2019
December Snapshot
Mercury Crosses a Quiet Sun
M27: The Dumbbell Nebula
Electric Night
Spiral Galaxy NGC 6744
Pleiades to Hyades
Lines of Time
Geminid Meteors over Chile
Looking Sideways from the Parker Solar Probe
Starlink Satellite Trails over Brazil
N63A: Supernova Remnant in Visible and X-ray
Decorating the Sky
Full Moon Geminids
Interstellar Comet 2I/Borisov
Mammatus Clouds over Nebraska
The Magnetic Fields of Spiral Galaxy M77
The Horsehead Nebula
A Hotspot Map of Neutron Star J0030's Surface
Apollo 17's Moonship
Late Afternoon on Mars
Solstice to Solstice Solargraph Timelapse
Solstice Illuminated: A Year of Sky
Places for OSIRIS-REx to Touch Asteroid Bennu
A Northern Winter Sky Panorama
An Annular Solar Eclipse over New Mexico
The Northern Winter Hexagon
A Partial Solar Eclipse Sequence Reflected
A Distorted Sunrise Eclipse
Cassini Spacecraft Crosses Saturn's Ring Plane
Messier 20 and 21