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/28048/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 28048,
    "uuid": "56c03beb2e11472d87d547ea53c95f51",
    "title": "Meteorological observations recovered by the Weather Rescue project",
    "abstract": "This dataset contains meteorological observations rescued by different phases of the Weather Rescue project. They include hourly observations taken on Ben Nevis and in the town of Fort William between 1883 and 1904, and observations from the UK, Ireland and mainland Europe recorded in the Met Office's Daily Weather Report from 1900-1910. Variables available include: atmospheric pressure, temperature, wind speed and rainfall.",
    "keywords": "Weather Rescue, meteorology,  reports, Ben Nevis",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2019-10-24T12:34:12",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27035/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28050/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118112/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118121/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118118/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118114/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118115/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118116/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118117/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118119/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118120/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118113/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/168797/?format=api"
    ]
}