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/24406/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 24406,
    "uuid": "5cc1d6587533461fbfaf7d9fcc5ce86c",
    "title": "HYMOUNTECOS: in-situ airborne observations by the DO228-212 /D-CFFU - DLR aircraft aircraft",
    "abstract": "In-situ airborne observations by the DO228-212 /D-CFFU - DLR aircraft aircraft for HyMountEcos- Hyperspectral Remote Sensing for Mountain Ecosystems (HYMOUNTECOS).",
    "keywords": "HYMOUNTECOS, EUFAR, aircraft, hyperspectral, remote sensing",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2018-01-22T09:51:41",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24405/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24410/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24414/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24418/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99950/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99942/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99943/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99949/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99941/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99946/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99947/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99948/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99944/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/99945/?format=api"
    ]
}