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Posted: 6/15/2017 10:44:09 AM EST
[Last Edit: 6/23/2017 1:02:48 PM EST by AmericanPeople]
1) Source

"A SpaceX Falcon 9 rocket will launch the BulgariaSat 1 communications satellite. BulgariaSat 1 will provide direct-to-home television broadcast and data communications services over southeast Europe for Bulsatcom. The payload will be the first geostationary communications satellite owned by a Bulgarian company. The Falcon 9 rocket’s first stage will be a re-flown booster. "

2) Launch window: 2:10 - 4:10 PM EDT (1810 - 2010 GMT)

3) Launch Site: LC-39A, Kennedy Space Center, Florida

4) Webcast viewing options

a. SpaceX webcast

b. You Tube link

5) Launch preparations

a. Test firing of the second previously flown first stage here.

b. SpaceX photo of test firing



BulgariaSat 1



Rocket and payload ready to go.



6) First stage return/disposal

Following stage separation, Falcon 9’s first stage will attempt a landing on the “Of Course I Still Love You” droneship, which
will be stationed in the Atlantic Ocean

7) Mission press kit: Located here

8) Launch to deployment events/timeline (See Mission Press Kit)

First stage landing 8.5 minutes after launch
Link Posted: 6/15/2017 10:47:33 AM EST
I'm seeing it got pushed to the 19th
Link Posted: 6/18/2017 8:17:40 AM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Pavelow16478:
I'm seeing it got pushed to the 19th
View Quote
Thanks. Post updated.
Link Posted: 6/18/2017 3:28:02 PM EST
Link Posted: 6/18/2017 3:30:24 PM EST
Link Posted: 6/18/2017 3:30:49 PM EST
Link Posted: 6/18/2017 3:57:33 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Chokey:
View Quote
Oh my
Link Posted: 6/23/2017 11:02:14 AM EST
Launch is still on for today.
Link Posted: 6/23/2017 11:25:42 AM EST
Thanks AP
Link Posted: 6/23/2017 1:03:37 PM EST
[Last Edit: 6/23/2017 1:04:11 PM EST by AmericanPeople]
New launch time 310 PM EDT
Link Posted: 6/23/2017 1:24:17 PM EST
https://spaceflightnow.com/2017/06/23/bulgariasat-1-mission-status-center/

Text updates of things going on.  Since I can't find a technical broadcast for this launch this is the next best thing.
Link Posted: 6/23/2017 1:36:25 PM EST
Could be in for a bit of a show.
Link Posted: 6/23/2017 1:37:51 PM EST
I'm torn between wanting this to work because we need 'Murican space ships, and wanting Musk to fail big time.


I'll just pretend he is not involved.
Link Posted: 6/23/2017 1:46:18 PM EST


Live stream should be starting momentarily.
Link Posted: 6/23/2017 1:55:03 PM EST
SpaceX webcast is live.
Link Posted: 6/23/2017 1:55:52 PM EST
[Last Edit: 6/23/2017 1:56:07 PM EST by spidey07]
3:10 launch time. T-14 min
Link Posted: 6/23/2017 1:57:28 PM EST
I wish they still did the technical webcast. Really hate the hosted webcast.
Link Posted: 6/23/2017 1:58:05 PM EST
Youtube stream is now live.
Link Posted: 6/23/2017 1:58:12 PM EST
Live now.
Link Posted: 6/23/2017 2:09:18 PM EST
[Last Edit: 6/23/2017 2:09:34 PM EST by irishtech]
1 minute. over under on the booster landing?
Link Posted: 6/23/2017 2:13:07 PM EST
8500 km/h
Link Posted: 6/23/2017 2:15:48 PM EST
Woah! Did I see some space junk below the first stage? It was halfway to reentry burn
Link Posted: 6/23/2017 2:15:54 PM EST
Just in time to see landing!
Link Posted: 6/23/2017 2:15:55 PM EST


I love this
Link Posted: 6/23/2017 2:17:11 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By tnriverluver:
Just in time to sea landing!
View Quote
Fixed
Link Posted: 6/23/2017 2:19:37 PM EST
[Last Edit: 6/23/2017 2:20:12 PM EST by Ciraxis]
did it crash??

