An intriguing puzzle piece in the story of human migration - www.science.org/content/arti...

We’re now into the encore act for interstellar comet 3I/ATLAS, as it passed perihelion on Oct 29, and is now on its outbound leg out of the solar system. Holding at mag +11, the comet is emerging low in the dawn sky in November, crossing through Virgo into Leo, skimming the ecliptic plane.

The Mauve UV Space Telescope launches on the Transporter-15 rideshare mission this coming Monday - via @us.theconversation.com - www.science.org/content/arti...

The Moon reaches Full today at 13:20UT, and passes its closest perigee for 2025 at 22:30UT (~9 hours later) at 356,832 km UT distant. Yes, this is the ‘Supermoon’ for 2025, though we prefer the term Proxigean Moon. This means that tonight’s rising Full Moon will appear slightly larger, ~33’ across.

That explains why there wasn't a landing this morning...

The nicest Taurid #meteor overnight, from Crestone, Colorado USA #astronomy #astrophotography

Seen over Brazil, on the Insta. Definitely looks like a rocket vent: www.instagram.com/p/DQl_GLgDiu...

Any word on what time Shenzhou-20 is undocking tonight?

One of the simulation exercises made them face a solar storm of extreme magnitude. While we wait for the next launch preparation phase, we encourage you to take a look at the consequences of this nightmare scenario: www.esa.int/Space_Safety... 📷ESA & NASA/Solar Orbiter/EUI Team

Early November is Taurid fireball season, as the Earth makes its biannual encounter with fragments of Comet 2P/Encke. Tonight sees the Southern Taurids peak and do battle with this week’s Full Moon, while the Northern Taurids have a peak centered on November 12th. www.amsmeteors.org/meteor-showe...

Here's an interesting citizen science project, to monitor impact flashes on the Moon during the December Geminids: lif.mi.imati.cnr.it/home_page.ph...

The first crewed mission Expedition 1 arrived at the International Space Station 25 years ago this week on November 2nd, 2000. This marked the start of an unbroken quarter of a century of continuous human presence in space, that remains uninterrupted to this day. en.wikipedia.org/wiki/Expedit...

Another amazing discovery, as gravitational wave astronomy turned 10 this year - via @skyandtelescope.bsky.social - skyandtelescope.org/astronomy-ne...

It’s that time of the year… when I go on my biannual anti-daylight saving time rant. Today is the first Sunday of November, which means that, for much of North America, it’s time to hunt down all non-networked clocks and ‘fall back’ to Standard Time.

Here are more amazing captures of Comet A6 Lemmon - petapixel.com/2025/10/28/c...

Spaceflight for November 2025 2-SpaceX/Falcon-9/Cape/Bandwagon-4 2-ISRO/LVM-3/Satish/CMS-03 2-CASC/Long March-7A/Wenchang/Unk 4-Arianespace/Ariane62/Guiana/Sentinel-1D 5-RocketLab/Electron/Mahia/The Nation God Navigates 5-SpaceX/Falcon-9/Cape/Starlink G6-81 5-ULA/Atlas-5/Cape/ViaSat-3 F2...

Politics puts a South American radio telescope in limbo - via Science.Org - www.science.org/content/arti...

Top Nov Astro Events 1-Comet 3I/ATLAS (dawn) 5-Full Moon, closest 2025 perigee 6-Moon occults M45 13-Moon occults Regulus 17-Moon occults Spica 17-Leonids (-5% Moon, ZHR~10) 20-New Moon, farthestv2025 apogee 21-Moon occults Antares 21-Uranus at opposition 25-Mercury passes 1.0 degree N of Venus

A quick trip through the thermosphere turns newly-discovered asteroid ST25J47 from an Apollo to an Aten. It is no bigger than a meter.

Comet vs. meteor courtesy of Gianluca Masi - www.virtualtelescope.eu/2025/10/26/c... - The video is pretty groovy, too: www.youtube.com/watch?v=HLwg...

There are two bright star lunar occultations coming right up into Halloween Eve: -First up, the +62% illuminated, waxing gibbous Moon occults the +3.6 magnitude star Gamma(γ) Capricorni for the mid-Atlantic, NW Africa, western Europe and the UK at ~21:48 UT;

The Moon tonight from #SantaBarbara at about 54% luminosity. #MoonPhotography #MoonPhotos #MoonShots #Photography

Things are busy in the galactic core - via @skyandtelescope.bsky.social - skyandtelescope.org/astronomy-ne...

Interstellar Comet 3I/ATLAS reaches perihelion 1.36 AU (126.5 million miles) from the Sun today at 11:47 UT. All eyes Earthbound and otherwise have tracked the comet right through perihelion...with no Oberth maneuver noted.

Warmer waters come to the Bering Sea: www.science.org/content/arti...

