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/24051/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 24051,
    "uuid": "9397dc10f3e94bb2ad498c844bce18b0",
    "title": "ICARE-QAD: in-situ airborne observations by the ATR42 - SAFIRE aircraft aircraft",
    "abstract": "In-situ airborne observations by the ATR42 - SAFIRE aircraft aircraft for icare-QUAD- Quality of Airborne Data (ICARE-QAD).",
    "keywords": "ICARE-QAD, EUFAR, aircraft, atmospheric",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2018-01-22T09:39:16",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24050/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24055/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24059/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24063/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24067/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24071/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24075/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24079/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25137/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25269/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98675/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98668/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98669/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98667/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98671/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98672/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98673/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98674/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98670/?format=api"
    ]
}