a selection of chart and data references we recommend to photometric observers of cataclysmic variables
- A Catalog and Atlas of Cataclysmic Variables: Archival Edition
 Space Telescope Science Institute
- The STScI Digitized Sky Survey
 Space Telescope Science Institute
- TAPIR Airmass Plots
 Swarthmore College
- TAPIR Annotated Finding Charts
 Swarthmore College
- Aladin Sky Atlas
 Centre de Données Astronomiques de Strasbourg
- Simbad Astronomical Database
 Centre de Données Astronomiques de Strasbourg
- VizieR
 Centre de Données Astronomiques de Strasbourg
- Astrophysics Data System
 Harvard-Smithsonian Center for Astrophysics
- arXiv.org: astro-ph
 Cornell University
- Astronomical Applications Department Data Services
 United States Naval Observatory
- JSkyCalc, SkyCalc, and SkyCalendar
 John Thorstensen, Dartmouth College
- Variable Star Plotter
 American Association of Variable Star Observers
- Variable Star Index
 American Association of Variable Star Observers
- WebObs Search
 American Association of Variable Star Observers
- Light Curve Generator
 American Association of Variable Star Observers
- AAVSO Data Download
 American Association of Variable Star Observers
- APASS Data Download
 American Association of Variable Star Observers
the CBA provides independent advice and does not accept advertising, payment, or discounts in exchange for listing, endorsing, or positive coverage
