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Showing content with the highest reputation on 25/01/19 in all areas

  1. Hi everyone I saw a cheap 'Russian' -it says USSR on the lens ring- 300mm lens on eBay for €50. Just for curiosity I took this snap, never expecting anything like. I was surprised at the colour and corner correction it gave. It would be a great way to make a start in ap with a dslr; my Canon kit lens comes nowhere close. Interesting... 700d: 90 minutes @ ISO800
    13 points
  2. This is one of my favorite regions of the moon, every time i keep imaging this region over and over again. This is an old image was taken last year.
    9 points
  3. Heya, It was raining all morning with total cloud cover. Went to town and ran errands instead. But, to my surprise, around noon, the sky cleared up and seeing was pretty good. Managed to get some data on AR2733, it's starting to calm down and the umbra are fading, but the plage is still large and there's activity going on. There's some rather nice prominences around the limb, but one particularly interesting one making a show. B&W: Color: 150mm F8 Refractor Daystar Quark Chromospher
    8 points
  4. Composition of 3 exposures to recover Highlights and shadow, not really the best source files as I was not planning on doing HDR but just finding the wright exposure time, thanks to LR I was able to recover some detail in Highlights and Shadows. Moon-HDR version by Yves, on Flickr
    8 points
  5. Its been a pretty barren last month, what with the weather and the festive duties. Captured at 09:00 low over the roof tops. Not the best conditions, not helped imaging through a neighbour's boiler smoke, very little detail visible. C9.25/Asi290mm & Baader UV filter.
    7 points
  6. fighting loads of cloud here today so only short vids to work with, theres ooodels of photoshop with the AR shot. kit starwave 102, quark, asi120mc. wishing you all better skys than me. thanks for looking. charl. AR2733. don't know if this is any better. ive restaxed after removing most of the frames with cloud in that's got rid of most of the artifacts but ive lost some detail, I think its one of those shot which is a none win .
    7 points
  7. I made a decision to do some financial investment with FLO after noting recommendations and advice from your goodselves. The major one was the mount a HEQ5 pro with the Rowen Belt Mod and learning EQMOD I got a EOS 450D modded by the astronomiser and invested in a polemaster Previously i used a Wifi Discovery mount Anyway for me it all came together this week this is the difference about £1500 has got me and 4 months of effort The ST120 and 450D are common only will try the ED72 next Its been a frustrating journey what with our weather and gear that works
    7 points
  8. Hi. Managed a short session on M1 the other night.This is an RGB image,as the moon was too bright for a Luminance. Taken with a ED80 and a Atik 314L+. The sum of 12 x600 secs for the R/B and 12x 500 secs for the green. Calibrated with darks/bias and flats. Cheers. Mick.
    7 points
  9. Have you ever wondered what a hi-resolution image of a volatile star like the red super-giant star Betelgeuse looks like? Well you don't have to wonder anymore...here you go...> https://www.inverse.com/article/33408-supergiant-star-betelgeuse-is-bulging Your comments are welcome.... P.S. For those who thought Betelgeuse was big...then check this star out...> https://upload.wikimedia.org/wikipedia/commons/f/fe/Sun_and_VY_Canis_Majoris.svg Klitwo
    6 points
  10. Unfortunately, the January cold snap and its freezing transparent skies coincided with the full moon. Fortunately, Orion is filled with double star beauties, which kept me enthralled for three consecutive nights. Everyone knows the biggest attraction- the Trapezium. I quickly reaquainted myself with the E star and had a long look for the elusive F. On the second night my head jolted a couple of times as I seemed to catch it for a moment and the next night I had it for sure. I found it interesting how your brain seems to have a memory for sights that makes it so much easier to see a faint
    5 points
  11. Some really colourful red carbon stars around just now. I was lucky enough to get a gap in the clouds , very surprised at how bright and red UU Aurigae looked . Some of these are greatly variable , reports of "Hind's crimson " ( aka "Vampire "star) for example ,depend on catching them bright. I've shown these as show stoppers from being a "wow !" to "where is it ?" Small aperture helps in seeing colour as does , clear skies ! Nick.
