Click for the time-lapse view of Callisto's transit on YouTube. Be sure to watch it at high resolution and full-screen.
The decision to try and get a time-lapse view of the transit was a spur-of-the-moment one so I rushed to assemble the setup and begin shooting for fear of losing the window of decent seeing.
I ended up staying with the 6" AstroPhysics refractor and extending the focal length to ~4000mm by use of a 2x barlow (Televue) and 2x teleconverter adapter for my Nikon D600. The time-lapse covers a little more than 2-1/2 hours and goes to the end of the transit. The resulting view is a crop of the full frame.
- Camera: Nikon D600
- Scope: AstroPhysics AP155 f/7 with 2x Televue Big Barlow + Nikon 2x teleconverter
- Exposure: 1/160 sec. @ ISO 1600, 15 sec. interval
- Mount: Losmandy Titan
- Guider: none