difficult to get guano
    dust on a terrestrial island to behave as if it were in a vacuum. It
    would also be difficult to get the flag(s) from any of the missions to
    sit there passively (sp?) while people in suits jumped around them

  • Re: Is the Moon *really* as dark as coal? -Guy Macon
    Wow. You seem to know a lot less about actual applied (or even
    general) research than I thought you did.

  • Re: Is the Moon *really* as dark as coal? -Guy Macon
    Oh no. I've been reading this guy for years. He give countless amounts
    of evidence. He just doesn't verify it or state its source so we can
    vouch for its legitimacy.

  • Re: Is the Moon *really* as dark as coal? -Guy Macon
    Besides the supposedly terrific gamma spectrometry form of geophysics
    in planetology imaging that should detect those sorts of complex
    surface deposits, and to some extent of what the crust of Mercury
    contains, why exactly is the Messenger image quality of the visible
    spectrum that’s offered for public review so unusually deprived of

  • Re: Viewing by eye versus astrophotography
    In article ,
    I agree that, for planets, galaxies and nebulae, imaging is
    unbeatable.
    I've not seen images that capture the contrasty nature of a star
    cluster seen through a large scope, basically because no screen
    technology that I know of can do the transition between space-black

  • Re: Viewing by eye versus astrophotography
    I would call that _a_ major advantage, not _the_ major advantage.
    Advantages depend on intent, and reproducibility may not necessarily be
    a goal.
    Again, this depends on intent and personal taste. I've never seen any
    object directly through a telescope (with the possible exception of
    Saturn) that gave me anywhere near the satisfaction of seeing an image

  • Re: Viewing by eye versus astrophotography
    In article <48e78269$0$4453$afc38...@news .optusnet.com.au>,
    The major advantage with photography is reproducibility. In a few
    seconds (or a few hours, depending on what exposure time you use)
    you get an image which later can be closely examined any number of
    times by anyone. Visual observations o.t.o.h. can only be performed

  • Re: Viewing by eye versus astrophotography
    On Sun, 05 Oct 2008 09:17:01 -0500, William Hamblen
    I imaged M51 once using a pinhole! Not beautiful, but somewhat more
    structure, and far more contrast, than I've ever seen visually through a
    telescope.
    ______________________________ ___________________
    Chris L Peterson
    Cloudbait Observatory
    [link]

  • Re: Viewing by eye versus astrophotography
    On Sun, 5 Oct 2008 00:49:22 +1000, "Peter Webb"
    You can photograph this with a telephoto lens.
    Bud

  • Re: so why didnt soviets expose fake moon landing?
    Why did you shut down our Usenet/newsgroups?
    It seems shortly after I’d posted by usual replies to those unable or
    by way of MI5/CIA policy or via faith denied the right to deductively
    think for themselves, is when our Google/NOVA Usenet of public
    newsgroups became rather useless and otherwise locked down by those in

  • Re: Wildest dream and nightmare come true on Mars.
    Wildest dream and nightmare come true on Mars
    ---------------big cut--------------------------- -
    So, was this a wet dream or a dry one? I think it must have been a wet one
    in your case, complete with wet Martian dust residue. You truly are the
    most bogus person ever to frequent this group, other than perhaps your

  • Re: Why does Islam degrade women by keeping them behind the veil?
    John Coward angrily wrote
    If they want to walk around looking like Darth Vader..so what? It's their
    John, john, john.....
    Do you really in the far behind of your head
    think that all women in (sorry, under) islam volunteer to run around in
    these clothings ?
    - this mailbox fabric means submission to the patriarc / male ;-(

  • Wildest dream and nightmare come true on Mars.
    Wildest dream and nightmare come true on Mars
    The Principal Investigator of Phoenix Mars Lander said Phoenix had
    achieved more than his wildest dream. No one knows what his wildest
    dreams are. However, the best achievement by Phoenix so far, as
    announced in the press conference on Sept. 22, seems to be finding

  • Re: Question
    I didn't mean to suggest that there were no discussions at all. I was just
    reflecting on how quiet it's been in the NG.
    George

  • Re: Viewing by eye versus astrophotography
    Total agreement. Through a 5 inch SCT, Omega Centauri was a glow with
    some stars visible. 30 seconds later with a monochromatic imager, it
    "resolved" into hundreds of stars. First light for that camera too.
    --- Dave

  • Re: Question
    You just did.

  • Re: Jonjon, Lin Liangtai, and Greg Crinklaw- same person?
    infamous? not famous or infamous. irrelevant and never
    tread, thats all. a fly on the grass of the universe

  • Re: so why didnt soviets expose fake moon landing?
    snip snip
    Just to make sure. You claim that with JAXA/Selene we should
    "have recorded all sorts of Apollo disturbed and/or substantial debris
    covered terrain within their 10 m/pixel resolution and nearly ideal 3D
    viewing angle, plus having absolutely terrific DR(dynamic range) from
    that TC and of its CCD plus quality telephoto optics."

  • Re: Viewing by eye versus astrophotography
    On Sun, 05 Oct 2008 03:20:19 GMT, David Nakamoto
    I agree. There might be some advantage to visual planetary astronomy
    with poor seeing, or certain kinds of seeing. But even that is giving
    way to video imaging, I think.
    My point, really, was that planetary and lunar viewing is probably the
    only case where visual observation and imaging are at least in the same

  • Re: Viewing by eye versus astrophotography
    On this last point, about planets and the Moon, I'll concede that with
    the Moon you'll see more with the unaided eye through most telescopes
    than with imaging, but my own experience is that you see more with
    stacking images from a video taken with good optics and good seeing than
    with the eye through the same telescope, perhaps twice the resolution,

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  • Re: Why does Islam degrade women by keeping them behind the veil?
    part:
    You must not have read my post.
    I don't care what they wear.
    I care what they do to non-Muslims around them.
    John Savard
    [link]

  • Re: Why does Islam degrade women by keeping them behind the veil?
    If they want to walk around looking like Darth Vader..so what? It's their
    business. KEEP YOUR DIRY NOSES OUT OF THEIR BUSINESS.!!!

  • Re: so why didnt soviets expose fake moon landing?
    On Sat, 4 Oct 2008 04:21:54 -0700 (PDT), the following
    appeared in sci.skeptic, posted by BradGuth
    :
    Oh, like your refusal to accept the statement (which is
    correct) regarding resolution, images and diffraction? Yeah,
    I thought so too...
    Who'd Bush kill? (This should be good...)