HST/COS is scheduled to observe the the U Gem-type dwarf nova SDSS J100658.40+233724.4 this Thursday. Observations are scheduled for:
SDSS J100658.40+233724.4 2014 March 20 05:35:00 through 14:17:27 UT
The scheduling team will likely make their final decision early WEDNESDAY (March 19), so your observations are essential tonight and tomorrow night.
Please monitor SDSS J100658.40+233724.4 through March 22. SDSS J100658.40+233724.4 is usually around magnitude 18.3 V at minimum and may be as bright as 15.662 V at maximum, according to observati! ons in the AAVSO International Database.
Please report observations as soon as possible to the AAVSO International Database using the name SDSS J100658.40+233724.4. If an outburst is detected, please report observations immediately. Many thanks!