• Saturn and Titan Shadow Transit
    • Saturn
    Annotated image
  • August 19, 2025, Saturn's rings are nearly edge-on
  • but this year Titan produces shadow transits.
  • The moons, moving counterclockwise, are
  • Titan, Dione, Enceladas, and Tethys.
  • Mimas is lost in the rings.
  • Hover over the picture for an annotated version.
  • Date:  19 August 2025
  • FOV:  approximately 63" × 42", Saturn is about 40" (including the rings)
  • Telescope:  Celestron C14 SCT (3910mm, f/11)
  • Guiding:  tracking only
  • Mount:  German Equitorial
  • Camera:  ZWO ASI462MC Color CMOS Planetary
  • Filter:  none
  • Stacking:  two hundred video frames in AutoStakkert!
  • Calibration frames:  none
  • Processing:  Registax 6:  linear wavelets, linked
  • Pixinsight:  BlurXT, MultilinearTransform, DynCrop
  • StarXT → Moons, GHS, BlurXT,
  • PixelMath ScreenBlend, Scale
  • Location:  Darling Hill Observatory near Vesper, NY