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Space-SI Releases Their First Multi-Spectral Image From The SFL-Built NEMO-HD Smallsat

March 1, 2021

Space-SI’s NEMO-HD EO smallsat.

Space-SI, the Slovenian Centre of Excellence for Space Sciences and Technologies, recently released the first multi-spectral image captured by the company’s NEMO-HD Earth Observation (EO) smallsat, just 16 days after launch. Built by Space Flight Laboratory (SFL) in collaboration with SPACE-SI, NEMO-HD is Slovenia’s first smallsat carrying a multi-spectral high-definition Earth observation instrument.

The Slovenia satellite was built on SFL’s NAUTILUS smallsat bus, which is an augmentation of SFL’s NEMO bus that has been used for numerous, successful, microspace missions. With a mass of only 65 kg, and dimensions of 60x60x30 centimeters, NEMO-HD captures multi-pectral (RGB/NIR) images that can be sharpened by a panchromatic channel to 2.8-meter resolution.

Multispectral image captured over Slovenia during commissioning phase of NEMO-HD which was launched September 2, 2020.

The satellite also collects high-definition video at 25 frames per second. The main instrument can be operated in real-time imaging mode, allowing an operator at mission control on the ground to view the video feed as it is captured. If an event or feature of interest is spotted, a command can be sent to the satellite to collect a still image of the area.

Imagery and video data acquired by NEMO-HD will be used to monitor agriculture, forestry, urban development, and marine transport, according to Space-SI. NEMO-HD acquired its first historic multi-spectral image over Eastern Slovenia on September 18, 2020.

“SFL congratulates Slovenia on this auspicious first step toward building a robust national space program,” said SFL Director, Dr. Robert E. Zee. “NEMO-HD represents a breakthrough in next-generation, compact microsatellite missions, and pushes the envelope of what can be accomplished by a small microsatellite in Earth Observation. SFL’s ability to develop compact spacecraft with space-proven attitude control and precise pointing technologies at relatively low cost was a major factor in delivering a successful NEMO-HD satellite. These are critical technical requirements for successful collection of high-quality Earth observation data with microspace platforms.”

“NEMO-HD is enabling a new Earth observation concept by combining multi-spectral and video imaging from space. This can be controlled interactively in real time if needed when NEMO-HD is flying in the range of a ground station,” said Prof. Tomaž Rodič, CEO of SPACE- SI. “With NEMO-HD successfully in orbit, we have achieved a very innovative and cost-effective remote sensing system which combines the agile microsatellite with our transportable ground station system, STREAM, and the advanced EO data processing chain, STORM.”

Filed Under: Earth Observation (EO), Imaging, SmallSat

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