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/453/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 453,
    "uuid": "80cbbbead55a6e83e9646ecacf9ffb5e",
    "title": "Total Ozone Mapping Spectrometer (TOMS) - CD-ROM's (version 7): Global Total Column Ozone Measurements",
    "abstract": "The Total Ozone Mapping Spectrometer (TOMS) is an instrument built and operated by the National Aeronautics and Space Administration (NASA). The instrument uses backscattered ultraviolet radiance to infer total column ozone measurements. The data consists of daily gridded averages of total ozone covering the entire globe. The original Nimbus-7 TOMS operated from November 1978 until May 1993. Meteor-3 TOMS was launched in August 1991 and operated until December 1994. These CDs contain the total ozone and UV radiance data.",
    "keywords": "TOMS, Ozone",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "1996-12-10T02:16:33",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/454/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/463/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13794/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13797/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13799/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13805/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/336/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/337/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/10461/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/1277/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/1280/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/1281/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/1284/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42716/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/1279/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/1278/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42719/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42717/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42718/?format=api"
    ]
}