Thursday 14 May 2020

Testing AstroDMx Capture for Windows on the 12.8% crescent Venus

Testing AstroDMx Capture for Windows


A Skymax 127 Maksutov was mounted on a Celestron AVX mount. A ZWO ASI178MC camera fitted with a 2.5x Barlow was placed at the Cassegrain focus of the Maksutov.

AstroDMx Capture for Windows was running on a Lenovo ThinkPad X230. A 30,000-frame SER file of Venus was captured with a region of interest of 800 x 608 at 166 fps. To ensure the fastest possible frame-rate, AstroDMx Capture was set to fully debayer the screen display, but the capture an undebayered SER file. As Autostakkert! can debayer the SER file when stacking, it makes no sense to capture RGB frames, which will be 3 times the size for saving, and therefore can slow down the capture process. The colour information is encoded in the RAW frames of the SER file.

Screenshot of AstroDMx Capture for Windows capturing data on Venus.

The best 1% of the frames in the file were stacked in Autostakkert! 3.1 with RGB channel alignment. The final image was wavelet processed in Registax 6 and post processed in the Gimp 2.10.

12.8% crescent Venus

The pre-release AstroDMx Capture for Windows is at about the same stage of development as the macOS version. When we consider them to  be ready, we hope to release them at about the same time.