    4 points
  12. It’s been almost a year since I came here looking for help to buy my wife a scope as a birthday present. At the time I had zero interest in photography or astronomy but a lot has happened since so I though it would be fun to come back and report. So I ended up buying her a small SCT and then using the scope more than her, while trying to help her set it up I happened to see Orion through the eyepiece. Then I tried to photograph it and then I got hooked on this hobby. I’ve since bought a new scope/complete setup and for almost a year now I’ve been out in my back yard all night every night
    4 points
  13. I would class this as transportable. Portable , to me, suggests being able to carry the telescope complete. ?
    4 points
  14. PM me your address. I'll send you my 8mm BST Starguider that is redundant in my collection (it's kind of new - a customer return from skiesthelimit - I bid on it on ebay a few weeks ago ). I will gladly help you out - nice to see young people getting interest in astronomy! x150 will be well worth it. x300 depends on your telescope - aha I see 8in dob - x300 might be useful sometimes.
    4 points
  15. Excerpt from Burnham's Celestial Handbook, with a mention of "a stain of fog" resembling "a breath on a mirror", interesting comparison with breath on an eyepiece lens, but also the fact it can be seen with only 2 inches of aperture. So there's nothing difficult in believing you saw it with your 8-inch dob, Alan. Another interesting point is it disappears when the scope is too large (18-inch Dearborn refractor), surely because glare from the star becomes too strong.
    4 points
  16. HH 222 The Waterfall Nebula Located in Orion. Accurate proper motion measurements of HH 222 reveal that the shock structure is a giant bow shock moving directly away from the well-known, very young, Herbig Be star V380 Ori 12 hours of 15 mins subs bin 2x2
    4 points
  17. Have just got myself a TV Powermate to use for planetary imaging - managed to ave a first run on the day after it arrived (!). Typically just after full moon, so had to go skirting down the western limb - Petavius and Langrenus. The seeing deteriorated a bit after Petavius but fairly happy with the result. 350mm f4.53 newt, TV Powermate 2x, ASI-120MM, best 5% of 7000 frames. Petavius Langrenus
    3 points
  18. I suspect related to good transparency as much as anything else perhaps John?
    3 points
  19. This has arrived now, to be fitted this weekend! Hope it fits!
    3 points
  20. Book has been claimed by John, who has made a lovely donation to Cancer Research - thank you John
    3 points
  21. Confirms my thoughts that this must be the best and friendliest forum ever. Well done to all above for their thoughtfulness that is often so lacking in today's society ? Steve
    3 points
  22. Shane has passed on it bud, so you are welcome to take it. My partner recently got me the 5th Edition as a surprise gift (she hadn't got a clue I already had this) so you are very welcome to it. Great book and I'd rather give to to another Astronomy enthusiast than sell it. Inbox me your address Only issue is I cannot mail until Mon / Tues due to an incredibly busy work schedule this weekend (I work very long unsociable hours). And that's cool, if you want to make a donation to a charity of your choice, then great Cheers Richard
    3 points
  23. If no one else wants it, then I'd be happy to make a donation to Cancer Research or a charity of your choice?
    3 points
  24. Hi Richard such a kind offer. My sessions are so time limited (usually an hour or so after school) that I'd probably not make best use of it and tend to use star maps with them like road maps. Let someone else benefit from your kindness this time and thank you again ?
    3 points
  25. I don't know if you guys heard about the lunar impact during the eclipse at 04:41:44 but I checked my subs and I caught it ? Lower left side you can see a white dot ? Emil
    3 points
  26. I had some fun a couple of weeks ago when I had the briefest of clear skies in south Devon and could power-up my home observatory. The following image only comprises 30s and 10s subs and shows that the good old KAF8300 is not quite 'old' technology yet . . . . only having a bit of fun here ? . . . not meaning to start a CCD vs CMOS thread ?. Each LRGB channel - 60 x 30s and 30 x 10s - with the aim to reveal some of the core without too much complication or fuss and straightforward processing. Taken with my WO FLT132 at F7, QSI683 and Astrodon filters. cropped circa 10%. The br
    3 points
  27. JOC, I have the Morpheus 6.5mm and I would have to say it is my favourite eyepiece for high power viewing, spectacular views of the planets! Meanwhile, I had a delivery of my own today, and I'm just a little excited, as I'm in the midst of being determined (and thwarted) to see Barnard 33, the HorseHead Nebula, so this little gem should give me my best chance so far..... .....but of course the clear weather of the last 300 or so weeks has now turned to cloud.......?
