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secondary mirror unit for Explore Scientific 20" Dobsonian
Measures the brightness of the night sky in magnitudes per square arcsecond
Measures the brightness of the night sky in magnitudes per square arcsecond
An ethernet-enabled SQM model for night-time sky brightness monitoring in magnitudes per square arcsecond
A RS232 SQM model for night-time sky brightness monitoring in magnitudes per square arcsecond
A USB SQM model for autonomous night-time sky brightness monitoring in magnitudes per square arcsecond
Safe protection for the Skymax 150 during transport
Practical and lightweight 90 mm Magnifier with Illumination.
Skywatcher Replacement Part - 12V Power Cable for EQ8 Mount..
Skywatcher Replacement Part - 12V Power Cable for AZ-EQ6 Mount..
This cable is needed to connect the SynScan AZ Goto handset to the mount