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Everything posted by clarkpm4242

  1. After much research I have gone for a non-Canon, non-zoom lens. Sigma 24mm f1.4 (a 20mm is due soon). About half the price of the Canon equivalent but an excellent wide field lens for astrophotography. Usually used at f2. Good luck. Paul
  2. Just to make the choice obvious I find the UHC the best and most useful of the narrow band visual filters. More versatile, much less harsh than the OIII, gives a more pleasing view, more forgiving in smaller apertures, better star colours. Being a wearer of spectacles may have some bearing on my opinion. The answer is buy all 3 I have Astonomik now. Have used Lumicon in the past. Hope this helps Paul
  3. Hi Magnification... it really does depend on the object. I think OIII is the default filter for most. I would definitely up the magnification though. Simeis 147 was very difficult. Dark & pristine skies essential. For observers a little further south I recommend the Vela SNR Good luck.
  4. Link bookmarked! Thanks. Think I've just got Cass A to pick off. For those searching, Sh 2-91 is not too tricky compared to some of the others! Good hunting
  5. This http://science.nasa.gov/science-news/science-at-nasa/2001/ast24aug_1/ is a great discovery! 2001, an amateur, at a star party in Canada is looking for M1 and chances on a new short period comet. I keep looking up in hope Cheers Paul
  6. Hey up Recently moved to Swaledale, so getting my back garden observing location sorted. Treated myself to a new DSLR & wide field lens so hoping to get some nice images. Also got a newly minted puppy to look after Hope the weather is kind to all! Paul
  7. I hope your write up helps others get out of the resorts! There is so much more on show at that latitude Tricky with family etc. but surely well worth the effort I met local Spanish/Tenerifian astronomers when observing on La Palma... ...they go there to escape the light pollution caused by the big Tenerife resorts, visible even when in the caldera Where to next?? Cheers Paul
  8. 'Between Mu 1&2 and Zeta 1&2 Scorpius lie an enchanting belt of star clusters that dazzle! There's something very engaging about all the activity between these pairs which kept me coming back to it again and again. Not having my most detailed atlases to hand, I can only make these out as NGC6231 and Tr24, but there are several smaller clusters involved. I will miss not being able to see this from the UK as it is the most southerly portion of the main Scorpius asterism. I'd also rate this a fine bino target given the chance.' Excellent stuff! That area is known as the Table of Scorpius...a favourite of mine when down south. The Veil is brilliant in dark skies and a wide field Reflection nebs tend not to respond to OIII filters. Glad it worked out for you after the planning and effort!!! Paul
  9. IC4677 is part of the outer halo and probably visible through a 15" scope.
  10. Also look for 'nothing' Dark Nebulae! Barnard's 'E' in Aquila The dust around the Scutum Star Cloud and 2 small patches in Small Sagittarius Star Cloud. Good hunting Paul
  11. All below should start with 'In my opinion..' I've had an Obsession 18, Orion (US) 14 and now own a Sumerian 16 Alkaid. Also much experience with Obsession and Sumerian 15, 18, 20 & 22s (UC or Classic). Assuming that you are going for new. Sourced within the EU. Avoid the mass market scopes. They may weight a ton and be just not well constructed. My 14 Orion weighed more than my current 16... The 18 is a very useable size. Take one step back from the biggest that you can afford and go up in quality e.g. mirror coatings. A more portable solution. The 18 Canopus structure from Sumerian is great. Then you have to deal with OO UK...can be a pain but produce good optics. Also match your good optics with good eyepieces. Yours (and others) mileage may vary! Good luck!!! Cheers Paul
  12. This SPA page gives the UK observer perspective... http://www.popastro.com/meteor/activity/activity.php?id_pag=228 Hope for some clear skies! Cheers Paul
  13. I have observed from here on several occasions... https://www.google.co.uk/maps/place/Santa+Cruz+de+Tenerife,+Spain/@28.2381018,-16.6971622,1049m/data=!3m1!1e3!4m2!3m1!1s0xc41cceccc254171:0x43111473d277e52e!6m1!1e1 ...warm clothes and wind break! Also managed to take TMB 92SS APO etc. in hand luggage. Heavy duty dismantled photo tripod and tablet mount in luggage. Used taped on filled water bottles as counter-weights. Good luck!! Paul P.S. Don't think any booking is required for the Caldera...
  14. Very nicely put. Am a fan of http://en.wikipedia.org/wiki/Bortle_scale I also have some favourite 'test' DSOs. Clear & dark skies Paul
  15. Yes, 60mm is plenty! I managed a full 110 object single night Messier Marathon using a Borg 60 (older non-ED version) and 24mm Panoptic from Tenerife a few years back. Used a birding/hide mount that clamps onto stable objects. Also worked well as a very wide field scope for objects such as Barnard's Loop. Yosemite is magical!!! Spent 6 months there climbing in my youth. Hope you have a great time! ...cheers, Paul
  16. 110% with Olly on the trailers. Have to be big, good quality suspension, probably 4 wheeled. My solution was wheelbarrow handles, ramps and an estate car with NO rear lip on the back door. A key feature! It is also possible to use the seat belt mountings to use a pulley/winch system. Hope it goes well! Paul
  17. As Russ said, daylight re-appraisal of the situation is so much easier. Don't be afraid of taking the mirror out of the cell, if necessary. It is fine as long as you think it through beforehand. Good luck. Paul
  18. Hi Richard You can loop the tensioning cord various ways to get the required 'balance'. It works on my Alkaid with the 31 Nag/Paracorr combo. Cheers Paul
  19. Yes, Canada. An excellent 'Best Of' list. They also have a Challenge List..!
  20. How did I forget this! This is a brilliant list when you have aperture to use http://messier.seds.org/xtra/similar/rasc-ngc.html Paul
  21. I'll 2nd the Herschel 400 as the next step. I used an OMC 140 to bag them after the Messiers. I seem to remember that it doesn't have the really low objects like M7. Good hunting Paul
  22. Yes, naked eye, OIII or UHC... ...from the Elan Valley, obviously Also, from 2000+metres up in the Canaries (cheating, I know). Good luck Paul
  23. Hi From my experience, I think that you will be pushing it (a lot) under mag.5.6 skies, even with a 16". I think all my observations have been 6+ and on very transparent nights. H beta is the best filter however the standard UHCs have OIII and Hbeta band passes and bring out more than filter free attempts. Eyepieces, pick one that keeps the brightest stars out of the FOV. I found it to be the size I expected. Not big or small. Under marginal conditions all you realise is that there is an area where you are consistently 'not' seeing nebulosity. My best view was through a 24" with an H beta from the Caldera on Tenerife, it was a black chess piece on a white background Good luck and very clear skies. Cheers Paul
  24. Hi Nice write up. Hope it continues to perform as good as it looks!! The primary has a wire sling for low altitude support and 6 'floating' support points. These are on each end of the 3 metal pivot bars below the mirror (they aren't counterweights). Cheers Paul
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