Dragon + Falcon 9 visible from Western Europe Saturday

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Discussion Overview

The thread discusses the visibility of the SpaceX Dragon capsule and Falcon 9 rocket during a launch event from Western Europe. Participants share details about the launch timing, visibility conditions, and potential viewing locations, as well as updates on weather conditions affecting visibility.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant notes the planned launch time and visibility conditions for the Dragon capsule and Falcon 9 over Europe, mentioning specific locations where visibility is expected to be good.
  • Another participant updates the thread after the launch is scrubbed due to lightning, indicating a new launch time and suggesting that visibility may improve with the new trajectory.
  • A later post mentions the weather conditions in Florida as promising while expressing concern about cloud cover in Europe potentially obstructing visibility.
  • One participant shares a link to a video showcasing the event, indicating interest in visual documentation of the launch.
  • Another participant describes what can be seen with a telescope during the event, suggesting that future launches may have similar visibility opportunities.

Areas of Agreement / Disagreement

Participants generally agree on the details of the launch and visibility conditions, but there is uncertainty regarding the impact of weather on visibility in Europe. The discussion remains open with updates and new information being shared.

Contextual Notes

Participants express uncertainty about the exact timing and trajectory of the Dragon capsule, noting that the orbital data is a rough estimate and could vary by a few minutes.

Who May Find This Useful

Individuals interested in space launches, astronomy enthusiasts, and those located in Western Europe who wish to observe the event may find this discussion useful.

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A rare event. SpaceX launches a bit after the sun sets in Europe tomorrow, so the Dragon capsule and the upper stage of Falcon 9 will still have some sunlight while they fly over Europe.
In the following days the Dragon will approach the ISS until it docks on Sunday, this might be visible as well but the orbit is not known yet .

When and where: The planned launch time at Kennedy Space Center is June 1, 21:55 UTC, about 21 hours after my post here. Dragon will enter Earth's shadow approximately 22:16 over Sainte-Beuve-en-Rivière (120 km north-west of Paris), it is visible in the minutes before that if you are not too far away. The second stage flies a bit behind Dragon.

Visible from: France, Ireland, most of UK, Belgium, Luxembourg, Netherlands, Switzerland, most of Germany

Maybe visible from: the rest of UK and Germany, northern Spain and Italy, Austria, Denmark, Czech Republic, Slovenia, southern Sweden. In these countries it will be very close to the horizon, a good unobstructed view and low light pollution is important here.

The Dragon should have about 0 to 2 magnitude, that is similar to the brightest stars, but it will move notably in the sky. The second rocket stage should be slighly dimmer, but still clearly visible.

Someone estimated the orbital data and created visualizations how it will look like from different cities:
Dublin (41° max)
London
Lincoln, UK, and Paris (34° max from Lincoln)
Aachen, Germany (32° max)
Copenhagen (9° max)
Trelleborg, Sweden (9° max)

A map indicating the ground path (black) and the highest point in the sky (red circles and lines). The ground path ends where Dragon enters the shadow. 33° makes it very easy to see, 15° needs some thought about the location, 10° needs good viewing conditions.

dragonvisibility.png
Edit: Roughly along the line Dublin - Amsterdam - Dresden, Dragon will transit the Moon. Here is a map

Keep in mind that the the orbit is just a rough estimate - the capsule could arrive 1-2 minutes earlier or later and be a bit lower/higher in the sky than predicted.
 
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The launch was scrubbed, lightning close to the launch site made a launch today impossible.

They will probably try to launch tomorrow on Saturday. The launch will probably be a bit earlier, but with a similar trajectory - it should give an even better visibility as it doesn't go into the shadow so early. For Ireland it could be a bit worse if it is too close to sunset.

Edit: New launch time is Saturday 21:07 UTC, about 50 minutes earlier than before. Dragon should enter the shadow somewhere around Munich.
 
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The weather in Florida looks promising - T-40 minutes, the rocket gets fueled. The weather in Europe, on the other hand...

Edit: Dragon is on its way! But no way to see it if is so cloudy.
 
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That's what you see with a good telescope, great tracking and good weather. Dragon in the center and the ends of the deployed solar panels at the sides.

The August 1 launch has a good chance to have a similar launch time.
 
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