    3 points
  28. Hi all I am amazed that I even managed to get this much done this year! About five hours Ha and an hour each of RGB. Conditions bad to terrible!! ASI 1600mm; Esprit 80 Cheers Nick
    3 points
  29. At around 7am, the waning crescent Moon will be at 14 degrees above the horizon and between Venus and Jupiter. Given some clear skies, this should make quite a spectacle. The 25 day old moon will be 17.8% illuminated, and about 4 degrees from Jupiter and 4.5 degrees from Venus. Well worth a look in binos or a widefield photo opportunity. View the calendar event
    2 points
  30. I guess I would be totally out of imaging at the moment if I didn´t have my 3 nm Astrodon Ha-filter. First clear nights in over 2 months and of course that darn evil orb is up there, bright as ever! ? Managed to get a total of 76*5 minutes and I guess this is about as good as I can get it considering the full moon. Really can´t wait to get my hands on some O3 and S2 data for this one now! Oh, if only I could afford Astrodons for those as well... The field of view of my Sigma 500mm lens really fits this target! Thanks for watching, hope you like it ? Gear used: ZWO AS
    2 points
  31. Hi folks, I just finished my frirst review blog on about the ZWO 1600MM pro cooled, you can find it here: https://www.astroforum.space/blog/zwo-1600-pro-review Happy to hear your thoughts on this. Am I covering everything, am i missing something? Please let me know so I can improve on this, thanks! Clear skies!
    2 points
  32. Here's my 12" OOUK Dob on a padded sack truck, acquired specifically for observing Mars in 2018 when I was going to be stuck in UK for the summer. The mount and EPs go in a wheelbarrow. I can get a 360 degree view from a hill about 400 metres across a road through our village. Potential problem is the road is a main north-south road in busy south-east England (A29) and traffic hares through day and night. A 79 year-old pushing a rocket launcher on a sack truck is an obstacle speedsters don't expect to encounter. I wear luminous bands and carry a white light forward and a red light behind
    2 points
  33. Ha - now that is large! I've only a 15" tiddler compared to that 42" - that guy might call it a finder scope It goes into my car like this: For size, here it is beside a 10" Skywatcher 250px: Takes <10mins to assemble & collimate.
    2 points
  34. On reflection, I think I'll stick with my portable SW 72ED
    2 points
  35. Kronos831 : replied back. Perfectly understandable for you being cautious. Rest assured, only true intentions. It is a part of the hobby to spread the knowledge and equipment. Hope you can do the same in 20 years time Will pack it up and hope you receive it quickly!
    2 points
  36. This small and distant galaxy was documented by the known astronomer Steve Gottlieb at the end of the last century. He used two telescopes, one of 8 "and another of 17.5" and his comments are the result of what he could see visually then. Today thanks to the help of modern cameras we can recreate what he saw, improved even, from the backyard of our house Those are his comments: 17.5" (1/19/91): fairly bright, large, about 4'x3' extended ~E-W. Unusual appearance as two bright stars are involved on the east side. Sharp concentration with a faint outer halo and a well-defined
    2 points
  37. Mark it doesn't surprise me that you see it in the 12" newt- I was observing the Pleiades last night with my 15" f4.8 and the view of the Merope was VG. Your 12" gives image scale to pull the Merope "fan" out- under very clear dark skies the extent of the nebulosity grows and this gives smaller scopes a very nice opportunity like the H130. It is a myth that larger scopes don't work on the Merope, but if the TFOV is too narrow we might "look through it". Under dark transparent skies the H130 is superb on the Pleiades nebulosity complex with a 24 ES 68. For reference my conditions last
    2 points
  38. One interesting aspect of observing faint objects is that they are often so easy to detect after you see them the first time. In my experience, the nebulosity around M45 has always proved impossible. That said, the comment from Burnham above is perhaps important as I generally observe from dark skies with my 16" dob. The only time I felt I was 'seeing something' was with a 100mm f7 ED frac from the same site. Maybe I was! I'll certainly return to this object on a regular basis anyway as it's so lovely.
