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Found 10 results

  1. I have been thinking for a while the best way to attach my smartphone to my Dob to make it easier to find objects in the night sky. I have used printed skymaps before but I sometimes just prefer to use the skyeye app. First I ordered a cheap plastic case from eBay. This was for my old Samsung S3 that I no longer use. I also recently added a Telrad so was able to borrow some parts from the original finderscope (I am using the small bracket that attaches to the OTA). Next I cut down a cheap plastic shelf bracket that I bought from IKEA (50p) and this slipped into the finderscope bracket nicely. Glue gun was then used to attach an old furniture foot bracket to the phone case and I widened the hole in the bracket to accept the thicker thread. 15mm nut tightened it all together. I deliberately attached the phone in a manner that I could rotate it into portrait or landscape mode to suit. It is also far enough down the tube that I won't knock it with my head when using the Telrad. I have only used sticky pads at the moment to attach to the OTA until I am happy with the position, then a few nuts and bolts will finish the installation. Total cost (excluding phone) is about £3. Looking forward to seeing how it works now. Hopefully this helps anyone else thinking along the same lines. Regards, Mark
  2. Hi, Bought celestron astromaster 13eq b4 2 days this is my first ever telescope..today for nearly 2 hrs i tried to point to the mars..but i couldn't point..i can see with naked eyes but could not find in telescope..it was very frustrating with eye pain,head pain...can u tell how to locate a star or anything with the s/w..what the numbers are in the eq mount??how to use the s/w and point to that particular object with those numbers??? please help..i saw only moon clearly... Thanks...
  3. Hello guys, I'm on the look out for a Altair 60mm Straight Through Illuminated Finder Scope Kit 2" Focuser With Bracket & Base to use for auto guiding. I have been trying to get hold of one for a while but they seem to be out of stock everywhere! Here is a link to the item on Rother Valley Optics that I'm after: http://www.rothervalleyoptics.co.uk/altair-10-x-60mm-straight-through-illuminated-finder-scope-kit-2-focuser-with-bracket-base.html There is currently a wait of a few weeks (possibly) for stock to come in and on the Altair website but I was wondering if anyone had one not in use. Thanks a bunch, Tom
  4. I'm after a bit of advice.. I tried guiding for the first time tonight with my QHY5v, connected to the HEQ5pro with an ST4 cable, guiding with a finder, and PhD. Soooooooo.... not too successful. I thought I was going well. I was getting a good guide star vey easily, took PhD Darks, all seemed good. Then, it started to go a bit pear shaped. When I'd done everything in PhD (connected camera, connected mount, selected guide star), I pushed the big PhD button. The W calibration started, and got to 61, and gave m the 'Star has not moved enough' message. So I increased the calibration step to 3000ms (then 10000ms just for fun) - Still nothing. Basically, the star doesn't visibly move at all. I've got the camera selected as ASCOM (late), and then choose the QHY5v in the second (ASCOM) box that appears. Then I choose 'on-camera' (I think that's what it's called), for the mount. I've got a straight-through 6-pin RJ12 to RJ12 lead for the QHY5v to mount ST4 guide port. Basically, the mount doesn't seem to move during the first bit of calibration (W), so it fails. Ive tried the manual movement in PhD. The only one that seems to do anything is 'North', which gives me a slight change in the whirring from the mount (subtle), and causes the guide star to move slightly on the video output. South, East and West don't seem to do anything, either in the way of mount whirring, or actual star movement. Any suggestions??? Is my ST4 cable correct (straight-through 6-pin RJ12 to RJ12) to go from a QHY5v to the HEQ5pro? By the way - I'm aligning and using the goto etc of my Synscan handset, and then using the ST4 port via PhD and the QHY5v to guide.
  5. I know that TheSkyX program has a feature to select an optimum guiding star for off-axis guiding. Are there alternative free programs that have a similar feature?
