updating software edition

WHEN: 10:30 PM EDT May 23 / 2:30 UTC May 24 — 12:00 AM May 24 / 4:00 UTC [~23 bongs from this post]
STREAM: https://www.spacex.com/webcast & https://www.youtube.com/watch?v=AfbIMknNWks
Probability of weather delay: 10% (https://www.patrick.af.mil/Portals/14/Weather/L-1%20Forecast%2023%20May%20Launch.pdf?ver=2019-05-22-121412-853)
Backup launch date: May 24 10:30 PM EDT / 2:30 UTC May 25 — 12:00 AM May 25 / 4:00 UTC

~ Primary Mission ~
Launch site: SLC-40, Cape Canaveral Air Force Station, Florida (East Coast)
Booster number & previous flights: B1049.3 [Telstar 18] [Iridium 8]
Payload: 60 production Starlink satellites (without intersat laser links)
Payload mass & destination orbit: >13,620kg, 440km (satellites will raise to 550km after deployment)
SpaceX press kit: https://www.spacex.com/sites/spacex/files/starlink_mission_press_kit.pdf
Payload information:
>https://www.nasaspaceflight.com/2019/05/first-starlink-mission-heaviest-payload-launch-spacex/
>https://space.skyrocket.de/doc_sdat/starlink-v0-9.htm
>https://spectrum.ieee.org/tech-talk/aerospace/satellites/spacex-claims-to-have-redesigned-its-starlink-satellites-to-eliminate-casualty-risks
>https://hackaday.com/2019/05/20/everything-we-know-about-spacexs-starlink-network/
>https://en.wikipedia.org/wiki/Starlink_(satellite_constellation)

~ Secondary Missions ~
First stage landing: Yes, on autonomous droneship Of Course I Still Love You

Stay in the loop:
https://twitter.com/SpaceX
https://twitter.com/elonmusk
https://www.flickr.com/photos/spacex/
https://www.spacex.com

Stats:
This will be the 40th landed first stage, 21st reflown booster, and the 71st Falcon 9 launch. It is the 6th SpaceX launch of 2019.