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Found 11 results

  1. I have struck apon a conundrum that affects us in the UK more than most, due to the shortness of our weather windows when doing DSLR AP. I just had my camera in the fridge overnight to create a set of BIAS and DARK frames at 15C sensor temperature. When I am taking 180 sec exposures over say 3hrs, to keep the sensor stable at any given temperature I need to insert delays. I have roughly calculated the deltas based on some timings, I still need to do further testing to refine these. - 30 Sec gives me a delta of + 12C - 45 Sec gives me a delta of + 10C - 60 Sec gives me a delta of + 07C So this beg the question, with our weather limiting the time for exposure, is it better to get a set of images say 60, at a range of temperature (12C - 20C) or less lights say 45 at a stable temperature 12C? I am sure there is some SNR that can help to determine when it is better to just capture lights say 20, whereas if you have the above scenario, it is better to sacrifice some lights for stable temperature and less noise.
  2. I have a Canon 650D and am looking at software to control it and process images. I came across Backyard EOS, has anyone used it? If so what is your opinion?
  3. Does anybody know if the software on the EOS Solutions disk will run under Wine? Looks like they would be quite useful but I do not have a Windows system! I could run Windows under Virtual Box or similar but my laptop isn't really up to spec for that. Alternatively, is there any Linux software that will do a similar job (I use Ubuntu 11.10 and Mint 12)? I had a search through the forum but could not find anything so I am guessing not! Thanks
  4. Is there an adapter which goes from a Mak visual back (SW 150 Mak) to T2 to allow an EOS DSLR with an "EOS to T2 ring" to attach directly, or is it best to get a Mak to 2" adapter (which we have) and just get a 2" nose piece for the EOS ring? I want to keep it all 2" and not 1.25". James
  5. From the album: The Seven Sisters - M45 Pleiades

    Taken at 10C, unguided, but well polar aligned. 120 Second subs @ ISO800 10 min stack.
  6. Hello, i got my Cannon 750D few days, and im thinking of buying some adapters so i can connect it to my telescope. Will a T2/1.25 eyepiece projection adapter and a T2/EOS adapter enable me to connect the 2 together? Also im wondering why a piece of plastic and some metal is so expensive :)))). -Ahgi, Clear skies!
  7. Hiya, a fews odds and ends that I never use: Revelation Astro 2.5x barlow (caps, but no box). Hardly every used: £25 posted (£34 new from Telescope house). – NOW SOLD. Revelation Astro 32mm ep. This was my favourite EP when I had a 5in reflector, doesn't get any use now. Perfect condition (caps, but no box): £20 posted (£28 from Telescope house) - NOW SOLD. Canon EOS camera adaptor and T-ring: £15 posted (UK) = NOW SOLD
  8. Canon EOS 1300D , Comes with lenses 18-55mm and 75-300mm zoom and strap. Also Remote control shutter/intervalometer for creating self portrait or time lapse etc. Non Smoking Household. perfect condition, kept in case when not in use. £300 REDUCED Location Bolton, North West England. Collection or I can do local delivery in person. I would prefer this as postage would be expensive also the risk of damage in transit. If needed then I estimate around £15 due to size and amount of items if sent by courier.
  9. Ok, many of you are probably using the superior BackyardEOS or APT, but maybe the free EOS Camera Movie Record program does have a few users for planetary photography. In any case, I tried it on a Windows Tablet to avoid carrying a laptop and it worked fine, but its buttons were tiny. It is open-source though, so I made the buttons bigger for me and perhaps somebody else might like it that way. If so, you can get it here (I will try to keep it updated as Canon supports newer cameras in their SDK). And when cheap Windows tablets start using something faster than an Atom (and not cost an arm and a leg like Surface et al), perhaps nobody will have to carry a laptop
  10. Hi guys, you've probably hear this before but i have a 250PDS on an NEQ6 and I've been Finder Guiding but now I've brought a SW off-axis guider but for some reason i cant get focus in my EOS 450D. I've wound the mirror up as much as i dare but i still cant seem to gain focus. Does anyone out there use one or do you have any suggestions i could try? Thanks
  11. In preparation for the 1600, I ordered an EOS adapter from FLO, which duly arrived. Having attached it to one of my canon lenses, there appeared to be no way of removing it [There are no instructions included]! There is a small silver screw on the side, which seemed to do nothing no matter how hard I pressed it, or even completely removed it. After an afternoon of emails back and forth with Steve, he came up with the answer. This screw is pushed away from the lens (acting like a small lever rather than a button) to release the lens. Great support from FLO, and am posting in case anyone runs into similar problems - even though, the fact that Steve had apparently not encountered this query from customers before, presumably means this will be of benefit only to those as extraordinarily-mechanically-inept as I am!. Thanks.
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