Great Sun-Dogs and most of a Sun Halo over Washington DC today.

Apparently also a circumzenithal arc, which I did not get to see -- brilliant photos here!

This. Is. AWESOME. A resource for people who know women interested in careers in astronomy. I've had the great honor of having many of the authors in my group as part of their journey. So proud of all of them! Please circulate widely! arxiv.org/abs/2312.04041

It's happened! LISA Mission has been formally adopted by ESA! This has been a day DECADES in the making. Congratulations to all my colleagues and friends who have been on this journey with us! Onward! esa.int/Science_Explor…

NASA's announcement of todays news as well. science.nasa.gov/gravitational-…

Happy #LeapDay everyone! we had a lot of fun making this!

Where are YOU going to stand in the shadow of the Moon? Helping folks think about eclipses tonight at Warrenville Library #Eclipse2024

No plastic name tag sleeves at April APS Meeting Not ordinary paper, so not sure how degradable the tag is, but I like the direction this is going Nice, American Physical Society !

Giving the public lecture tonight at the April American Physical Society meeting: all about gravitational wave astronomy with LISA. LISA Mission

A bit of science writing about our eclipse experience. wp.me/p19G0g-WL

Hey Chicagoland! Public talk for the Northwest Suburban Astronomers (Northwest Suburban Astronomers) this Friday night -- all about QUASARS. nsaclub.org/event-calendar…

At Evergreen Aviation & Space Museum with Carlton Observatory. Talking solar system this afternoon and Pluto and Exoplanets tonight!

Solar prominence in H-alpha (red hydrogen light) this morning. Coronado PST scope, iPhone handheld at eyepiece.

Off to #CelestialBash2024 at AdlerPlanet !

Crescent Moon over Adler and Chicagoland tonight! #celestialbash2024 AdlerPlanet

Moon over O'Hare tonight. O'Hare Intl. Airport

Sunset looking the other way at O'hare! O'Hare Intl. Airport

Comet Tsuchinshan-ATLAS could put on a show in the enxt week, visible shortly after sunset starting on Oct 12. It seems like this instructables I wrote a while back could be useful for some of y'all! instructables.com/Photographing-…

Moving over to threads -- I'm "jediscience" over there. Will also see about bluesky. Be safe everyone.

also on bluesky, with this handle.