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Found 57 results

  1. While waiting for Jupiter to rise above my roof line I tried some Deepsky targets to try get to grips a little more with the new ASI120MC colour camera. M57, 30x21sec @ 650x480 Bin2x2, Unguided on 200P-DS+HEQ5, Stacked in RS6, touched up in CS6 M92 30x7sec @ 650x480 Bin2x2, Unguided on 200P-DS+HEQ5, Stacked in RS6, touched up in CS6 Not the best, but i'm still getting to grips with this camera and it's really aimed at guiding/lunar/planetary.
  2. Decided to put cooling fans on my newtonians a 200pds and a 130pds ,used a 120mm on the 200 and a 80mm on the 130pds ,i used, Be Quite silent Wings2 fans they use rifle bearings and are so quite German made, i did the 200 first and was impressed with this make so ordered the same make for the 130 pds it comes with a lead with four wires but only needed neg ang pos so snipped other two out , made a disc from plastic and cut out around collimation screws on primary then used velcro to attach to OTA fitted a 2.1mm dc socket on to the disc then bought a usb lead to 2.1mm barrel though i may fit another 2.1mm socket on my power box and use 12v either way it works ,i used a dimmer on the 200pds but it doesnt need it and wouldn't use it again but its fitted now so will leave in place.
  3. Hi everyone. Not often I post in this section, but last night I finally had some working equipment and clear skies (with some moon...) So had a go at M27- The Dumbbell. I'm still learning how to process, and trying to figure out flats still. But I'll get there. 14 Lights - 800iso x 300 Seconds 20 Bias 19 Flats No Darks (Wanted to go to bed... it was getting late...)
  4. Friday night I used my Skywatcher Skyliner 200p dobsonian for the first time. The seeing wasn’t great , some high clouds. To give an idea of conditions I could just make out the “head” of Delphinius with naked eye. I had set up the Skyliner ( see photo) on some small paving stones although I didn’t try to level it. Carrying the scope out to the garden in two pieces was simple , I have added a couple of luggage straps to help. Moving the scope as an assembly can be done using the two handles to lift the assembly and I managed, during the session ,to move to another area of the lawn to view another section of sky. I have since experimented with a sack trolley which makes moving the full assembly a cinch and I will use this when I go to our local dark sky location I have added a Right Angle Viewfinder and a Telrad to the Scope and using a 30mm EP I firstly made sure that they were all aligned, by choosing a bright star in the centre of the EP and tweaking the two finders to get their agreement. I could see the “box” of Hercules and I have previously seen M13 and M92 with the 130p so I thought that this would be a nice comparison for the 200p. The movement of the scope was smooth in Altitude and in Azimuth. I have added a single piece of milk bottle washer to the centre bolt and this has freed up the rotation. From my experience with the 130p I know where M13 and M92 are . It seems obvious now but it does help that I know what I am looking for and it’s the same viewfinder as on the 130p so I am looking for something with a degree of faintness that is easy to miss. I aimed the scope with the Telrad judging against the top right hand start of Hercules, then located the fuzz of M13 in the viewfinder and then centralised in the 30mm EP. The movement of the 200p was smooth and I was able to locate and centralise M13 very quickly Then I swapped the 30mm for a 12mm Plossl and this is where the dobsonian became a little more difficult, the 200p has a longer focal length than the 130p and more magnification and narrower field of view therefore any twitch can send the object out of the view and sometimes its hard to find it again. I found that I can control it better in Altitude if I” embrace the dobs’”. I am sitting next to the tube eye at the Eye piece if I need small adjustment in Alt I lay my arm along the length of the tube and allow my arm to get heavier. Not a push more a relax. Azimuth nudges at high magnification are more difficult to get with precision. I expect practice will improve matters. M13 was lovely, more detail , bigger ,more stars resolved less fuzzy than the 130p Finding M92 was a bit more difficult, I used the Telrad to guess approximate location and then zig zagged with the viewfinder .The viewfinder has about 5 degrees of field of view so I reckoned a submarine depth charge pattern sweeping a line of 5 degrees to the left then dropping down to the edge of the viewfinder and then a sweep to the right.. it worked and there was M92. Again bigger , brighter and more stars resolved I spent the next hour enjoying the views easily sweeping the scope around the sky, so many stars in such poor seeing conditions ,I am looking forward to darker skies. So in summary I am very happy with the Skywatcher Skyliner 200p Dobsonian. I was up and running in 5 minutes, the EP height is perfect for viewing when seated ,there are more stars on show and greater magnification available. I am going to sort out some fine control for viewing under high magnification but here I am nit picking, it’s a great scope. As a little postscript; As mentioned I have been using the Skywatcher Heritage 130p, also a Dobsonian, for a while, and the experience in using the smaller scope has been very useful as a grounding for this bigger tube. SOme basics that are easy to take for granted ,for example I have some knowledge of the types of eyepieces to use when tracking down a target, some idea of the major constellations, use of sky maps, stellarium and planisphere , some understanding of what to expect when looking for fuzzies etc. I would really recommend that someone new to the hobby ,experiment with the lower cost options it certainly pays dividends when using bigger kit. I wont however be getting rid of the 130p, its portability, great optics and wide field of view gives it a place in my shed.
  5. Hi, Does anyone have any experience converting a Skyliner 200p dobsonian (Non Go To) into a Go To telescope? Can this be done? Any help is appreciated. L
  6. Hi folks, Here's my 2nd attempt at the red one, the 24th looked to be a great evening at the start but high cloud moved in and caused quite poor seeing, this was also my first try of my new Astronomik IR pro 742 filter which really makes a difference. The IR channel is layered at 36% opacity but it really does bring out detail especially in slightly poor visibility. Thanks for looking Taken With SW200p, HEQ5, ASI120MM IR-RGB filter wheel stacked in AS2, Wavlet adjustment in Registax and finished if Photoshop.
  7. Here's The big man from a couple of nights ago, I'm desperate ti get a bit more info out of it but I've started with AS2 and it's pretty good software. Would love to have a go with a 4x or 5x Powermate but could do with some motor driven focusing. Thanks for looking, other stuff is on my flickr site.
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