    2 points
  39. Turn Left At Orion 3rd Edition, hard back, perfect condition. @Moonshane has first refusal as a donation to his school's Astronomy club. If he doesn't want it, then free to whomever would like it. Cheers Richard
    2 points
  40. Thanks Shane, I always make sure when recording sightings of objects, as you rightly say there is no point in observing otherwise. This hobby isn't a competition but an exploration of the sky and it's treasures. Returning to objects for a second/third or more view has always been part of my routine.
    2 points
  41. Well done mate, you can't even tell there's a Sun up there here. Dave
    2 points
  42. No worries.. and please, no need to send a copy of your donation, it's all good and very kind of you to donate. Cheers again. Richard
    2 points
  43. My Nikon Action EX 10x50s seem very sharp although I have nothing to compare them to since they are my first.
    2 points
  44. I agree with Les. If you are not sure, keep returning to the object over a period of time until you are sure or until you conclude it's not visible with your conditions or equipment. Otherwise, what's the point in recording it? You are really only cheating yourself. Plus as hinted at above, it's often the case that objects appear or disappear at will according to conditions
    2 points
  45. I can't remember exactly, but you list does look right - there are three distinct types: small ones that go on worm shaft, large ones that go on main shafts (RA and DEC) and conical one that goes on dec where CW shaft extends. I just took mine with me, went to local shop - showed them to the guy and said "I want the best ones like these" - he gave me bunch of SKFs Further "mods" that you could consider would be better tripod (if not pier mounted) and saddle plate. There is one "trick" you might want to try also - but involves just settings. DEC axis can have different amounts o
    2 points
  46. In Nov 2014 we went to Iceland hoping to see the northern lights. An utterly amazing country but all we saw was cloud so our first trip was an aurora failure. We returned to Iceland at the end of Nov this year and were greeted by 40mph winds and a resulting wind chill of -18! However, the skies were clear so aurora watch was on. We saw the faintest hint of aurora on night 1 but the wind was brutal so it was impossible to stay out for long. On night 2 the aurora was far more active, the wind slightly lower but there was high level cloud. We still spent hours enduring the wind amazed at the
    2 points
  47. Hi there, thanks. When i ordered the scope i asked John at OO to fit this focuser for me as part of the order. Its a Moonlite of course ; is it the CR2 ? The one with the fine focus. It has a non standard 60mm drawtube to allow me a greater range of focusing, as a use a dedicated Newtonian Binoviewer with this scope. The focuser also comes with 2 risers : 1/2" and 1" which can be combined if necessary to give even more options. Fitting was easy, once you get the base plate on and screwed in. Fitting the base plate i found rather difficult. One or two swear word
    2 points
  48. Hey guys! I have just tried out my new dslr camera on my SLT 130 Telescope. This image of the Carina Nebula consists of 44x30s subs at iso 1600. This was stacked with 15 dark frames. I might add an extra hour of data and some flats tomorrow to see how it will turn out. I tried my best in processing with gimp as this is my first ever dslr exposure of a dso and I plan to take some better images in the future.
    2 points
  49. Yep, the Japanese made version (the Series 4000) was the one to get. It goes for over $100 used here in the states. Notice the difference in the eyecup. Besides the Japan label, it's the easiest way to distinguish it from the Chinese made version.
    2 points
  50. I've just unpacked this: I couldn't resist. The trouble is the 'collection' now looks like this: I kind of now feel the need to continue until it's complete ("Ouch!" says the bank balance), perhaps if I do so I'll sell off some of the other 'old friends'. Possibly, maybe.......
    2 points
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