nevermind

nicely done!
Link Posted: 6/23/2017 2:19:42 PM EST
nailed it
Link Posted: 6/23/2017 2:20:10 PM EST
Woot Good landing.  Leaning but it's intact.
Link Posted: 6/23/2017 2:20:17 PM EST
Very impressive!
Link Posted: 6/23/2017 2:20:24 PM EST
Leaning a bit like it had a hard landing
Link Posted: 6/23/2017 2:20:44 PM EST
I thought is was in the drink there for a minute!
Link Posted: 6/23/2017 2:20:48 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By spidey07:
Woah! Did I see some space junk below the first stage? It was halfway to reentry burn
View Quote
ice breaking off and floating away.  Normal.
Link Posted: 6/23/2017 2:21:07 PM EST
Why was it only a 3 engine landing? Was that intentional as a test to see if it could be done?
Link Posted: 6/23/2017 2:21:24 PM EST
lol that thing looks beat
the loss of signal is perfect for creating suspense
Link Posted: 6/23/2017 2:21:26 PM EST
Link Posted: 6/23/2017 2:21:42 PM EST
First time a first stage has been recovered in the Pacific and Atlantic.
Link Posted: 6/23/2017 2:21:50 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By 1Andy2:
Why was it only a 3 engine landing? Was that intentional as a test to see if it could be done?
View Quote
Usually, it's a 1 engine landing.
Link Posted: 6/23/2017 2:22:27 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By johnspark:
I thought is was in the drink there for a minute!
View Quote
The worker reaction was concerning for sure.
Link Posted: 6/23/2017 2:22:44 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By 1Andy2:
Why was it only a 3 engine landing? Was that intentional as a test to see if it could be done?
View Quote
Most of the landings are only one engine.  Landings from high energy orbits require three engines typically.
Link Posted: 6/23/2017 2:22:50 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By AZ_Sky:
Usually, it's a 1 engine landing.
View Quote
Huh. The way the announcer was talking, it sounded like the difficulty was increased. Was it coming back from a higher altitude or something?
Link Posted: 6/23/2017 2:23:04 PM EST
For some reason, the webcast kept crashing like every 3-8 seconds on my phone. "Something went wrong, tap to retry."

Kinda saw it go through the app. Walked outside to see if I could see it, but it's too small in the daylight to see anything of it from Jax. At night, no problem. And if it was as big as the shuttle, it wouldn't be a problem in daylight. Oh well.
Link Posted: 6/23/2017 2:23:20 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By 1Andy2:
Why was it only a 3 engine landing? Was that intentional as a test to see if it could be done?
View Quote
The landing burn is usually one engine.
Link Posted: 6/23/2017 2:23:28 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By David45:
lol that thing looks beat
the loss of signal is perfect for creating suspense
View Quote
Wonder if they'll launch this core a third time 
Link Posted: 6/23/2017 2:24:28 PM EST
Screenshot of launch:
Link Posted: 6/23/2017 2:25:30 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By 1Andy2:
Why was it only a 3 engine landing? Was that intentional as a test to see if it could be done?
View Quote
A normal landing only uses 1 engine.  they had to use 3 since it was coming in so fast.  Using 3 means they decelerate faster but also use what little fuel they have left much faster.  So the margin for error is much tighter.
Link Posted: 6/23/2017 2:25:57 PM EST
Anyone know when Block 5 is supposed to fly?
Link Posted: 6/23/2017 2:26:14 PM EST
Amazing! I wonder what the APUC cost was though
Link Posted: 6/23/2017 2:28:10 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Blue_Devil_JD:
Amazing! I wonder what the APUC cost was though
View Quote
Link Posted: 6/23/2017 2:28:14 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Master_of_Orion:
A normal landing only uses 1 engine.  they had to use 3 since it was coming in so fast.  Using 3 means they decelerate faster but also use what little fuel they have left much faster.  So the margin for error is much tighter.
View Quote
Gotcha. Very cool stuff.
Link Posted: 6/23/2017 2:28:58 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Blue_Devil_JD:
Amazing! I wonder what the APUC cost was though
View Quote
lol, plz no. That dude has some serious Musk derangement syndrome.
Link Posted: 6/23/2017 2:31:46 PM EST
[Last Edit: 6/23/2017 2:32:24 PM EST by Armed_Scientist]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Pavelow16478:
Anyone know when Block 5 is supposed to fly?
View Quote
Right now December, would plan on that moving to Q1 '18. It's a pretty significant redesign to enable a much more expedient ground flow. One example is that Block V will not require its legs to be removed for reprocessing. Big push at the moment is getting SLC-40 back in action so that LC-39 can be stood down for modifications for Falcon Heavy.

Did anyone notice the paint burning off the grid fins this flight? That should be the last time that happens.
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