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mand

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Everything posted by mand

  1. I've been trying to spot Lulin with 10x50 binos, handheld - with no joy. Does anyone know if it is visible thru binos at the moment at what is its magnitude?? Thanks Mand
  2. Yep. that's awesome alright. last time I saw a photo like that it was from then Hubble. Get some sleep and then let us see what you can do! Well done mand
  3. Thanks for that Kaptain. just wanted to check that the orangy cast is from street lights rather than my camera being faulty. I'm going to have another go out in the countryside to see what I can get there. Thanks again Mand
  4. Tonight I had a first attempt at star trails, with a D50 and various shutter open times - longest was 30 mins. Managed to get some short trails but the whole image was bathed in orange. Would this be caused by the near by street lights, and if so is there anything I can do to avoid it - apart from moving to a better dark sky location? Much harder than I was expecting - any ideas on what F number to use and exposure times? Makes me more in awe of the images you guys can get. Thanks Mand
  5. mand

    Perseids

    Think so -last week saw one that left a trial. Last night saw 3 very fast and brief bright flashes - Persieds or not? Unfortunately it's cloudy here in the North Mand
  6. ......ok,get the message, stick to easier targets for now! Ta,Mand
  7. Does anyone know if Pluto is visible through binos? From my garden I can see Jupiter by 12.30am to 1am, so may be able to try to find Pluto, but don't know what i'm looking for exactly.The bright nights don't helpof course. Does it look any particular colour or show its phase, etc? Mand
  8. Yep, congrats and well done Annette. Good to hear both are doing well. Mand 8)
  9. Well it was reasonably clear for the second night running, so I had a go at part of the monthly targets. Set the OMC140 out at 10.30, then started observing at 11.30pm. Gentle wind in the garden, usual street lights but I was in the corner so conifers became my screen. Overhead was clear but even at 1.30am it wasn't very dark. Found M13 and M92 easier than expected for my first attempt with 32mm meade sr4000 plossl-62x. M13 showed up initially as a blob, but then a few individual stars became visible with a hint of blueness. More magnification didn't show much more. M92 was only seen as a fuzz
  10. Glad you got to see the comet. Was it easy to find ? That's an area of sky I can see from my garden so hope to have a go soon, if the clouds clear.... Were you out with the big dob? I've only got smaller scopes so don't know whether I would make it out. Here's to next time.. Mand
  11. Good luck for later Kain. Here is a link for comet lovejoy, if it works http://www.skyhound.com/sh/comets/2007_E2.gif
  12. Hi. yes, astigmatism will affect your sight without specs on. It causes two points of focus, so you may notice a ghost image type effect without specs. This is not too much of a problem for low amounts. If you have a copy of your spec prescription, look at the number in the 'cyl' column : a number of 1.00 or less is not too bad, especially if the 'axis' is 90 or 180. Robin, the 'older' eye (sorry), often has smaller pupils that take longer to dilate, so give yourself plenty of time to dark adapt. Glad to have helped, Mand.
  13. Well, I am an optician (optometrist), but an astronomy newbie. This is what I think: I assume the light rays exiting an eyepiece are parallel, so then distance correction is needed. A target shooter needs to be able to see the foresight reticule, reasonably clearly, superimposed on the target. Astronomers don't have this requirement, except for the polar scope or finder where you can sometimes adjust the reticule to look sharp when looking into space. The pupil size at night has no effect on specs performance, but can allow some aberrations of our eyes optics to come into play, and has a bear
  14. Can anyone suggest some objects for a beginner to observe during these coming months. I have a 4" refractor and 140mm mak, and have views from south to west above about 30 degrees upwards and south east -same height. Straight up is pretty good! I am aware if won't be getting very dark at all, but 11.30pm ish is latest during the week. Already done Venus and Saturn, but fancy trying to locate dso and using setting circles. Look forward to suggestions. Would software like Starry Night help me to decide what to see? I have 'Turn Left At Orion' on order. Mand
  15. Excellent Martin!, that's just what I've been trying to find after I came in. Many thanks for that link. Mand
  16. Finally had a break in the clouds today at 9.30pm. So decided to try the omc 140 out for a quick look at Saturn and Venus in the front garden - with the wind blowing, not very dark and adjacent street light. Didn't let the scope cool , but after about 15 mins the view became surprisingly good. Nice crisp views but no cassini visible with 10mm ep. I could see what I think were 3 moons to the left and something below maybe 5 to 6 planet diameters down- is there a moon in this position? Venus looked nice- crisp and bright again. Glad I made the effort as conditions turned worse as I packed up. To
  17. Whilst watching the moto gp highlights just now- 5.10pm, the sun was beating through the front windows on me. So I decided to grab the omc140 and solar filter and have a look with it balanced on my knee. Can anyone confirm the sunspot I think I saw? With a 10mm ep there seemed to be a spot at the bottom of the image through the ep. Apart from the spot, no other detail was discernible. With the scope mounted, what else would I see? Mand
  18. mand

    Time to say hello

    Well, as it's cloudy again, I'd thought I should post a 'hello' as some of you have already answered some questions for me and sold me some stuff. I am in Northumberland and have owned 102MM f10 Helios refractor on eq5 mount for a few years. It has only been out a few times - mainly because the area of sky visible from my garden is restricted-to view planets. I love my various hobbies, but have recently given up on one due to lack of time. This allowed me to sell off some gear so providing some cash to spend. Venus and the recent bright comet has rekindled my interest in astronomy. The Helios
  19. Can anyone offer me some advise on whether I should consider a 2" diagonal, please. I have a 4" refractor with standard 1.25" diagonal but it will take a 2" diagonal, also have a 5.5" mak that may take a 2". With the smaller size eyepiece on a larger diagonal, what will the benefit be, if any. I assume the real benefit will be with 2" eyepieces, which I don't have (yet). Ta for help. Mand
  20. Thanks for that, understood. Just need to remember it. Nice if it was a 'sticky' so people could refer to it when they can't get their heads around things. Now that will help me decide what scope to save up for. Mand
  21. How does field of view fit in then? Lets say a shorter focal length tube need smaller/higher power eyepiece for same mag as longer focal length tube with bigger/lower power eyepiece- but will the field of view be the same (image size will be -won't it)?? Also will the image brightness be different or is that down to aperture mainly? Mand - still getting to grips with the techy stuff.
  22. Sorry to but-in, but if starchaser is a beginner- like myself- how will he find things to look at like dso etc with a dob? They don't have setting circles do they? Mand
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