AstroHawk,
@AstroHawk@spacey.space avatar

& announced a 1 day delay for / launch, now 1:45amET Mon Feb 27 (West Coast viewers: 10:45pmPT Sun Feb 26) https://blogs.nasa.gov/commercialcrew/2023/02/21/nasa-spacex-announce-update-to-crew-6-mission/

AstroHawk,
@AstroHawk@spacey.space avatar

"Rocket Raised to Vertical Position for ’s Launch" by @NASA / @Commercial_Crew - & moved to vertical (launch) position at Kennedy Space Center Pad 39A for early Monday morning launch (late Sunday for West Coast viewers) to ISS https://blogs.nasa.gov/commercialcrew/2023/02/23/rocket-raised-to-vertical-position-for-nasas-spacex-crew-6-launch/

AstroHawk,
@AstroHawk@spacey.space avatar

"Flight Crew, Launch Teams Set for Countdown Dress Rehearsal" by NASA Commercial Crew - Late night rehearsal tonight for late Sunday/early Monday launch https://blogs.nasa.gov/commercialcrew/2023/02/23/flight-crew-launch-teams-set-for-crew-6-countdown-dress-rehearsal/

AstroHawk,
@AstroHawk@spacey.space avatar

"Crew-6 ‘Go’ for Launch Following Successful Launch Readiness Review" by @NASA @Commercial_Crew - NASA TV coverage begins tonight 10:15pm ET, launch 1:45am ET; then 25 hours to docking https://blogs.nasa.gov/commercialcrew/2023/02/25/crew-6-go-for-launch-following-successful-launch-readiness-review/

AstroHawk,
@AstroHawk@spacey.space avatar

95% "go" for launch tonight from NASA Kennedy Space Center, according to US Space Force 45th Weather Squadron. 5% chance of violation of cumulus cloud rule.

AstroHawk,
@AstroHawk@spacey.space avatar

Live video coverage of launch has begun. https://blogs.nasa.gov/commercialcrew/2023/02/26/nasas-spacex-crew-6-mission-coverage-starts-now/

AstroHawk,
@AstroHawk@spacey.space avatar

astronauts left the building and entered the vehicles for the trip to Pad 39A.

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AstroHawk,
@AstroHawk@spacey.space avatar

astronauts left the building and entered the vehicles for the trip to Pad 39A.

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AstroHawk,
@AstroHawk@spacey.space avatar

As pilot (2nd in command) Woody Hoburg @Astro_Woody sat down, the CapCom astronaut in Mission Control told him he was wearing a shirt they had talked about. Good time to mention I wore a SpaceX Dragon t-shirt for the launch.

AstroHawk,
@AstroHawk@spacey.space avatar

Hatch closed for launch.

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AstroHawk,
@AstroHawk@spacey.space avatar

90 minutes to launch /

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AstroHawk,
@AstroHawk@spacey.space avatar

trivia: is the 4th flight for

AstroHawk,
@AstroHawk@spacey.space avatar

posted tonight's launch timeline for launch. If it doesn't launch tonight, the schedule times would be adjusted to match ISS's orbit at the next launch opportunity. https://blogs.nasa.gov/commercialcrew/2023/02/26/a-look-at-key-milestones-for-nasas-spacex-crew-6-launch/

AstroHawk,
@AstroHawk@spacey.space avatar

1 hour to launch /

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AstroHawk,
@AstroHawk@spacey.space avatar

30 minutes to launch, propellant loading in progress /

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AstroHawk,
@AstroHawk@spacey.space avatar

15 minutes to launch /

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AstroHawk,
@AstroHawk@spacey.space avatar

10 minutes to launch /

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AstroHawk,
@AstroHawk@spacey.space avatar

5 minutes, evaluating a propellant loading issue but still "go" /

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AstroHawk,
@AstroHawk@spacey.space avatar

Hold hold hold - TEA-TEB loading issue has scrubbed the launch attempt.