I tried photos of Lemmon last week, and even in my light polluted skies, through a long telephoto lens, there was *always* a satellite in the field of view. Not like that just a few years ago. Current plans have at least 10 TIMES as many satellites as you seen in this animation by 2035

You might’ve heard the news: SpaceX just passed 10,000 Starlink satellites launched. And that number is already old news, as there’s now a new Starlink batch launched every other day. Here’s what that looks like in a short animation of Comet A6 Lemmon courtesy of Michael Jaeger:

Great. More space junk (and space junk-generating events) - aviationweek.com/space/satell...

Melissa has intensified into a powerful Category 5 hurricane overnight, as it stalls and turns slowly to the northeast. Jamaica, eastern Cuba (including the U.S. base a Guantanamo) and the Bahamas all lie in its destructive path. weather.com/storms/hurri...

Interesting... low relative velocity, 2-meters in size, space junk returning from heliocentric orbit maybe? (it's happened before)

There are two interesting astro-events coming up tomorrow: First up: the 34% illuminated, waxing crescent Moon occults the suspected close double +3.3 magnitude star Tau Sagittarii at around 23:13 UT for the Caribbean and the U.S. SE: www.lunar-occultations.com/iota/bstar/1...

The Universe is a strange place. The XRISM orbiting observatory recently highlighted this fact, when it was turned on a pulsar to document its powerful cosmic winds, and came up with a surprising result. Here’s our post on the find for @universetoday.com - www.universetoday.com/articles/xri...

Tamitha's YouTube link shows and explains the unseen Earth directed CME. youtu.be/-_pYGbD1l00?... "Region 4256... has fired at least one Earth-directed storm on the 23rd. Both NASA and NOAA have modelled the storm and expect a mild impact some time late on the 26th or into the 27th."

Great capture: petapixel.com/2025/10/20/j...

ALTAS has left the FOV of CCOR-1 already but is still being tracked by LASCO C3 and - I think - the PUNCH satellites; its brightness exceeds predictions so more coronagraphs are getting a chance to contribute photometry.

This is cool. While Interstellar Comet 3I/ATLAS is currently 2.35 AU from Earth on the farside of the Sun, it is visible in the CCOR-1 coronagraph aboard NOAA’s GOES-19 satellite. Worachate Boonplod found the +11th magnitude comet in recent images, and traced out its path through CCOR-1’s imager:

The video shows just how quick sprites are - petapixel.com/2025/10/19/p...

Oof... another big farside CME was seen in coronagraphs today indicating even more violent activity from AR 4246 as the region transits the Sun's farside. Just think if the last big one + this CME were directed towrads us... maybe we would be preparing for or even experiencing a G4/G5 storm!

Comet Lemmon - center- on cruise ship Azamara Quest in the Atlantic Ocean

The Moon is busy over the next few evenings. The slender crescent Moon is now generally visible worldwide as a 5% illuminated crescent low to the west at dusk, fresh off of New on October 21st. The Moon pairs with Mars and Mercury, and nearby Comet A6 Lemmon adds a nice touch.

Screen cap while stacking images of Comet A6 Lemmon tonight - #Dwarf3

Waiting for this tech to trickle down to backyard smartscopes - via @universetoday.com - www.universetoday.com/articles/mat...

Landspace recently conducted a hot-fire test of their ZhuQue-3 rocket this week at Jiuquan Space Center. ZhuQue-3 is a 2-stage, liquid methane and liquid oxygen rocket. LandSpace plans for the first inaugural orbital launch for the system towards the end of 2025. www.youtube.com/watch?v=xeXj...

Interesting. Astronomers at Cerro Tololo Observatory in Chile discovered a fast-mover sunward on Sep 27. Named 2025 SC79, this 700-m Atira group asteroid has an orbit interior to the Earth’s and a perihelion interior to Mercury, along with the 3rd shortest orbital period for an asteroid (128 days).

Tonight: Comet C/2025 A6 Lemmon passes its closest to the Earth at 0.596 Astronomical Units (AU, 89 million kilometers) distant, moving at an apparent four degrees a day (that’s eight Full Moons, or the width of a Full Moon every three hours) as it crosses the constellation Boötes the Herdsman.

ESA recently released findings from Swarm, documenting activity in the planet’s magnetic field during its decade+ of operations. One key finding shows the Southern Atlantic Anomaly is expanding in size. Here’s our post on the mission for @universetoday.com - www.universetoday.com/articles/esa...

Today is October 18. On this date in 1902 physicist Pascual Jordan was born. One of the founders of Quantum Mechanics and Quantum Field Theory. Contributed much to the mathematical form of matrix mechanics, and introduced Jordan Algebras.

Jupiter’s moons are busy. The climatic event is underway today, w/Io & Europa both casting shadows, followed by a quick hand off to Europa and Callisto. This just misses qualifying as a triple play by 5 minutes! Extra credit if anyone captured the event by video. www.youtube.com/watch?v=1aGe...

Got 'em... here's Comet R2 SWAN passing the Eagle Nebula Messier 16 tonight - #Dwarf3 #DwarfLabs #smartscope

Today's Sun, shot through the DwarfLab Dwarf3 smartscope - less spotty this afternoon.