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  • Colour Changing Star

    Over the last couple of weeks, I have been watching a really bright star roughly North-East aspect that changes colour from Red-Green-Blue-Yellow, the only thing I can think of that it resembles is Aurora Borealis Gemstone. Has anyone else noticed it. It's times like this I wish I had a telescope.
    sigpic“Gorillas are very intelligent, but they don't have to be as delicate as chimps -- they can just smash open the termite nest,”
    --------------------------------------------------------------------
    Official Member Of The Nutters Club - Rwanda Branch.
    -------------------------------------------------------------------
    Sent from my ZX Spectrum with no predictive text..........
    -----------------------------------------------------------
    KOYS - King Of Yellow Stickers..............

  • #2
    If you can mention it's location at an earlier time I can check it out on my iPad as it has the basic 'night sky' on it? It might mention which star/ planet you are looking at?
    "Nicos, Queen of Gooooogle" and... GYO's own Miss Marple

    Location....Normandy France

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    • #3
      At this time you have the Summer Triangle visible.
      This is made up of Vega, Deneb and Altair. They are all bright and when coming through the atmosphere they will refract and display colour change. These ae however a bit further round and more "South-East" although overhead is probably more accurate.

      Low in the North North East is the "classic" for multi-colour, Capella, again bright, part of Auriga but the others in Auriga are somewhat dimmer. Capella is a double star and both are similar size and similar but not the same temperature. The temperature gives the star colour and so you get refracted colour from both at the same time, and hence more colour then normal.

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      • #4
        Cheers Kirk, interesting.
        sigpic“Gorillas are very intelligent, but they don't have to be as delicate as chimps -- they can just smash open the termite nest,”
        --------------------------------------------------------------------
        Official Member Of The Nutters Club - Rwanda Branch.
        -------------------------------------------------------------------
        Sent from my ZX Spectrum with no predictive text..........
        -----------------------------------------------------------
        KOYS - King Of Yellow Stickers..............

        Comment


        • #5
          Usually the first thought for a multi coloured star is Capella. It is known for it.
          I had started writing it would be Capella then realised I was not 100% sure where it was in the sky. So filled in with Deneb/Vega/Altair. Stellarium gave Capella as very low but the horizon on that seems to be set high, simple planesphere works better.

          The other is often Sirius but that is not around at present, and when it is you would probably have said left of Orion. Sirius is multi coloured as it stays relatively low so the light is passing through a fair bit of the atmosphere and the atmosphere is more wedge/prism like at low angles.

          Saturn is around but South West really, and it shouldn't change colour/twinkle.

          I need to relearn all this for Sept/Oct.
          Last edited by Kirk; 30-07-2014, 05:49 PM.

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          • #6
            Can you see it now BM?
            "Nicos, Queen of Gooooogle" and... GYO's own Miss Marple

            Location....Normandy France

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            • #7
              Its not even dark here, Nicos. Not much hope of seeing stars in the UK yet

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              • #8
                Originally posted by Nicos View Post
                Can you see it now BM?
                Not yet Nic, the sky is still a bit light. It's usually around 11pm-Midnight when I notice it but will keep checking & let you know.
                sigpic“Gorillas are very intelligent, but they don't have to be as delicate as chimps -- they can just smash open the termite nest,”
                --------------------------------------------------------------------
                Official Member Of The Nutters Club - Rwanda Branch.
                -------------------------------------------------------------------
                Sent from my ZX Spectrum with no predictive text..........
                -----------------------------------------------------------
                KOYS - King Of Yellow Stickers..............

                Comment


                • #9
                  I noticed a very colourful twinkly star a few days ago - at first I thought it was a stationary helicopter with coloured lights, but it was a star. Quite low in the sky, north north east.

                  Sky is still light here, so not visible at the moment.

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                  • #10
                    Originally posted by WPG View Post
                    I noticed a very colourful twinkly star a few days ago - at first I thought it was a stationary helicopter with coloured lights, but it was a star. Quite low in the sky, north north east.

                    Sky is still light here, so not visible at the moment.
                    So glad I don't need to visit the Psychiatrist just yet..................
                    sigpic“Gorillas are very intelligent, but they don't have to be as delicate as chimps -- they can just smash open the termite nest,”
                    --------------------------------------------------------------------
                    Official Member Of The Nutters Club - Rwanda Branch.
                    -------------------------------------------------------------------
                    Sent from my ZX Spectrum with no predictive text..........
                    -----------------------------------------------------------
                    KOYS - King Of Yellow Stickers..............

                    Comment


                    • #11
                      I love stargazing, must look out for this one.
                      My blog - http://carol-allotmentheaven.blogspot.com/

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                      • #12
                        It's out now but needs to get a bit darker to see the colours............about 45°-50° off the horizon.
                        sigpic“Gorillas are very intelligent, but they don't have to be as delicate as chimps -- they can just smash open the termite nest,”
                        --------------------------------------------------------------------
                        Official Member Of The Nutters Club - Rwanda Branch.
                        -------------------------------------------------------------------
                        Sent from my ZX Spectrum with no predictive text..........
                        -----------------------------------------------------------
                        KOYS - King Of Yellow Stickers..............

                        Comment


                        • #13
                          Went out on the veranda to have a look but there are trees blocking my view
                          My blog - http://carol-allotmentheaven.blogspot.com/

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                          • #14
                            Originally posted by Ananke View Post
                            Went out on the veranda to have a look but there are trees blocking my view
                            That's damned inconsiderate.
                            sigpic“Gorillas are very intelligent, but they don't have to be as delicate as chimps -- they can just smash open the termite nest,”
                            --------------------------------------------------------------------
                            Official Member Of The Nutters Club - Rwanda Branch.
                            -------------------------------------------------------------------
                            Sent from my ZX Spectrum with no predictive text..........
                            -----------------------------------------------------------
                            KOYS - King Of Yellow Stickers..............

                            Comment


                            • #15
                              I'm tempted to go for a drive now
                              My blog - http://carol-allotmentheaven.blogspot.com/

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