  6. Hi all, Bit of background info first. Having problems auto aligning my Meade 8" LX90GPS. Works at home Liverpool, but not at my site in Hadnall. Doesn't do LNT, not level and never finds north, just spins around like a dalek! Thought LNT module was duff or damaged in transport. Tried everything, then noticed my phone was off north too, tried two other phones, none of the three ever showed same north at same time, even after calibration. Then to my amazement one of the phones suddenly flashed up High Magnetic Anomalies. Moved 20 metres away and ok. So upshot is that under the ground below where I can view from is either a metal dump or electric cables or some other magnetic force. Can't dig it up, decked over. Can't move further away it's beyond my fence line!!!!! So now to finders.. Can't get on with the red dot LNT module for alignment, too flimsy and to big a dot and useless for auto align as above. So want a decent optical finder, to sight and alugn manually so criteria are About £100 all in. Not straight through back can't contort any more.... So need RA but is RACI really better than just RA for the extra cost. 6x30 is it too small mag, maybe 8x50, 9x50 or look for used 10x60 or is that too big. Any ideas or what else do I need to consider, some say EPs are fixed, is this ok or not. Looked at DIY, but the mounts are soooooo... expensive too. Hope this makes sense and look forward to your help.
  7. Hi All! I would like to share a minimum movement calculator according due to http://www.myastroscience.com/minmoveinphd FYI: Do Not Touch RED cells!!!! min move calculator.xlsx
  8. Hi! I am afraid that I am on the scrounge for information again from the good people of SGL - one day I hope to be able to give back to this forum as much as I am receiving in these early days. But for now I am mainly all take! I am starting to look at guiding for my astrophotography having read a few posts here and there about using a webcam as a guide camera. There is no way at the moment I can afford a dedicated guiding system - scope & camera. I know from reading other posts to questions similar to this that I can use PHD together with EQMOD to run the mount and that you can use a webcam in certain situations as a guide camera. My question is: do you keep the original lens on the webcam and use it Afocal; or do you take the lens off and direct the light straight onto the chip as you do with imaging with a webcam? I wanted to try this system with my CG5 Advanced GT (this mount has the auto guide port) to see if the other equipment I have (laptop, power pack etc.) can handle it before I start to spend out on more advanced stuff at some point in the future. I have a 6x30 finder scope on my C8 but I also have a 20x50 Mirador spotting scope that I thought I could mount on the main tube if that would be better to use as a guide scope. I appreciate that the magnification on the spotting scope is a bit high but I am using what I have got in order to save money! I hope to be getting a second hand DSLR soon which I will be using for imaging rather than the Philips SPC900NC which I am using at the moment. The SPC900 could then become my guide cam (if it doesn't need its lens ).
  9. Hi everyone, just after some help... Currently using a SW150p on a neq6 mount guided by a Orion SSAG with a 50mm mini guide scope. I'm looking at getting a new guide scope that I can also remove from the setup to take on holiday as a travel scope. Now I know I am wanting the best of both worlds and budget is only about £250. So my question is this - keeping in mind it's main use will be guiding with occasional use for visual on holiday - do I get: Orion or Skywatcher ST80 https://www.firstlightoptics.com/startravel/skywatcher-startravel-80-ota.html Skywatcher 102t OTA https://www.firstlightoptics.com/startravel/skywatcher-startravel-102t-ota.html Skywatcher 120t OTA https://www.firstlightoptics.com/startravel/skywatcher-startravel-120t-ota.html Many thanks for your advice and input. I need to make a decision as my wife is buying it for me for my 40th. Tony
  10. Good Morning, Does any of the guiding softwares out there auto-correct a sync scan auto dob, with the use of a guide scope? The main use would be to to keep Planets in view so several runs of imaging them can be done in a session. I notice my XT8G does drift out of view ever 10mins at 250x. If I wanted to take gifs or many shots of something I'd need it to stay more dead on for longer than that. I have gotten as close to perfect gps coordinates, time to the second etc. Thanks Enrico
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