I think it can do 4.5 d/s in BOTH RA and Dec simultaneously, so it could "track" (leap-frog) at a range of 100 km. For orbits close to 100 km height, there would be a black-out period on high-elevation transits, when az-rate exceeds 4.5, and the telescope must swing around to acquire the satellite descending, up to 40 s later on a zenithal pass? What worries me more is the report in May 2000 S&T that the scope doesn't stop at the correct RA/dec ! > ...Also, has anyone done this with the Meade ETX telescope series??? > If you look closely at the specs, I think you will find ETX telescopes cant slew > fast enough to track close passes of the ISS and other objects in > similar or lower orbits. I dont know whether you can use such telescopes > purely manually. ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www.satellite.eu.org/seesat/seesatindex.html
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