OneWeb successfully launches 34 more satellites into orbit

Post by valuearb » Mon, Mar 23, 2020, 12:47 AM UTC

greglindahl wrote: post #40

zaroth wrote: post #29

Earlier quoted context omitted.

The satellite would not be passing through the shot for the entire exposure. If you had software to detect and delete frames with a satellite moving through them, how many frames from a multi-hour exposure would have to be deleted? I assume it can even be done digitally in post-production, but even if you had to actually close the aperture ahead of the satellite crossing through your frame, we know exactly where the…

We studied this technique in the graduate-level observation class I took 30 years ago. It is not trivial for a lot of reasons, especially for modern wide-field telescopes with multiple satellites in the field of view at all times.

Post by ourlordcaffeine » Mon, Mar 23, 2020, 10:59 AM UTC

zaroth wrote: post #29

ourlordcaffeine wrote: post #22

Earlier quoted context omitted.

Looks like you've never done astronomy. A single satellite passing through the shot can saturate the sensor and ruin a multi hour exposure.

The satellite would not be passing through the shot for the entire exposure. If you had software to detect and delete frames with a satellite moving through them, how many frames from a multi-hour exposure would have to be deleted? I assume it can even be done digitally in post-production, but even if you had to actually close the aperture ahead of the satellite crossing through your frame, we know exactly where the…

Post by mrfusion » Mon, Mar 23, 2020, 12:55 PM UTC

aivisol wrote: post #47

mrfusion wrote: post #12

Earlier quoted context omitted.

Spreading FUD. Spacex has the most advanced satellite management and deorbiting systems ever made. Fully approved by the fcc.

Do you have any details about this? As an amateur astronomer I am concerned about increased number of objects in orbit and their eventual fate. How the quality of deorbiting system measured? Have they deorbited any yet and their success rate is higher than others? Also I had no idea FCC approves satellite guidance systems, I thought they mostly supervise radio spectrum.