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pwalsh61

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About pwalsh61

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    http://worcspaul.wordpress.com

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    Worcestershire

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  1. Is there anything the epoxy wont stick to? I thought maybe if you made a frame of metal or plastic (printed, perhaps?) slightly smaller than the sensor and coated with something to prevent the resin sticking to it, it could be placed on the sensor to prevent the resin getting where it shouldn't. If it _did_ happen to get stuck in place it would have the added benefit of giving you an edge to work up to when debayering. Sent from my Nexus 10 using Tapatalk
  2. I hadn't thought of that. To be honest, I haven't really looked at the spec of the 1200D. Happy (for now) with my two 1000Ds. I might get a clip-in Ha filter one day but haven't decided what direction I might go in with regards to more advanced imaging. Getting back on topic, how thick is the adhesive holding the glass in place? Could a razor saw be used, or a circular saw blade on a dremel be used? To dry the air when putting glass back in place, could you set up something where you pass the air over a condenser (at a suitably low temperature) to remove moisture from the air, in much the same
  3. (Mischievously) I wonder how much more difficult removing the glass from a 1200D will prove to be? ;-) (Not that I'm ever going to attempt this mod on anything!) Sent from my Nexus 10 using Tapatalk
  4. Almost from the horses mouth. The BBC don't seem to have the nerve to announce it themselves, so get an astronomer to do it for them (plausible deniability, perhaps?): "Message from Nick Howes about The Sky at Night I have been told officially by a BBC insider that the Sky at Night will be airing for the final time this December. After a 56 year run, the show will be ending then, with no plan to re-commission it after that date. I have also been given permission by the said BBC person to mention this on a public forum, after speaking to them twice in the last week to discuss and confirm the
  5. Welcome to the world of AT Gina. I think you'll find you're in for a treat! :-) It makes life so much easier! Sent from my GT-I9100P using Tapatalk 2
  6. D'Oh! What a numpty I am! I'd forgotten that pots have a limited travel so I won't be able to do what I'd hoped to with one. Looks like I need a rotary encoder or something - preferably without any detentes as I'd rather have a smooth control. The general idea being to translate clockwise/counter-clockwise motion of a rotary control to forward/reverse motion of a motor connected to the focuser. Back to drawing board for me!
  7. Well I'm now the proud owner of an Arduino Uno Just gotta get a few bits 'n pieces together and let the fun begin!
  8. I'm pondering on some form of motor control for the crayford on my WO Meg72, possibly Arduino controlled. Apart from getting all the bits together there's a question of whether to use buttons for forward/reverse, or a potentiometer in a similar manner to here: As I'd prefer not to modify the focuser itself, I'm thinking of taking a leaf out of Gina's book and using a timing belt over the focuser (though I haven't decided whether to use the coarse or fine control - probably the latter). To my mind it seems more intuitive to have a knob to turn back/forth. However, that could be bothersome w
  9. Just as a matter of interest, is China the only place such units can be obtained from? Isn't it a false economy to buy multiple units (expecting failures) than to buy a single, more expensive unit that might last a lot longer/be of higher quality?
  10. Also, a holdall would need to have some very secure handles/stitching - you don't want a battery dropping on your foot!
  11. I'm wondering if the Raspberry Pi camera module currently in development might be of use? I guess a lot will depend on drivers/software and whether open-phd/INDI canwork with the module
  12. As I see it, with Sir Patrick's health failing over recent months his role became more of a link between items presented by the others, in a way preparing us for what's happened. I see the programme continuing with either Chris or Pete being lead presenter or alternating each month. Any change to the format of the programme would, IMHO, be disastrous and would kill it off. Sent from my GT-I9100P using Tapatalk 2
  13. That could be a bit difficult seeing as she died from cancer in 2009. Sent from my GT-I9100P using Tapatalk 2
  14. About £22 for the box and £40-£50 for the bits (excluding battery). Would probably have been less if I'd sourced things like wire, fusebox, connectors from somewhere other than halfords I had a 4hr session on Saturday and ran my EQ5, DSLR and laptop off the battery with no ill effect on the mount. Am contemplating modifying a uniross adapter to provide a bit more voltage to the mount just on case. Sent from my GT-I9100P using Tapatalk 2
  15. Hmm! Link didn't come out as I'd hoped. Here it is: http://www.align-trex.co.uk/super-lube-synthetic-grease-with-ptfe-12g-tube-p-805.html Sent from my GT-I9100P using Tapatalk 2
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