Takahashi EM-200 and TSA-102 Test

The tracking performance of the EM-200 was tested with the TSA-102 on April 22, 2011 after a series of tests with an EM-11 had shown it to be an inadequate mount. The EM-200 solved all tracking problems previously encountered with the light weight EM-11.

Takahashi TSA-102 on EM-200 with Vixen 70s guidescope
and SBIG ST-10XME camera

Object: Leo Triplet - M65, M66, NGC 3628
Equipment: Takahashi TSA-102 with TOA-35 flattener on Takahashi EM-200 mount with Vixen 70s guidescope;
Exposure/Processing: 30 minutes RGB each (300S exposures);
70 minutes L (300s exposures). Processed Maxim DL and Photoshop.
Location/Date: Gainesville, Florida / April 22, 2011
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MaxIm DL Tracking Error Graph from the SBIG ST-10XME remote guiding head
through the Vixen guidescope at 420mm.
Tracking was stable for more than 1.5 hours.

EM-11 / TSA-100 Test Page