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/24182/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 24182,
    "uuid": "f284372062b14bd5a7184775d439b8d4",
    "title": "MORE: in-situ airborne observations by the ENDURO - KIT aircraft aircraft",
    "abstract": "In-situ airborne observations by the ENDURO - KIT aircraft aircraft for MORE- Marine Ozone and Radiation Experiment  .",
    "keywords": "MORE, EUFAR, aircraft, atmospheric",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2018-01-22T09:39:57",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24181/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24186/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24190/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24194/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24198/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24202/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24206/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24210/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24214/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24218/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99141/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99134/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99135/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99133/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99137/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99138/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99139/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99140/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99136/?format=api"
    ]
}