Characterization of Do-It-Yourself (DIY) Ultra Compact ITERA Robotic Telescope (UTOPIA-Scope) Mounting

Authors

  • Renza Alvionzo Barends Department of Atmospheric and Planetary Sciences, Sumatera Institute of Technology
  • Hendra Agus Prastyo Department of Atmospheric and Planetary Sciences, Sumatera Institute of Technology
  • Achmad Zainur Rozzykin Department of Atmospheric and Planetary Sciences, Sumatera Institute of Technology
  • Alka Budi Wahidin Department of Atmospheric and Planetary Sciences, Sumatera Institute of Technology
  • Ridlo Wahyudi Wibowo Department of Atmospheric and Planetary Sciences, Sumatera Institute of Technology
  • Aditya Abdilah Yusuf ITERA Lampung Astronomical Observatory
  • Adhitya Oktaviandra ITERA Lampung Astronomical Observatory, Sumatera Institute of Technology

DOI:

https://doi.org/10.55981/ijoa.2025.4098

Keywords:

3D printer, DIY telescope, instrument characterization, robotic telescope, UTOPIA-Scope

Abstract

Low-cost and locally fabricated robotic telescope systems are increasingly important for education, amateur astronomy, and basic scientific observation. This paper presents the characterization of the UTOPIA-Scope, a do-it-yourself (DIY) alt-azimuth robotic telescope mount developed using extruded aluminum structures and 3D-printed strain-wave gears. The performance of the mount was evaluated through pointing and tracking tests using an alt-azimuth grid and selected equatorial stars. Image center coordinates were obtained using plate-solving techniques and analyzed with descriptive statistical methods. The results show average pointing errors of 1.600° ± 0.123° in azimuth, 0.415° ± 0.048° in altitude, and 0.451° ± 0.106° in equatorial pointing, corresponding to approximately 96′, 25′, and 27′, respectively. Tracking tests indicate drift rates of 22–36 arcsec per minute, depending on the observed sky region. These results provide a quantitative baseline for the performance of the UTOPIA-Scope mount and serve as a reference for further mechanical and control-system improvements toward future scientific applications.

References

Bely, P.-Y. (2003, January). The Design and Construction of Large Optical Telescopes. Springer

International Publishing. doi:10.1007/b97612

Berg, S. (n.d.). Introduction - Nighttime Imaging ‘N’ Astronomy. Introduction - Nighttime Imaging

‘N’ Astronomy. Retrieved May 14, 2023, from https://nighttime-imaging.eu/docs/

master/site/#about-nina

Cassar, G., Costes, V., & Escarrat, L. (2017, November). Optical design of a compact telescope

for the next generation Earth observation system. 41-41. doi:10.1117/12.2309055

Castro-Tirado, A. J. (2010, January). Robotic Autonomous Observatories: A Historical Perspective.

(L. Hanlon, Ed.) Advances in Astronomy, 2010. doi:10.1155/2010/570489

Dimple, S, K. T., Omar, A., & Misra, K. (2023, January). Characterization of a deep-depletion 4K

x 4K CCD Detector System designed for ADFOSC. arXiv (Cornell University). doi:10.48550/

arxiv.2301.08746

Han, K. (n.d.). ASTAP, Astrometric Stacking Program. ASTAP, Astrometric Stacking Program.

Retrieved May 14, 2023, from https://www.hnsky.org/astap.htm#index

Lynch, K. M., Marchuk, N., & Elwin, M. L. (2016). Gearing and Motor Sizing. Embedded

Computing and Mechatronics with the PIC32, 427-437. doi:10.1016/b978-0-12-420165-

1.00026-3

Price-Whelan, A. M., Lim, P. L., Earl, N., Starkman, N., Bradley, L., Shupe, D. L., . . . Zonca,

A. (2022, August). The Astropy Project: Sustaining and Growing a Community-oriented

125

Indonesian Journal of Aerospace Vol. 32 No. 2 December 2025 : pp 117–126 (Barends et al.)

Open-source Project and the Latest Major Release (v5.0) of the Core Package*. The

Astrophysical Journal, 935, 167. doi:10.3847/1538-4357/ac7c74

Quesada, R. M., Domínguez, A. M., Martinell, O. C., Ruiz, J. S., & Fernández, D. (2022,

January). 3D printed telescopes: an interesting tool for teaching Astronomy, Science and

Technology. UPCommons institutional repository (Universitat Politècnica de Catalunya).

doi:10.5821/conference-9788419184405.104

Roulet, M., Atkins, C., Hugot, E., Lemared, S., Lombardo, S., & Ferrari, M. (2018, May). 3D

printing for astronomical mirrors. arXiv (Cornell University). doi:10.1117/12.2306836

Skoog, D. A. (2014). Fundamentals of analytical chemistry (9 ed.). Brooks /Cole, Cengage

Learning.

Thingiverse.com. (n.d.). 3D printed harmonic drive by ymtlab. 3D printed harmonic drive by

ymtlab. Retrieved February 27, 2023, from https://www.thingiverse.com/thing:4505585

Wiki Onstep. (n.d.). Onstep. Onstep. Retrieved February 27, 2022, from https://onstep.groups.

io/g/main/wiki

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Published

05-05-2026

How to Cite

Barends, R. A., Prastyo, H. A., Rozzykin, A. Z., Wahidin, A. B., Wibowo, R. W., Yusuf, A. A., & Oktaviandra, A. (2026). Characterization of Do-It-Yourself (DIY) Ultra Compact ITERA Robotic Telescope (UTOPIA-Scope) Mounting. Indonesian Journal of Aerospace, 23(2), 117–126. https://doi.org/10.55981/ijoa.2025.4098

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