Implementation of control algorithm for optical tracking system in Meade LX200-ACF telescope

Serra, Mariano; Curetti, María; Bravo, Santiago Garcia; Mathé, Ladislao

doi:10.23919/rpic.2017.8214310

Cited by 1 publication

(1 citation statement)

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“…The images can be further enhanced using image processing techniques [4,5]. Controlled mechanical orientation operated with motors provide additional features to telescopes such as tracking system [6] and point-and-aim systems [7]. Most of the recent observatories use a mechanical orientation control done by motors and are referred to as robotic telescope [8].…”

Section: Introductionmentioning

confidence: 99%

Remotely-Controlled Low-Cost Digital Telescope

Robin¹,

Shukla²,

Jolivot³

2019

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This paper presents a low-cost web controlled digital telescope which can benefit educational institutions. The system is composed of two webcams to acquire data. One is used as a wide field of view for localization purpose and the second one is used as a narrow field of view using a 40 cm focal length lens and an achromatic doublet to visualize celestial objects. The telescope orientation is performed remotely using two motors through Internet with an in-house developed software running on a Raspberry Pi 3 device. Message Queue Telemetry Transport (MQTT) based server is used to provide a full wireless communication between the user and the telescope for orientation control, data visualization and acquisition. The telescope structure is built using a 3D-printer. An image processing algorithm is presented to calibrate mounting camera misalignment. The overlapping calibration is performed to localize the telescope image onto the large field-of-view image. It is based on Fourier domain cross-correlation technique.

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