ESBO

Balloon-based observatory under construction

[KSat Stuttgart @KSat_Stuttgart]

We made a control system for #BUBBLE! With a little CubeSat-reaction wheel from @JMUSpace, we're trying to stabilise and steer our balloon gondola in the stratosphere. Watch the full video now! https://t.co/MbSd4ZLPt5

PS: We promise it's not a spy balloon. 😉

[ESBO @ESBO_DS]

@KSat_Stuttgart Tracking link: https://t.co/aDNAyYah64

[KSat Stuttgart @KSat_Stuttgart]

The balloon is filling up nicely, but some trouble with the payload is delaying the launch. We're currently looking to launch in the early afternoon.

[KSat Stuttgart @KSat_Stuttgart]

It's launch day! The #BUBBLE team is in the workshop and our payload partner from the Institute of Photovoltaics (ipv) @Uni_Stuttgart is making final tweaks to the innovative perovskite solar cells they will test on this flight. Stay tuned for updates throughout the day!

[ESBO @ESBO_DS]

It appears the BUBBLE 4 balloon did not burst, but started to lead at an altitude of approx 32 km. Sinking only slowly, it seems this will be a longer flight than expected!

[ESBO @ESBO_DS]

Tracking link for BUBBLE 4: https://t.co/jJnmxJpvZc*;
@KSat_Stuttgart

[ESBO @ESBO_DS]

BUBBLE 4 getting ready for launch! @KSat_Stuttgart

[ESBO @ESBO_DS]

Check out this great introductory video to balloon astronomy and what we are doing! (in Spanish, we really don't recommend the CC auto-translate...)
https://t.co/p18gZjbjRF

[Uni Stuttgart IRS @UniStuttgartIRS]

Happy 4th birthday @Flying_Laptop ! We wish you the best for your next 21760 orbits and hope you will continue your successful mission!

[ESBO @ESBO_DS]

@KSat_Stuttgart Congratulations! Where did it land? Looks like pretty much on open gras?

[KSat Stuttgart @KSat_Stuttgart]

Successful recovery! Congratulations to the #BUBBLE team!

[KSat Stuttgart @KSat_Stuttgart]

#BUBBLE2 is on the ground and has been spotted by the recovery teams!

[ESBO @ESBO_DS]

Expected landing site is somewhere near Kraichtal in Southern Germany @KSat_Stuttgart

[ESBO @ESBO_DS]

The balloon of #BUBBLE2 just burst! And the gondola is coming down quickly!

[KSat Stuttgart @KSat_Stuttgart]

Follow the flight and chase live on https://t.co/eoa6918vrf.

[KSat Stuttgart @KSat_Stuttgart]

LIFTOFF for #BUBBLE2

[ESBO @ESBO_DS]

And the balloon is growing! #BUBBLE2 @KSat_Stuttgart

[ESBO @ESBO_DS]

Balloon filling commenced! #BUBBLE2

[ESBO @ESBO_DS]

Gondola assembly almost complete

[ESBO @ESBO_DS]

Final system checks for #BUBBLE2 @KSat_Stuttgart