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/10885/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 10885,
    "uuid": "7767578df074e685932237a00ef319c5",
    "title": "AVHRR-3: Radiometric images",
    "abstract": "AVHRR-3 scans the Earth's surface in six spectral bands in the range of 0.58-12.5 microns, to provide day and night imaging of land, water and clouds and measurements of sea surface temperature, ice snow and vegetation cover.  The instruments were provided by the National Oceanic and Atmospheric Administration (NOAA) and is flown on the EPS-METOP series of satellites\r\n\r\nThis dataset collection contains data from the Advanced Very High Resolution Radiometer-3 (AVHRR-3) on board the Eumetsat Polar System (EPS) MetOp-A satellite. ",
    "keywords": "AVHRR-3, radiometric, images",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2011-12-10T03:16:47",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/10886/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/7247/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/7248/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39162/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39164/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39165/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39166/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39168/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42632/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42633/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39163/?format=api"
    ]
}