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Pint Of Stellar

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Everything posted by Pint Of Stellar

  1. So - according to this wiki page http://en.wikipedia.org/wiki/Flange_focal_distance it looks like the APS-C allows for 44mm of space from the chip to the front of the mount ring - does this then mean that as long as the OAG and T-Ring combo is 12mm we're OK?
  2. Can anybody advise please if it's possible to image with a dslr if an ED80, fitted with the FF/FR, is off axis guided? If so, are there any particular makes to go for/avoid?
  3. Is Bruce Willis on stand-by? Clouds forecast here tonight so might have to resort to the live feed too.
  4. Learning something new every day.

  5. June 7th and 8th http://www.ukastroshow.com/event/the-international-astronomy-show/
  6. Thanks guys (in a non gender specific way ) I am kind of thinking a PC based laptop for the outdoor driving and sub collecting then using the mac (already has CS4 etc loaded) for image processing - in this case what sort of PC laptop would be good enough to do the job as this is all it would be doing?
  7. Would that be to do all the 'processing"? What could I get away with to just power the mount/camera rig if I were to process on the macbook?
  8. "We're sorry but this site is not accessible from the UK as it is part of our international service and is not funded by the licence fee."
  9. Am now wondering if I should budget for a basic windows based laptop for outside use as this seems to open up a wider number of options for camera control too?
  10. and additionally I'll probably be picking up an ED80 too
  11. aha - hadn't thought of that - it will be a Celstron CGEM mount (and a C925 XLT)
  12. If your main use will be night-time high ISO stuff then the 6D wins on the DSO ISO sensor tests from DXOMark http://www.dxomark.com/Cameras/Ratings and some of the AF benefits to a degree would be redundant. You are also less likely to need the weatherproofing aspect of the Mag body etc. The pixel size of the 6D is 6.55 versus 6.25 for the 5DIII. I guess the additional question is what else could you buy with the difference and would it make for a more enjoyable session? (Eyepiece upgrade, canon lens upgrades etc etc etc)
  13. Shortly I'll be picking up my first scope (apologies in advance for the impending clouds ) and will start the AP journey. I'm wondering if my macbook spec is up to the job though for both driving the image capturing and post processing (I have used this laptop with CS4 already loaded for single DSLR image processing) so if someone more knowledgable could check this out and comment that would be appreciated. Cheers Early 2008 Macbook Processor 2.4 GHz Intel Core 2 Duo Memory 4 GB 667 MHz DDR2 SDRAM
  14. Sneak it in to the spare room and if it gets spotted claim you must have bought a pregnant one by mistake originally
  15. ...and the really good news is that most of the things that are up there waiting to be observed are not going anywhere else anytime soon
  16. As long as you get it 'modded' appropriately you can still use it for 'normal' daylight use. http://cheapastrophotography.vpweb.co.uk/Dual-Astro-Daylight-Cameras.html
  17. http://www.firstlightoptics.com/books/making-every-photon-count-steve-richards.html
  18. The book you need Max is Every Photon Counts - it's all in there ;-)
  19. Thanks again - might see if I can either stretch the budget or add to the budget or maybe just wait until the next 10% discount day and get the ED80 and the 190MN and start saving for a CCD camera.
  20. http://www.bbc.co.uk/news/science-environment-26023166
  21. Thanks for the food for thought guys. To add a bit more from my thinking - the reflector and refractor option was for me to have the ED80 for AP and the 250 for visual (mainly) and with the PDS variant, if it were still enough (in terms of wind) it would double up as an secondary/alternative for AP with the prime imaging scope being the ED80. With the 190MN, my thoughts were that the learning curve would be steeper but would be a great compromise single scope doing both tasks (visual and AP) reasonably well.
  22. Firstly the heads up that this will be my first foray into serious kit buying. I appreciate there's no 'scope that will do everything and on balance I think my time is likely to be shared between observing visually and diving in to AP. Primary interest will be on Messier objects etc rather than planets specifically. So, having read Every Photon and done some research I'm now down to what I think might be my shortlist and wonder what the learned folks here think might be the pros and cons of where I'm at. The choice of mount is the NEQ6 Synscan. Choice 1 for OTA is the 190MN and Choice 2 would be an SW Evo 80ED Pro as well as a 250 or 300 P-DS reflector Both of the above work out around the same kind of price. Additional items of course will be for guiding (ST80 plus QHY5), eye pieces etc but I figure (rightly or wrongly) that these additional items are standard irrespective of the choice taken. Camera for AP is a canon 600D Is there any reason one choice would be better than the other and given the context above am I missing anything obvious? (budget approx £3k in total)
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