AAVSO Special Notice #336 [1] details the next three HST/COS campaign targets: BB Dor (being observed February 13), SDSS J143544.02+233638.7 (February 15-16), and HM Leo (February 22). Your observations of these cataclysmic variables are essential to the success of this campaign. Thank you!
Good observing - Elizabeth Waagen, AAVSO HQ
Links:
[1] http://www.aavso.org/aavso-special-notice-336
[2] http://www.aavso.org/forums/variable-star-observing/campaigns-observation-reports