Mr Jack Martin

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Viewing 20 posts - 101 through 120 (of 222 total)
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  • in reply to: Viewing Venus in the daytime this morning. #580627
    Mr Jack Martin
    Participant

    Mike,

    Here is my effort Venus-Moon-Jupiter taken 2019-01-31 at 07.05 am.

    Regards,

    Jack

    Essex UK

     

    in reply to: Lunar Eclipse Tonight #580584
    Mr Jack Martin
    Participant

    Will they ever learn to get their facts right ! source Daily Mirror 2019-01-20.

    I hasten to add I do not buy the paper, just browsing the newspaper stand in Tesco. 

    Regards,

    Jack

    Essex UK

    in reply to: Which planet is closest to Earth ? #580560
    Mr Jack Martin
    Participant

    David,

    While we are all fallible, your right it depends on how the question is worded.

    When I was studying at the OU, this is something we had to understand and master, in order to get good scores on tutor marked assignments and exams.

    I agree its a very interesting question, which has only recently been researched and answered correctly.

    We have all learned something new !

    Regards,

    Jack

    Essex UK

    in reply to: Which planet is closest to Earth ? #580548
    Mr Jack Martin
    Participant

    On a long term average which of the 3 planets is most often closer to Earth ?

    As Steve and David have given the correct answer Mercury, it would be pointless leaving it till next week.

    Follow the link on David’s post for more a more detailed explanation.

    Well done everybody who responded.

    Jack

    Essex UK 

    in reply to: New Horizons about to fly past ‘Ultima Thule’ #580470
    Mr Jack Martin
    Participant

    Nick,

    Thanks for the info on NH technical details.

    It makes it all the more interesting and which the media don’t give.

    Regards,

    Jack

    Essex UK

    in reply to: “Melting” meteor #580469
    Mr Jack Martin
    Participant

    Bill,

    Thanks for an interesting video and spectrum to show what its composed of.

    Regards,

    Jack

    Essex UK

    in reply to: Apollo 8 observations – Sky and Telescope #580434
    Mr Jack Martin
    Participant

    I was one of the first outsiders to see Moon rock and dust samples in Nov 1969 bought back by Apollo 11, at Queen Mary University of London Chemistry department, who were given small samples for analysis.

    Jack

    Essex UK

    in reply to: Windows 7 upgrade #580321
    Mr Jack Martin
    Participant

    Eric,

    How do I process hot pixels ?

    Regards,

    Jack

    Essex UK

    in reply to: Windows 7 upgrade #580316
    Mr Jack Martin
    Participant

    I tried PHD2 early this morning it appears to be working !

    Thanks for your advices,

    Jack

    Essex UK 

    in reply to: Windows 7 upgrade #580315
    Mr Jack Martin
    Participant

    Nick,

    I tried this and it still doesn’t like it.

    This may be because they are both atik cameras ?

    I could try swapping the atik for the lodestar guide camera to see if that works ?

    Regards,

    Jack

    Essex UK

    in reply to: Software for guiding on a slit #580314
    Mr Jack Martin
    Participant

    John,

    Thanks for the link, tried it early this morning and works ok.

    Regards,

    Jack

    Essex UK

    in reply to: Software for guiding on a slit #580259
    Mr Jack Martin
    Participant

    Thank you everyone for your comments, very helpful.

    Regards,

    Jack

    Essex UK

    in reply to: Windows 7 upgrade #580250
    Mr Jack Martin
    Participant

    Nick,

    Thanks for your feedback.

    I am trying to get 2 cameras to work in MaximDL Atik 460 and 314. 

    Maxim does not like it and freezes.

    What’s causing this ?

    How do I configure Maxim for 2 cameras ?

    Regards,

    Jack

    Essex UK

    in reply to: Windows 7 upgrade #580245
    Mr Jack Martin
    Participant

    Thanks for your responses.

    Nick, Microsoft.Net is installed.

    How do you get MaximDL to guide on a spectrograph slit ?

    Eric, I have enabled the pulse guiding box.

    Just need a clear night to test the system.

    Regards,

    Jack

    Essex UK

    in reply to: Amateur Spectroscopy over 100 years ago #580202
    Mr Jack Martin
    Participant

    How to work with the spectroscope by John Browning 1878 Cambridge library collection lists McLean’s star spectroscope for £2 10 0 !

    Jack

    Essex UK

    in reply to: TRUBEL WITH VISTA #580201
    Mr Jack Martin
    Participant

    Peter,

    I don’t know why vista no longer works on your computer BUT;

    I used vista at work it was user unfriendly, and consequently withdrawn by Microsoft some years ago.

    I suggest Windows 7 as a good alternative.

    Remember these are all hybrids of XP, the best Microsoft operating system ever.  

    Regards,

    Jack

    Essex UK

    in reply to: Bright meteor spectrum #580175
    Mr Jack Martin
    Participant

    Bill,

    Good work and well done.

    What software are you using to data reduce with ?

    Regards,

    Jack

    Essex UK

    in reply to: BAA Practical Spectroscopy Workshops #580174
    Mr Jack Martin
    Participant

    Andy,

    I agree with your suggestions.

    I am prepared to travel to the midlands and happy to help out.

    For me its using BASS, perhaps John Paraskeva would run the BASS day ? and a Lhires users workshop.

    Regards,

    Jack

    Essex UK

    in reply to: Spectro stuff for sale, best place to advertise? #580041
    Mr Jack Martin
    Participant

    Tony,

    Please put your list up here.

    Regards,

    Jack

    Essex UK

    in reply to: Meteor Spectrum 2018 Aug 13 @ 02:07UT #579901
    Mr Jack Martin
    Participant

    Michael,

    Nice spectrum

    Good work,

    Regards,

    Jack

    Essex UK

Viewing 20 posts - 101 through 120 (of 222 total)