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Radman40

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About Radman40

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  1. Thanks Stephen. Do you think the resolution would be noticeably better.
  2. Dear community, I mainly enjoy lunar imaging and have had good results from using my image source DMK21AU 618 mono and a 10inch Newtonian. The only gripe I have is that the FOV is a bit small for mosaics. I am considering upgrading to a ZWO ASI290MM mainly in the hope of getting better resolution images but with the added bonus of a larger FOV. All things being equal, if I upgraded do you think I would: a) be really impressed with the increase in resolution of the images and consider the expenditure worthwhile. b notice modest increase in image quality but a small part of me would wish I had spent my hard earned dosh on something else. c) barely notice an increase in image quality and wish I had spent the cash on one of many other bits of kit designed to deprive us of our income. d) should stop wasting my time wanting more stuff and get the best out of what I have by chasing nights of really good seeing. e) other user opinion. Thanks for any feedback.
  3. I fancy one of these but as everyone says it is way too expensive. Why is it so much? Do we think it may get cheaper?
  4. Well I have been having doubts about collimation for a little while now. I got a cheap 1.25"laser, which I thought was fine until I rotated it around in the focusser and the light spot described a rather large circle on the main mirror as I rotated it! I then decided to read up on the matter and got a Cheshire which I use every time when I set the scope up. I do not check it however as the night progresses but then I always get the scope well cooled and I never stay out that long (which is why I do lunar imaging as I am not dedicated enough to spend hours collecting photons from feint fuzzies). It seems to do the job ok but I doubt myself. I was wondering if it would be worth spending a bit more on a laser collimator that fits the focusser better e.g a 2 inch version?
  5. I am very pleased with it. I was worried that it might be difficult to move about given the focal length but I have not had a problem with this. Here is Apollo 15 landing site. One thing I have learned is that I should have been worried less about the type of scope to get and more about the the seeing conditions! How often and what method do you use to collimate your scope?
  6. Fantastic image. It was your work that inspired me and helped me decide upon which scope to buy after months of agonising! Thanks for posting this and all your other work. 😀
  7. The image is better than you think. You can see the Hadley Rille which the Apollo 15 astronaughts peered into. That is not always an easy thing it image. I would be very happy with that image😀😀😀
  8. Brill....lots of work in that. It goes to show what can be done without spending a load of money on fancy equipment.
  9. M35 is of my favourite open clusters. It was one of the first binocular objects I found when I moved on from the more obvious 'celestial lollipops' when I first started with astronomy many moons ago. I will never forget the excitement of actually finding something from a star chart.....you can tell it does not take much to get me excited! Here are a couple of images. The first shows the constellation of Gemini and where to find M35. That was taken with a 35mm lens. The seconds are 10 90s exposures with a 200mm lens. Nikon 5100. I had not expected to pick up another object NGC2174, the monkey head nebula. That was a surprise and had also got me excited once again. It is amazing what you can pick up with a DSLR these days. A welcome distraction from the daughter stomping round the house with A level stress!
  10. I have one of these! Pros It's light and really portable. That's why I got it. So easy to throw into the car and drive off to a dark site. I can get it out of the car and have it set up in a couple of minutes. You can carry it round with one hand at arms length. You can run it from AA batteries which last for ages. No messing about with power tanks which is great for grab and go. You can also run it from a power tank. The polar alignment routine is really straight forward. Much better than skywatcher. Having said that the thing is so light it does not take much to knock it out of alignment. Instruction manual (on line) is good. The hand set works well, is easy to use and there is a good range of slew speeds. You have to press the buttons quite firmly however. Cons Cost! When you use it at our latitude with the polar alignment scope in it you cannot put the cap over the polar scope. That makes it look ugly but then I am ugly so it is in good company. That was poorly designed. I use it with a 70 mm zenithstar. It just copes with this. You could not put anything bigger on it. It would be better for use with a smaller scope to be honest and it would be good for the majority of solar scopes. The latitude adjustment scale is not fit for purpose. The red used in the polar alignment scope is far to bright, even on its lowest setting. On its highest setting you need solar film to protect your eyes. The build quality is barely adequate. The locks for the tripod legs are quite filmsy and I can see them breaking but if you look after them they should be ok. The screw for the locks RA is also not up to the job but could be replaced. I have never tried to guide with it. Frankly by the time you load it up with a scope and a guide scope and a camera I can see it struggling. I am happy to be proved wrong though. Why would you want to guide with this though. It's not why you buy a mount like this. Is it good value for money. No. Would I buy it if I had my time over. Yes. It does exactly what I want it to and that is to mount a DSLR on it with a range of lenses (up to 400mm). I also want it for ocassional telescope work a a site away from home e.g. for comets and very young moon observing which I can't see from home. It tracks well and I like using it. The best equipment is that which gets used and I use it very often as it is so portable. Hope this helps.
  11. Anyone know how bright it will be and where to look?
  12. Wow. I have been looking for 30 years and have never seen one this good. Luck of the draw I guess. Oh well, perhaps i will win the lottery instead, or discover a comet or my daughter may even pass her GCSE maths.
  13. Very good? What magnitude do you think it was?
  14. Brill. Thanks for posting.
  15. Excellent. Never seen them like that before? Thanks for posting.