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/26331/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 26331,
    "uuid": "cdecaea11e59472b8800d5d938a3c8ee",
    "title": "MACSSIMIZE: in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "In-situ airborne observations by the FAAM BAE-146 aircraft for Measurements of Arctic Clouds, Snow, and Sea Ice nearby the Marginal Ice ZonE (MACSSIMIZE).",
    "keywords": "MACSSIMIZE, FAAM, airborne, atmospheric measurments",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2018-04-18T13:19:19",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26330/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26339/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26343/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26347/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26351/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26355/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26359/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26363/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26367/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26371/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/110485/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/110477/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/110478/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/110484/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/110476/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/110481/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/110482/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/110483/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/110479/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/110480/?format=api"
    ]
}