Boyang Liu

Space Force taps 14 firms for $1.8 billion GEO surveillance program spacenews.com/space-force-ta…

Improved thresholds and SSA accuracy can reduce most satellite collision risk spacenews.com/improved-thres…

This morning’s Artemis II: Integrity on its way back home, at the edge of the Milky Way. Crossing the field of view from bottom left to top right. Time-lapse covering the period from 06:25:39 to 07:25:36 UTC on 2026-04-09. Second-to-last day of the mission.

And now for something completely different: a short time-lapse of Starlink G17-35 passing over Switzerland on 2026-04-07, from 19:17:38 to 19:18:31 UTC.

Here is a time lapse showing Orion heading back to Earth earlier today from T32 on @iTelescope_Net in Australia. This time lapse covers 1 hour of time as the Orion capsule Integrity streaks by the background stars.

Here's @NASAArtemis 2 on the way back to Earth this morning, captured using T72, a 20" PlaneWave CDK on the @iTelescope_Net network. My updated orbital elements worked perfectly!

Today’s Artemis II: Integrity on its way back home. Time-lapse covering the period from 06:45:04 to 07:45:00 UTC on 2026-04-08.

Here is a 21 minute time lapse of Artemis 2 heading home earlier today through a 20" telescope in Australia on the @iTelescope_Net network! I used my own determination of its orbit to point the scope, and now I've updated that solution using these new images!

Since the X AI apparently didn't like our first post on the topic today, here's another animation of today's Artemis II flight, exclusively for the X community. The time-lapse covering the period from 09:39:18 to 10:24:34 UTC on 2026-04-07.

the astronomy community is getting FED today

Y aquí termina la historia del cometa C/2026 A1 (MAPS), desintegrándose en su perihelio rozando el Sol. Animación a partir de imágenes del coronógrafo Lasco C2 desde el telescopio solar espacial SOHO el 4 de abril de 2026.

Today’s Artemis II: Integrity on its way to the Moon. Crossing the field of view from the bottom left to the top right. Time-lapse covering the period from 03:34:53 to 06:12:07 UTC on 2026-04-06.

POV: You're flying by the Moon. This visualization is designed to show you what exactly the Artemis II astronauts will see outside their window during their lunar flyby. Here, the seven-hour visualization is compressed into 28 seconds. ⬇ (1/4)

Last night I tracked the @NASAArtemis Orion crew capsule Integrity on its way to the moon after TLI, using my 11" @Celestron NexStar GPS telescope! Tomorrow morning I will be tracking and live streaming it one more time using my independent determination of the orbit!

I observed Artemis II Orion spacecraft using 0.51-m remote telescopes of @iTelescope_Net in Siding Spring Observatory, Australia: On 2026-04-02 from 15:24 to 15:51 UT On 2026-04-03 from 13:07 to 13:20 UT My video: youtube.com/watch?v=WlWTgf… #ArtemisII #spacecraft #Orionspacecraft

@stevenmadow Hi Steven, great photo. Would like to show the photo in a technical review article about Artemis's orbit, with all your credit for the photo shown. Could you please kindly authorize that?

AMAZE AMAZE AMAZE #artemis

I could not see the launch from California so I used the @Skymapperspace network to follow up the Artemis II spacecraft on its way to the moon. What a beautiful moment for humanity to go back to the moon.

And a closer look at Artemis II Orion and ICPS. The animation spans the period from 03:16:18 to 03:27:31 UTC.

A snapshot taken at 04:22:24 UTC shows Orion and ICPS, as well as what appear to be the deployed international CubeSats

Today’s Artemis II: Integrity on its way to the Moon. Time-lapse covering the period from 09:17:45 to 10:01:26 UTC on 2026-04-03.