With the clock ticking past midnight, launch day has arrived for Atlantis' Hubble repair mission. Weather looks good at KSC, and questionable weather at the TAL site in Spain is improving. NASA reports:

Atlantis and Crew Set for Monday Launch to Hubble

Image above: Night falls on Launch Pad 39A at NASA's Kennedy Space Center in Florida following rollback of the pad’s rotating service structure, or RSS, revealing space shuttle Atlantis. Photo credit: NASA/Dimitri Gerondidakis
› View larger image

All times listed in EDT
Monday Launch Day Highlights
2:41 a.m.	Countdown enters a two-hour planned hold at T-6 hours
4:06 a.m.	Mission Management Team meets to give a "go" to begin fueling Atlantis' external tank
4:41 a.m.	Countdown resumes at the T-6 hour mark with the fueling of Atlantis
5:30 a.m.	STS-125 astronauts wake up for launch
6:00 a.m.	Atlantis' astronauts undergo final medical exams
7:41 a.m.	Countdown enters a two-hour, 30-minute hold at T-3 hours; fueling enters stable replenish
8:30 a.m.	Live launch coverage begins on NASA TV and Launch Blog
10:11 a.m.	Countdown resumes at T-3 hours
10:16 a.m.	Atlantis astronauts depart crew quarters for Launch Pad 39A
10:46 a.m.	Astronauts arrive at the launch pad and begin to board Atlantis
12:01 p.m.	Atlantis' hatch is closed and latched for launch
12:51 p.m.	Countdown enters a 10-minute planned hold at the T-20 minute mark
1:01 p.m.	Countdown resumes at the T-20 minute mark
1:12 p.m.	Countdown enters a 40-minute planned hold at the T-9 minute mark, during which the Mission Management Team, and Launch Control team will conduct polls to give a final "go" decision for launch
1:52 p.m.	Countdown resumes at the T-9 minute mark
1:56 p.m.	Auxiliary Power Units start at the T-5 minute mark
2:01:49 p.m.	Atlantis launches on the STS-125 mission
2:10:19 p.m.	Main Engine Cut Off (MECO)

Live webcast from KSC and SpaceVidcast. Preflight pics are up at the JSC Gallery and Orlando Sentinel. News clip at BBC and ITN. More preflight pics and video at KSC. Discussion here. Check the links at right for play-by-play and NASA TV.