Observation Collection Instance – Django REST framework

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/44842/?format=api

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 44842,
    "uuid": "39d5fef09ffb43429c7366afc941069c",
    "title": "SISTeR:  Collection of RMS Queen Mary 2 (QM2) Cruise datasets, v2.5",
    "abstract": "This collection is the record of data from the SISTeR (Scanning Infrared Sea surface Temperature Radiometer) instrument taken on RMS Queen Mary 2 since 2010, processed with version 2.5 of the processor to level 2R and level 3R.  These have included World Cruises, North Atlantic crossings, and side trips, in particular to the Caribbean, Canada, Northern Europe and the Mediterranean.",
    "keywords": "",
    "discoveryKeywords": [],
    "publicationState": "published",
    "dataPublishedTime": "2026-01-21T10:17:14",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41553/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/43431/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/43432/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/43433/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/43551/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/214752/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/214753/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/214754/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/214755/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/214756/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/214757/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/214758/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/214759/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/214760/?format=api"
    ]
}