AAVSO Variable Star Plotter (VSP)

An online tool from the American Association of Variable Star Observers (AAVSO) to create customized finder charts for variable stars.[cite: 3]

Catalog and Atlas of Cataclysmic Variables

Catalog and Atlas of Cataclysmic Variables.

Data Access - AAVSO

Access to the AAVSO International Database, containing millions of variable star observations spanning more than 100 years.

Database of UV-Optical Spectra of Nearby Quiescent and Active Galaxies

Database of UV-Optical Spectra of Nearby Quiescent and Active Galaxies

DataONE

DataONE is a community-driven project providing open, persistent, and robust access to Earth and environmental data.

Dryad

Curated resource-agnostic repository that makes research data underlying scientific publications discoverable and reusable.

Dryad Digital Repository

Platform enabling researchers to deposit and preserve scientific datasets associated with peer-reviewed literature.

EIS - The ESO Imaging Survey

ESO Imaging Survey. The central element on the EIS Home Page is the table listing all surveys. The information in this table is not only split up by survey name but also by the observing strategies for a survey.

figshare

Online digital repository where researchers can preserve and make their research outputs available in a citable, shareable manner.

Harvard Dataverse

General data repository hosted by Harvard University for sharing, archiving, and citing research data across disciplines.

IEEE Dataport

Secure repository providing access to datasets supporting engineering, computer science, and data-intensive research.

INSPIRE-HEP - Cosmology Category

High-Energy Physics information system cataloging scientific papers on early universe models.

L"Encyclopédie des Planètes Extrasolaires

Catalogue interactif des planètes extrasolaires développés pour la communauté scientifique et le grand public.

LEDA - Lyon-Meudon Extragalactic Database

A database of galaxies, providing a wide range of parameters and data for extragalactic astronomy research.

Mendeley Data

Secure cloud-based repository where researchers can store, share, and discover open research datasets.

Messier Objects Directory - SEEDS

Complete directory and astronomical information about the 110 deep-sky Messier objects.

NASA Exoplanet Archive

The NASA Exoplanet Archive is an online astronomical exoplanet and stellar catalog and data service.

NASA Science Data

A central portal for accessing data from NASA"s science missions.

NASA Technical Reports Server (NTRS) - Dataset

The NTRS is a valuable resource for researchers, students, educators, and the public to access NASA"s current and historical technical literature and engineering results.

NASA/IPAC Infrared Science Archive (IRSA)

The science center for the infrared and submillimeter astronomy missions of NASA. Provides access to a vast collection of infrared data from various missions.

NED - NASA/IPAC Extragalactic Database

Comprehensive database designed for research on extragalactic objects and cosmic distances.

NSSDCA - National Space Science Data Center

NASA"s National Space Science Data Center provides a master catalog of space missions and lunar and planetary data.

Open Science Framework

Open source software project and repository facilitating open collaboration and data management in scientific research.

Russian Astronomical Society

Astrotron - rossiyskiy astronomicheskiy portal, soderzhashchiy stati, novosti i katalogi nebesnykh obektov.

SIMBAD Astronomical Database

SIMBAD is the astronomical database providing basic data, cross-identifications, and bibliography for astronomical objects outside the Solar System.

Small Bodies Node

The Small Bodies Node (SBN), a part of NASA"s Planetary Data System, specializes in the archiving and distributing of scientific data sets.[cite: 3]

The Digitized Sky Surveys at STScI

The Digitized Sky Survey (DSS) comprises a set of all-sky photographic surveys, now available online through the STScI archive.[cite: 3]

The Extrasolar Planets Encyclopaedia

Interactive extra-solar planets catalog founded by Jean Schneider at Observatoire de Paris.

The Guide Star Catalog, Version 2 (GSC-II)

An astronomical catalog of stars created by the Space Telescope Science Institute. It contains entri

The Open Exoplanet Catalogue

An open-source database of all discovered extra-solar planets with data updated continuously.

Zenodo

Open-access repository created by CERN and OpenAIRE to enable researchers to share and preserve multidisciplinary research data.