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130GTX-Mach2 Tracking and resolution tests, Roland Christen

130GTX-Mach2 Tracking and resolution tests

130GTX-Mach2 Tracking and resolution tests, Roland Christen

130GTX-Mach2 Tracking and resolution tests

Description

Optical and mechanical performance tests of the AP130GTX - Mach2 combination

Tracking and resolution of this astro-imaging combination under average to good seeing in Northern Illinois
The images are self explanatory, showing FWHM resolution in both 2 second focus shots and longer exposure shots.

Scope: AP 130 GTX with F6.7 Field Flattener
Mount: AP Mach2 computer mount
Camera: ZWO 6200 MM Pro
Guiding: ZWO Off-axis guider using the 130GTX as the guide scope

Resolution during focus run @ 1 sec Lum exposure:  1.26 arc sec FWHM
Resolution during longer imaging run in average-good seeing;  1.5 - 1.6 arc seconds FWHM
Tracking/guiding accuracy typically less than 0.2 arc sec rms.

Comments

Revisions

  • 130GTX-Mach2 Tracking and resolution tests, Roland Christen
    Original
  • Final
    130GTX-Mach2 Tracking and resolution tests, Roland Christen
    B

Histogram

130GTX-Mach2 Tracking and resolution tests, Roland Christen