Get a list of Collections objects. Collections have a 1:1 mapping with Observations.

### Available end points:

- `/observationcollections/` - Will list all Collections in the database
- `/observationcollections.json` - Will return all Collections in json format
- `/observationcollections/<object_id>/` - Returns Collections object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `uuid`
- `title`
- `keywords`
- `discoveryKeywords`
- `publicationState`

### How to use filters:

- `/observationcollections/?uuid=ab4ca8d019d148f78afba1cd20872bdd`

- `/observationcollections.json?publicationState=citable`

GET /api/v2/observationcollections/12228/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 12228,
    "uuid": "0cb1fdfbf52140b2b2177b0dc52ebca0",
    "title": "APPRAISE ADIENT: Atmospheric FAAM and GlobAEROSOL data",
    "abstract": "The objective of the ADIENT (Appraising the Direct Impacts of aErosol oN climaTe) project was quantifying the direct effect of aerosols on the Earth's radiation budget, via scattering and/or absorption of radiation. \r\n\r\nA primary task of the Oxford team in the ADIENT project was to provide satellite data in support of ADIENT FAAM aircraft measurement campaigns. This encompassed both aiding flight planning by providing information on where and when satellite overpasses occurred, and providing easily digestible aerosol fields from satellite sensors at near-real-time. \r\n\r\nGlobAEROSOL was an ESA Data User Element project aimed at providing a 10 year aerosol climatology from European satellite radiometers. The project is made use of the ATSR­\r\n2 instrument (on board ERS­2), AATSR and MERIS (on board Envisat), and SEVIRI (on\r\nboard Meteosat­8).\r\n\r\nThis data collection includes selected data from ATSR2 and AATSR as well as FAAM Flights data.",
    "keywords": "APPAISE-ADIENT, FAAM, GlobAEROSOL",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2007-12-10T03:13:16",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/6543/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/6549/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15474/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16141/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16150/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16159/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16171/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16491/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16495/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16499/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16511/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16515/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16519/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16523/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16802/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16806/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16835/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16839/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16847/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16972/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16980/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17348/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17352/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17356/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17360/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17548/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17552/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17556/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17560/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17564/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17568/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17573/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17577/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17581/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18043/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18623/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18627/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18635/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19839/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/8347/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/8891/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/46655/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/46653/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/46654/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/46659/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/46661/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/46663/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/46652/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/46658/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/46656/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/46863/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/46841/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/75388/?format=api"
    ]
}