Thom Pfeil: Comet C/2023 A3 (Tsuchinshan-ATLAS)
Thom Pfeil: Comet C/2023 A3 (Tsuchinshan-ATLAS)
Thom Pfeil: Telescope Hot Day
Thom Pfeil: Tone Curve ImPPG
Thom Pfeil: Virgo Cluster Astrometry Results
Thom Pfeil: Virgo Cluster of Galaxies
Thom Pfeil: The Sun July.01.2024
Thom Pfeil: The Sun June 23, 2024
Thom Pfeil: HyperStar with Filter Slider for Celestron 9.25" SCT
Thom Pfeil: Lunt 80 with DS8300TEC and 2.5X Barlow
Thom Pfeil: FOV comparison SolarCam8 and DS26mTEC
Thom Pfeil: AR3664 Animation 5.14.2024
Thom Pfeil: Sun May 14, 2024
Thom Pfeil: Our Sun on May 14, 2024
Thom Pfeil: Solar Eclipse 2024 from Spicewood, Texas
Thom Pfeil: Solar Eclipse 2024
Thom Pfeil: Solar Eclipse 2024 Baily's Beads
Thom Pfeil: Solar Eclipse 2024
Thom Pfeil: The Lion Nebula SH2-132
Thom Pfeil: Image of the Year 2023
Thom Pfeil: The Lion Nebula SH2-132
Thom Pfeil: New Logo
Thom Pfeil: 2017 Total Solar Eclipse
Thom Pfeil: Annular Eclipse 2nd to 3rd Contact
Thom Pfeil: Annular Eclipse 10.14.2023 with Baily's Beads
Thom Pfeil: Solar Eclipse 10.14.2023
Thom Pfeil: Lunt 80mm Solar hydrogen-alpha telescope
Thom Pfeil: Ring of Fire Eclipse 10.14.2023
Thom Pfeil: NGC6888, SH2-101, & WR 134
Thom Pfeil: Sun Active Region 3417 9/4/2023