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Greetings, I just recently acquired a 10ft (3.048m) Prime Focus Mesh Satellite Dish. It's not in too bad of shape for it's age (probably late 70's or early 80's?) and I still have yet to test the actuator arm or motor. Those aren't too expensive to replace. It currently has a Dual motorized C/Ku Band LNB feedhorn on it, which is in the range of 3.4-4.2 GHz, from my understanding, is almost entirely TV satellites. I'm looking to downlink GOES Satellites to receive full disk images of earth, and it seems I need some type of LNB in the L-band range of 1600-1700MHz (can't remember exact frequency at the moment). I've searched and searched online and it seems that there's not a lot of L band LNB products for prime focus dishes. Most are made with an Off Axis dish, however I've heard of other's using a prime focus dish for this exact purpose. Does anyone have any links to a product page for a receiver/lnb that will work? Or is there a DIY method for making my own? Would greatly appreciate any help! We are planning on mounting it onto a two wheeled vehicle trailer, and repairing the actuator arm and using a positioner system to control the direction of the dish. Thanks!
i have an ancient watec 120n (more about that later) but recently i purchased a ZWO AI120MC. i use a Computar 5 mm f/1.4 lens, sky studio pro software( interfaces with ZWO windows driver, cool!), xvid codec, 4 second integration. no guiding (of course). pointing at a circumpolar point north by north east approximately 45 degrees declination. i have been influenced by security and dash cams capturing, inadvertently, fire balls. why not do it on purpose? i have been for a few years now. sure, i capture meteors but mostly i get jet aircraft, satellites and... i upload videos to my youtube channel. everyone is invited to check them out. i also have orion all in one and an astroscope image intensifier on canon t1i and t3i. it is my opinion that there are more short dim meteors than long bright ones. there are more satellites than meteors and more jet aircraft than satellites. something else...you foe? cloudy nights? check out my star field time lapses. youtube, what can i say? full screen in darkened room, make sure the gear has HD in red, click and select if not. find an intriguing clip? get a youtube down loader for best quality on your local drive. try adjusting play back speeds.
Had a great evening yesterday, imaging and observing. Started with the moon, and later when it got dark enough I thought i'd have a go at trying to image M13 and then M57. I've not tried either before so it was a bit of an experiment and will be interesting to see what comes out of the final stack. Anyway, while the camera was doing its thing I sat back in a comfortable garden chair to watch for meteors, and over the course of a couple of hours saw at least 10 or so. They were mostly Perseids, but as one of the frames for the area around M57 shows a definite trail I thought i'd ask for opinions. So let me know what you think. I do recall seeing one meteor in this general area, but was not looking there all the time and am not sure it comes from the right direction to be a perseid, so perhaps its just a satellite? Image was 15 seconds at 1600 iso with a canon 6d on a bresser 127 L. The image is as it was taken, other than it being a lower res jpeg from the original raw file. Thanks for looking Daniel
This is one of the images I took on Friday night whilst trying to catch a Perseid or two. Think there's at least 10 satellite trails on this 10 second sub which just goes to show how much stuff we've sent up there. Are there any good sources of info on how many satellites are launched each year or how many are up there now?