instruction: I want to track the movement of the "ACAMAR" star, so how I get information about its movement on the SkyView Free app?

previous_actions: 

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      text: "Theta Eridani (θ Eri, θ Eridani) is a star in the constellation Eridanus. It has the traditional name Acamar from the Arabic آخِر النَّهْر Ākhir an-nahr which means \"the end of the river\". Historically, Acamar represented the end of the constellation Eridanus. Now that distinction is held by the star Achernar, a star which shares the same Arabic etymology. Achernar is not visible from the Greek isles (latitudes > 33° North), hence the choice of Acamar as the river\'s end during the time of Hipparchus and later Ptolemy.\n\nThe term Ākhir an-nahr or Achr al Nahr was appeared in the catalogue of stars in the Calendarium of Al Achsasi Al Mouakket, which was translated into Latin as Postrema Fluminis.\n\nIn Chinese, 天園 (Tiān Yuán), meaning Celestial Orchard, refers to an asterism consisting of θ Eridani, χ Eridani, φ Eridani, κ Eridani, HD 16754, HD 23319, HD 24072, HD 24160, υ4 Eridani, 43 Eridani, υ2 Eridani and υ1 Eridani. Consequently, θ Eridani itself is known as 天園六 (Tiān Yuán liù, English: the Sixth Star of Celestial Orchard.)\n\nAcamar is a double star with some evidence suggesting it is part of a multiple star system. The main star, θ1 Eri, is of the spectral class A4 and has a +3.2 apparent magnitude. Its companion star, θ2 Eri, is of the spectral class A1 and has an apparent magnitude of +4.3. The angular separation of the two stars is equal to 8.3 arcseconds. Acamar\'s distance from Earth as measured by the Hipparcos astrometry satellite is approximately 120 light-years.\n\nPtolemy described Acamar as a first-magnitude star, a fact which is all the more enigmatic since the brighter star Achernar can be found just above the horizon in Alexandria where Ptolemy lived and would have been easily visible to merchants trading farther up the Nile. Al Sufi in the 10th century listed it as one of the thirteen brightest stars in the sky, and Ulugh Beg from Persia in the 15th century also listed it as a first-magnitude star.\n\nSee the Acamar Wikipedia page for more information."
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        text: "Acamar Wikipedia page"
        url: "http://en.wikipedia.org/wiki/Theta_Eridani"
        source: TEXT
        start: 1953
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      text: "02h 58m 16s"
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      text: "161 light-years"
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