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About scitmon

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    Star Forming

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    Lancashire, UK
  1. Mount Guidance/Advice AZ v. EQ

    The advantages of the AZ are mainly for the visual user, easier to move to objects you want to see and no need to go through a polar alignment routine. For DS photography EQ is a must to get those longer exposures in with movement on only one axis. Out of the ones you are looking at, personally I would be going for the AZ-EQ5 (assuming your telescope + camera + guide equipment is no more than about 10kgs?), not because its both AZ and EQ, but because it's belt driven unlike the other two. I'm sure you will get opinions to the contrary soon
  2. Hello all, After giving PHD2 drift alignment a go for the first time, I've concluded that it just takes too long for someone who doesn't have a permanent setup. I've been looking into trying Sharpcap polar alignment, but one of the requirements is that it needs at least 1 degree field of view. I recently purchased a ZWO 120MM and ST-80 for guiding (which I'm starting to regret now the EvoGuide is out!) which unfortunately only gives me about 0.7 degrees field of view... is this going to be problematic? Would a 0.5x reducer work to up my field of view?
  3. Thank you all for the help. This was very much a learning exercise. I did find small adjustments on the az axis tricky with the azeq6 but i'm sure i'll get the hang of it. How long does this process take for someone who knows what they are doing?
  4. I think I'm very slowly getting the hang on it, but can anyone tell me why my blue line is allover the place?
  5. so the meridian is the line from north to south, and the celestrial equator is what?
  6. Right now I am trying learn the drift align tool in PHD2 for the first time and struggling badly. Hoping I can get some help! I'm currently trying to align the Azimuth but the red line is just falling off the graph very quickly. I've done a rough polar align with the scope but I'm wondering if I've not done the step of slewing to the meridian and celestrial equator correctly because I'm not exactly sure where that is?
  7. HELP! ASI120MC

    The ZWO website says "Our USB2.0 camera is not compatible very well with Mac OSX & Linux" so sounds like you might be out of luck. It is possible to have both Windows and OSX on post 2012 macbooks if you want to go down that route? I do this for my astro imaging needs.
  8. HELP! ASI120MC

    I also noticed this from a quick google: http://bbs.astronomy-imaging-camera.com/viewtopic.php?f=29&t=6942 Sounds like its not supported.
  9. HELP! ASI120MC

    Can you elaborate on "wouldn't open"? I'm wondering if you have successfully installed the software, its a bit different on a mac than on windows. When you open the DMG file you downloaded, it will create an installation file on your desktop which you then need to run.
  10. Amazing shots, was this with your 80ED? I think I may be adding some filters to my wish list soon! I didn't know DSLR's produced such wonderful narrowband images.
  11. First Attempt - Need help!

    By local conditions I'm assuming you mean light pollution and brightness of the target? I was imaging M31 a while back and found I only needed to capture around 60 second subs at ISO 800 to get the histogram clear from the left, which made me wonder what the point of buying a guide scope was? Would you say in situations like these dropping the ISO to maybe even 200 for longer exposures would be beneficial?
  12. First Attempt - Need help!

    I find this comment very intriguing.. I understand the need for getting the peak of your histogram clear from the left, but what would the pro's and cons of lowering the ISO to, for example, 200 for a longer exposure be to say 800 for a shorter time? (sorry if i'm hijacking the thread). I used a modded Canon 700d and have read to use ISO 800 or maybe 1600 only.
  13. and I've just bought the ST80 guide kit
  14. If it was me, I would always go for the most modern one if prices and feedback are good.
  15. I've made a bit more progress on this, I think I'm near to as best I can get it without more data. Its a bit grainy zoomed in.