可觀 500mm 望遠鏡Ho Koon 500mm telescope

CCT-20 made by DFM Engineering:

Ritchey Chretien Telescope

primary mirror:

500mm F/3 ( made by Zeiss)

effective focal length:

4000mm F/8

spec:

Field: 125mm

with corrector optics

ST8 SBIG CCD 冷凍照相機

piggyback:

7" (178mm) ED APO BMC Meade 折射望遠鏡,

ZWO ASI071 CCD Camera

4" 尋星鏡

Mount:

Equatorial fork type

760mm (30 in) friction drive in RA and 710mm(28 in) friction drive in DEC

ASH-Dome

Telescope Control System:

Skyx 6

2023年 11月4日木星opposition

天文觀測站是建築在一條15m高的三合土鋼筋圓柱墩上，深入地下7.5m，結構上跟大樓獨立，以提供一個非常穩固, 吸震(seismic isolation)地基。

Reference

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