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/16557/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 16557,
    "uuid": "67cf6375ca6349e78080652e87ad3175",
    "title": "VANAHEIM: in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "In-situ airborne observations by the FAAM BAE-146 aircraft for Volcanic and Atmospheric Near- to far-field Analysis of plumes Helping Interpretation and Modelling (VANAHEIM).",
    "keywords": "VANAHEIM, FAAM, airborne, atmospheric measurments",
    "discoveryKeywords": [
        1138,
        1142
    ],
    "publicationState": "published",
    "dataPublishedTime": "2016-01-12T13:02:26",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16556/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20210/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20214/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20218/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20222/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20226/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20230/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25265/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25465/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25469/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25473/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25477/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25481/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25485/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25489/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63480/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63472/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63473/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63479/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63471/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63476/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63477/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63478/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63474/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63475/?format=api"
    ]
}