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SBS 1108+574

Special Notice #385: SBS 1108+574 HST/COS observations crucial NOW

May 13, 2014: The HST/COS observations of the cataclysmic variable SBS 1108+574 described in AAVSO Alert Notice 501 and Special Notice #384 are scheduled for 2014 May 16 06:19:04 - 15:16:56 UT.

Your observations TONIGHT AND PARTICULARLY TOMORROW NIGHT ARE CRUCIAL!

Special Notice #384: SBS 1108+574 HST/COS obs next week

May 9, 2014: The HST/COS observations of the cataclysmic variable SBS 1108+574 described in AAVSO Alert Notice 501 have been pushed back a few days. The new exact time of the observations is:

                 SBS 1108+574      2014 May 16 06:19:04 - 15:16:56 UT

Alert Notice 501: Monitoring requested for HST/COS observations of SBS 1108+574

April 29, 2014: Dr. Peter Garnavich (University of Notre Dame) and Dr. Paula Szkody (University of Washington) have requested the help of AAVSO observers in monitoring the cataclysmic variable SBS 1108+574 (= CSS 120422:111127+571239) in support of upcoming Hubble Space Telescope observations. The HST COS (Cosmic Origins Spectrograph) will be carrying out far-ultraviolet spectroscopy of this target on 2014 May 12-13 UT.

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