AstroHawk,
@AstroHawk@spacey.space avatar

TEA-TEB (triethylaluminum-triethylborane) is a chemical used for Falcon 9 rocket ignition. An issue loading it was the cause of the scrub. Now off-loading propellants to safe the vehicle. /

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AstroHawk,
@AstroHawk@spacey.space avatar

Until propellants are offloaded, with 30min remaining, the astronauts stay seated in case the escape rockets activate to launch the #CrewDragon a few miles off-shore. They have practiced this. Next launch opportunity 24 hours. / #Crew6 #NASA #SpaceX #Falcon9 #Endeavour #NewSpace

AstroHawk,
@AstroHawk@spacey.space avatar

I've been at #NASA Kennedy Space Center for launch scrubs on Space Shuttle (STS-134 Endeavour) & Falcon 9 (CRS-3 cargo). I've heard some complaints. Remember launches are not for spectators. A safe launch is priority. / #Crew6 #SpaceX #Falcon9 #CrewDragon #Endeavour #NewSpace

AstroHawk,
@AstroHawk@spacey.space avatar

The next launch opportunity is a 24-hour turnaround. But don't expect #NASA to announce the next #Crew6 launch attempt until crews have time to determine what caused tonight's scrub and what it will take to fix. Stay tuned.👀 / #SpaceX #Falcon9 #CrewDragon #Endeavour #NewSpace

AstroHawk,
@AstroHawk@spacey.space avatar

#SpaceX launch commentator reiterated an old #aviation saying, "It's better to be on the ground wishing you were flying, than flying and wishing you were on the ground." Outward appearance indicates healthy risk management. / #Crew5 #NASA #Falcon9 #CrewDragon #Endurance #NewSpace

AstroHawk,
@AstroHawk@spacey.space avatar

"Shortly before liftoff, #SpaceX cancels a crew launch due to igniter issues" by Ars Technica / @sciguyspace - #NASA #Crew6 launch postponed. Maybe 24 hour turnaround if it's a quick fix. https://arstechnica.com/science/2023/02/spacex-scrubs-crew-6-launch-due-to-an-issue-with-its-igniter-fluid/ #Falcon9 #CrewDragon #Endeavour #NewSpace

AstroHawk,
@AstroHawk@spacey.space avatar

"#NASA & #SpaceX Look to March 2 for Next Available #Crew6 Launch Attempt" by @Commercial_Crew - Launch set for Thu March 2 at 00:34 ET (Wed 21:34 for West Coast viewers) for time to fix/test #Falcon9 TEA-TEB fill sensor https://blogs.nasa.gov/commercialcrew/2023/02/27/nasa-spacex-look-to-march-2-for-next-available-crew-6-launch-attempt/ #CrewDragon #Endeavour #NewSpace

AstroHawk,
@AstroHawk@spacey.space avatar

Webcast of tonight's #NASA #SpaceX #Crew6 launch attempt has begun. (It's always an attempt until liftoff.) Instantaneous launch window 00:34 ET Thu Mar 2 (West Coast viewers: 21:34 PT Wed Mar 1) https://blogs.nasa.gov/commercialcrew/2023/03/01/live-broadcast-for-nasas-spacex-crew-6-launch-has-begun-2/ #Falcon9 #CrewDragon #Endeavour #NewSpace

AstroHawk,
@AstroHawk@spacey.space avatar

1 hour 45 minutes to go. Hatch closed. Coming up: arm escape system and begin propellant loading. #Crew6 #NASA #SpaceX #Falcon9 #CrewDragon #Endeavour #NewSpace

AstroHawk,
@AstroHawk@spacey.space avatar

90 minutes... Timeline for tonight's launch, all times US Eastern. No weather issues. No technical issues. 🤞 https://blogs.nasa.gov/crew-6/2023/03/01/a-look-at-key-milestones-for-nasas-spacex-crew-6-launch-2/

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AstroHawk,
@AstroHawk@spacey.space avatar

1 hour to go /

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AstroHawk,
@AstroHawk@spacey.space avatar

Crew access arm retracted. Next up: arm launch escape system and begin propellant loading /

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AstroHawk,
@AstroHawk@spacey.space avatar

10 minutes to launch /

AstroHawk,
@AstroHawk@spacey.space avatar

5 minutes to launch /

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AstroHawk,
@AstroHawk@spacey.space avatar

2 minutes to launch, terminal count, internal power, propellant load complete /

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AstroHawk,
@AstroHawk@spacey.space avatar

Liftoff! /

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AstroHawk,
@AstroHawk@spacey.space avatar

"Max Q" - passed the point of maximum aerodynamic stress, now at supersonic speed /

AstroHawk,
@AstroHawk@spacey.space avatar

1st stage main engine cutoff (MECO), stage separation, 2nd stage ignition /

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AstroHawk,
@AstroHawk@spacey.space avatar

