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Mark McCaughrean

@markmccaughrean

My talk on space astronomy & the impact of megaconstellations at #EASLeiden2020 today was recorded & it'll be best to hear the narration to make full sense of it. In lieu of having the recording to hand yet though, here at least are my slides to get some idea 🤷‍♂️

Thread: 1/

Title slide: Space astronomy & the impact of megaconstellati

Stock illustration of a low-Earth orbit network

Timelapse photo showing a train of Starlink satellites passi

Field-of-view of DECam on CTIO 4-m with trails due to the pa

Slides from talk on space astronomy & the impact of megaconstellations for #EASLeiden2020.

cont.

2/

A Starlink satellite train seen from the International Space

First launch of the Iridium telecomms constellation in 1997

An Iridium flare, with sunlight reflecting specularly off on

A flare from the ESA/EUMETSAT MetOp-A meteorological satelli

Slides from my talk on space astronomy & the impact of megaconstellations for #EASLeiden2020.

cont.

3/

Three Iridium flares in one image incl Iridium 33, then anot

Artist impression of the Russian military satellite Kosmos-2

Point of collision between Iridium 33 & Kosmos-2251 & immedi

Diagrams showing the spread in apogee & perigee of debris fr

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