preliminary imaging tests with the Canon 20Da camera

Vulcanoid Imaging Techniques

This evening I performed some very preliminary imaging tests using the Canon EOS 20Da Red/almost-near-IR sensitive camera.  I was using a Canon EF 200mm f/2.8L II USM lens with a B+W 72mm Infracolor Orange-to-IR Filter, a filter blocks light above 520nm and fully lets in light from 600nm well into the near IR (beyond 1000 nm).  Early results were encouraging.

At ISO 200 f/2.8 at 10 second without a clock drive, I was able to image stars to +10.0 magnitude during twilight conditions.  This is good news as one needs to image deeper than 8th magnitude in order to search objects that the SOHO (see i test (see FAQ 3.4) when the same camera setup on a clock driven mount.  I will report on the result of this test when I have selected by clock driven mount.

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