2nd stage and continue climbing toward orbit /

AstroHawk,
@AstroHawk@spacey.space avatar

1st stage entry burn /

AstroHawk,
@AstroHawk@spacey.space avatar

2nd stage engine cutoff (SECO-1), 1st stage landing successful on droneship /

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AstroHawk,
@AstroHawk@spacey.space avatar

At 2nd stage engine cutoff, and crew are now coasting in orbit, Crew Dragon separates from 2nd stage. "Thank you for flying " /

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AstroHawk,
@AstroHawk@spacey.space avatar

Astronauts setting up spacecraft for 25 hours on orbit to rendezvous with space station /

AstroHawk,
@AstroHawk@spacey.space avatar

Nose cone opened on orbit to expose docking adapter after it is no longer needed for aerodynamic cover of the adapter. Nose cone will remain open until before re-entry, planned in 6 months. /

AstroHawk,
@AstroHawk@spacey.space avatar

A fun part of NASA's launch coverage was astronaut USAF Col Raja Chari, who was commander of , got to give his reaction to his first time watching a space rocket launch that he wasn't on board. 😀🚀 /

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AstroHawk,
@AstroHawk@spacey.space avatar

I've seen space launches in person: STS-86, CSXT 2004 (1st amateur uncrewed suborbital spaceflight), SpaceShipOne (all 3 suborbital spaceflights), STS-134, CASSIOPE, CRS-3. I watched online but it's big for me as first launch of anyone I met before they were an astronaut.

AstroHawk,
@AstroHawk@spacey.space avatar

"After flying four astronauts into orbit, SpaceX makes its 101st straight landing" by Ars Technica / @sciguyspace - Quotes from astronauts after reaching orbit, 3 of them their 1st spaceflight. https://arstechnica.com/science/2023/03/on-its-second-attempt-the-crew-6-mission-soared-into-orbit-early-thursday/

AstroHawk,
@AstroHawk@spacey.space avatar

approach to paused at 20m while troubleshooting an issue with latches that will be needed to hard-dock. A software update to override the problem is being uploaded by . https://twitter.com/Space_Station/status/1631533036931104768

AstroHawk,
@AstroHawk@spacey.space avatar

Software issue solved. https://twitter.com/Space_Station/status/1631543816434991105

AstroHawk,
@AstroHawk@spacey.space avatar

"Soft capture confirmed" at /

AstroHawk,
@AstroHawk@spacey.space avatar

Hard (structural) dock confirmed between and . Estimated hatch open around 2:18am US/Central (Houston mission control time) /

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AstroHawk,
@AstroHawk@spacey.space avatar

Hatch open! astronauts are now part of Expedition 68 crew. They will return to being called Crew-6 after undocking, planned in about 6 months. During that time, Endeavour remains their lifeboat in case of emergency. /

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AstroHawk,
@AstroHawk@spacey.space avatar

Welcome ceremony on for arrival of . /

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AstroHawk,
@AstroHawk@spacey.space avatar

The / webcast signed off as @Space_Station crew started a mandatory safety briefing. Quick smiles as booklets were handed to the new crew members.

AstroHawk,
@AstroHawk@spacey.space avatar

That quote from Woody Hoburg @Astro_Woody is more impressive if you know he has degrees in Aerospace & EE/CS. As mission's Pilot he's trained on systems. With his background, he's impressed. We're all impressed. https://twitter.com/arstechnica/status/1632464529325178880

AstroHawk,
@AstroHawk@spacey.space avatar

"Weather Delays ’s Crew-6 Undocking from Station on Saturday" by @NASA / @Commercial_Crew - undocking & return delayed a day due to unfavorable at Florida splashdown sites on Sunday. Splashdown planned early Mon. https://blogs.nasa.gov/commercialcrew/2023/09/01/weather-delays-nasas-spacex-crew-6-undocking-from-station-on-saturday/

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AstroHawk,
@AstroHawk@spacey.space avatar

Welcome back : Stephen Bowen, Woody Hoburg @Astro_Woody, Sultan Al Neyadi, Andrey Fedyaev. "Thank you for flying " from mission control in Hawthorne, California.

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AstroHawk,
@AstroHawk@spacey.space avatar

and recovery crews take control to pull from the Atlantic Ocean off Florida.

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AstroHawk,
@AstroHawk@spacey.space avatar

hoisted from the ocean to recovery ship Megan.

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AstroHawk,
@AstroHawk@spacey.space avatar

Crew egress from marks a successful end to 6-month mission for the 4 astronauts and the ground support staff. Astronauts are routinely given assistance with re-adjustment to 1G force of gravity.

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