CBA Center for Backyard Astrophysics

CBA Network Map

A global network of small telescopes dedicated to photometry of cataclysmic variables.


Current CBA News...

Current CBA Data...

  • ASASSN-15JD (JD 7171.57 - 7171.79) (Shawn Dvorak)
  • DQ Her 172.695-173.005 (Marlin Costello)
  • DQ Her JD172.368 - 172.443 (Douglas Barrett)
  • V1223 Sgr, V2051 Oph, ASASSN-14fz, 15jz, 15hj, 15jj, May 29 (Josch Hambsch)
  • IGR J19552+0044, CR Filter, 0.41m RC, ST-10XME, exp: 180 sec., JD UT 2457171 (Donn Starkey)
  • V406 Vir, Cv Filter, 0.41m RC, ST-10XME, exp: 180 sec., JD UT 2457164 (Donn Starkey)
  • V1101 Aql (JD 171.729 - 171.836) with clouds (Joe Ulowetz)
  • UX UMa (JD 171.597 - 171.707) some clouds (Joe Ulowetz)
  • DQ Her C- filter JD171.365 - 171.629 (Douglas Barrett)
  • DQ Her (170.69591-170.98900) (Jim Jones)
  • Recent Data

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V803 Centauri - April 1997 - CBA

This is a light curve of V803 Cen, as synthesized from observations in South Africa (J. Patterson), Chile (J. Kemp), New Zealand (S. Walker), and Australia (P. McGee in Adelaide and G. Garradd in Loomberah). The period is 23.7±0.2 hr. The true speed demon among the dwarf novae!