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/45397/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 45397,
    "uuid": "566eb16a01a04767b6156b90cf140b9e",
    "title": "TEAMxUK: in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "In-situ airborne observations by the FAAM BAE-146 aircraft for TEAMxUK.",
    "keywords": "TEAMxUK, FAAM, airborne, atmospheric measurments",
    "discoveryKeywords": [],
    "publicationState": "working",
    "dataPublishedTime": "2025-09-10T16:16:49",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45405/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45412/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45414/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45514/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45518/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45522/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45526/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45530/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45534/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45538/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45542/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45546/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45550/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45554/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45558/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45562/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45566/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45570/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45574/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45578/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45582/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45586/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45590/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45594/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45597/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45601/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45605/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/45609/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/217203/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/217204/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/217205/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/217206/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/217207/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/217208/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/217209/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/217210/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/217211/?format=api"
    ]
}