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/10946/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 10946,
    "uuid": "09c00e6a6975cbcf357ce7a2a9f23ddc",
    "title": "NASA Transition Region And Coronal Explorer (TRACE) solar images (1998-2010)",
    "abstract": "Images from the Transition Region and Coronal Explorer (TRACE), a NASA Small Explorer (SMEX) mission to image the solar corona and transition region at high angular and temporal resolution. The dataset spans the period 1998-2010.\r\n\r\nSolar images from the telescope on board NASA's Transition Region And Coronal Explorer (TRACE) mission. TRACE, is a mission of the Stanford-Lockheed Institute for Space Research (a joint program of the Lockheed-Martin Advanced Technology Center's Solar and Astrophysics Laboratory and Stanford's Solar Observatories Group ), and part of the NASA Small Explorer program.",
    "keywords": "TRACE, sun, images",
    "discoveryKeywords": [],
    "publicationState": "published",
    "dataPublishedTime": "1998-12-14T13:44:23",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/10947/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/7291/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/7292/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39386/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39380/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39382/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39383/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39384/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41099/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41100/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39381/?format=api"
    ]
}