Instrument Instance

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{
    "ob_id": 19755,
    "uuid": "d48eaf5a8b52496b9432624a1b21f776",
    "title": "NERC MST Radar Facility Noctilucent Cloud camera",
    "abstract": "The camera is operated between dusk and dawn (typically at 5 minute intervals) during the mid-summer months (principally June and July) with the aim of observing Noctilucent Cloiuds for scientific study. It is located within the Receive Cabin of the Chilbolton Observatory, Hampshire, UK\r\n(51.145168°N,-1.4397500°E). It is approximately 4.3 m above the ground level,\r\nwhich is approximately 84 m above mean sea level. The field of view (taking\r\nthe 1.6 crop factor of the camera into account) is 67.9° in the horizontal and\r\n45.3° in the vertical. The centre of each image is directed towards an azimuth\r\nof approximately +15°. However, since the camera body is not locked in place,\r\nthis value can vary by a few degrees (typically from one year to the\r\nnext). The azimuth at which stars reach their lowest elevation corresponds to\r\ntrue north. This has been used to estimate an azimuth of +17.6° for where the\r\nmast in th e foreground crosses the skyline. The +0.4° elevation of the skyline\r\nhas been measured with an inclinometer. Date-time information is derived from\r\nthe image capture computer and given in Coordinated Universal Time (UTC).\r\n",
    "keywords": "Noctilucent cloud",
    "identifier_set": [],
    "instrumentType": "imager",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74830/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74827/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74828/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74829/?format=api"
    ]
}