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/15806/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 15806,
    "uuid": "01b606c523154f7693956e5e0f0a92f1",
    "title": "PIKNMIX: in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "In-situ airborne observations by the FAAM BAE-146 aircraft for Met Office PIKNMIX campaigns: cloud pyhsics and radiation events.",
    "keywords": "PIKNMIX, FAAM, airborne, atmospheric measurments",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2014-07-14T13:38:13",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15805/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15810/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16041/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16200/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16578/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16587/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16591/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16603/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17153/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17157/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17161/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17276/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17280/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18330/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18334/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18342/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18346/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18358/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18362/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18713/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18717/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18725/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18745/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27916/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27918/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27920/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27924/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27926/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27928/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27930/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27932/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27934/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27936/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27938/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27940/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27942/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27944/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27946/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27948/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/60992/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/60984/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/60985/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/60991/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/60983/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/60988/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/60989/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/60990/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/60986/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/60987/?format=api"
    ]
}