Assembled a small mobile setup for a trip to SAO based on the Samyang 135mm f/2.0 ED UMC lens, ZWO ASI676MC camera, and Sky-Watcher AZ-GTe mount. Took a lightweight tripod, hung a brick from the hook at the bottom so it wouldn't blow over. Guide 30 with 7TC camera Everything was controlled from a laptop. Focused manually; for such a small setup, I don't see the point in buying an electronic focuser. Set the focus once and it lasted all night. Installed a diaphragm in front of the lens, resulting in a relative aperture of about 3.0; with the aperture wide open, there are too large blue halos and sharpness drops. Field of view 3x3 degrees. Total weight around 5 kg (carried with one hand), maybe even less, didn't weigh it. Flew by plane to Mineralnye Vody, from there spent 3 days in Pyatigorsk, at the springs, then rented a car and spent 4 days at SAO RAS, Hotel Andromeda.
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