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  1. I am sharing with you have another report of M57, this time is an observation of about 1h with a dob 18". I hope you find useful. If you prefer to read it with the support of some images that helps me to explain better myself you can check it in the web: https://theferretofcomets.com/index.php/en/messier-catalog/ Nagler 31mm (70x - 1º 10’ - 6.6mm). The first thing that surprises me at these low magnifications is the shape of the nebula. It is well known for its ring shape with a bright central part in addition to the outer ring, but this time, in addition to seeing it more luminous, what strikes me is its shape at the narrowest edges of the nebula. As is well known it has an oval shape, and if we look at the major axis of the oval, at its closure or turn there is a very bright star, at the opposite end I seem to see that the nebula is not uniform in that part, but it loses a little brightness when making the turn and also extends outward. It is like the image that causes the Saturn nebula, which has a kind of protrusions on both sides of the circle that is the nebula. Well, something like that but only at one of its ends. Like a small fainter halo protruding from the nebula at its end. In the area near the star the vision is similar, but here the bright star makes it difficult to see this fainter halo with attention. In addition both ends appear as if the ring did not close, that is, the shape of the nebula is clearly this ring, however the ring has a very defined brightness and thickness in the short axis but in the long axis of the oval the ring seems to lose brightness and although it is perfectly visible it transmits the sensation that it does not end up closing with the same brightness, as if in that area the nebula was more tenuous. In addition we have these ‘extensions’ on the outer edges of the ring on its major axis that still gives it a more complex structure. I am also very struck by the brightness of the interior of the ring, I had always seen it as significantly smaller and playing with the side view and direct vision, in my old Visac 200L I even made it disappear seeing only the ring. Now it is impossible, it is tremendously bright all the inside of the ring although no more detail is visible. Nagler 22mm (98x - 50’ - 4.7mm) The image does not vary much from the previous one, the object has obviously gained in size, but the image is still very similar. Perhaps now I see the edges of the nebula a little more complex, it gives me the feeling that it has a soft semi-transparent silk scarf above the brightest part of the edge of the ring, so that when this ‘veil’ protrudes from the bright area is seen as a kind of very faint wave that extends a little beyond the nebula, very little, almost half or even a quarter of the width of the bright area of the nebula that gives it its ring shape. It is most significant in the area farthest from the bright star near the nebula. I am also struck by the outline of the nebula because it appears surrounded by stars that I don't think I have ever seen before or not so closely. I try to describe it. First I see the bright star that in the position in which the object is and as I am seeing it is in my lower part of the nebula to the right, then in the upper part of the nebula and in the left zone I see as a first blurred point that when I focus a little better the view I discover are 2 stars close to the nebula. But in the same area to the left but further down, approaching the bright star, I see another star framing the nebula. It is only the uppermost part of the nebula where I do not see any star close to the nebula. Delos 14mm (154x - 28’ - 3mm) Incredible how the image is enhanced by adding magnification. First I am surprised by the ‘surroundings’ of the nebula. The two stars that I had trouble identifying in the previous eyepiece are evident here. To try to describe it better, in my voice notes I use the clock distribution, and I note: if we place the brightest star at 6 o'clock in the nebula the two nearby stars would be at their 10 and 11 o'clock, another new star appears at 3 o'clock, and another one, a little more separated from the ring at 8 o'clock. In addition I seem to see one more star in the area that indicated that the ring was as ‘blurred’, as at its 1 o'clock or near 12 o'clock, but this star is much fainter and is very close to the nebula. Regarding the ring itself, in addition to confirming its oval shape, and that at the ends it is blurred, that is, without continuing with the same intensity of brightness, the outer part of the ring seems to me really complex. In particular in the zone that would be the 9 o'clock of the ring taking as reference the bright star at 6 o'clock, and the zone at 3 o'clock. The zone at 9 o'clock what I see (or I think I see) is that kind of wave that I commented above as a very soft silk veil that protrudes a little more of the ring giving it an even more oval shape. But in the 3 o'clock zone what gives me the sensation is to see a double ring, much fainter the second one, of a minimum thickness, I would say a fifth of the thickness of the main ring, protruding from the main ring. Regarding the interior of the ring, with these magnifications the brightness is not so intense and it seems to me that it is not uniform, so that some kind of granules appear inside it, that is, I am unable to see a flat and homogeneous surface of brightness inside the nebula, but rather a blur of different brightnesses but without being able to define it properly. Ethos 8mm (270x - 22’ - 1.7mm) It's beautiful to put more and more magnification on the object. Now the stars that I saw around the ring are really separated from the object because I have gained a lot of magnification, and I totally confirm the star that was at 1 or 12 o'clock, which is really faint but is confirmed very close to the ring. There also appears a new star that is more or less at 2 o'clock but more separated from the ring. Now I seem to be able to see the central star of the nebula as a tiny dot that appears brighter. I have to use the side view to confirm it but it is indeed there. What strikes me with so many magnifications is that the outer areas of the ring have a kind of ‘hairs’, i.e. the outer edge of the ring does not seem to me to be uniform and completely straight, but has a number of imperfections that makes it difficult to indicate where EXACTLY the ring ends on the outside. I also clearly observe how the size of the bright ring is much narrower at its 9 and its 3 than at its 6 or 12 (taking as reference this bright star), that is to say, the ring is clearly oval but it is that in addition, the thickness of the external bright ring varies according to the zone we see. The narrowest of all is the 9 o'clock region, then it would be the 3 o'clock region, then it is significantly wider at 12 o'clock (although blurred) and finally at 6 o'clock is where it shows its greatest width although again blurred and protruding a little towards the brightest star. Delos 4.5mm (480x - 9’ - 1mm) Although it might seem to me that I am over magnifying, it is impressive to see the ring at this magnification and at this size. It is much more difficult for me to focus the few stars that I can already see but the image is very worthwhile. On the one hand, the faint star at 12 - 1 o'clock in the nebula catches my attention because it seems to me that the nebula is trying to catch it, that is, I think I see a kind of ‘jet’ coming out of the nebula to try to reach this star. Although I doubt this image because the fact of having a star so close to the nebula sometimes distorts the image you see. But I would say that there is that extension of the nebula towards the star. Another detail that strikes me with this eyepiece is the sense of volume that the nebula gives me. As I described with the previous eyepiece the thickness of the ring is not the same in all its path, added to this now I see the nebula bigger and a little more blurred in general (the focus is more complex and the seeing will affect more I guess) so the overall impression is more of volume than of a flat image, that is to say that it seems more 3D and that gives it a beautiful aspect. I confirm everything described above, and I am delighted with this 3D image so suggestive. Delos 4.5mm + Powermate 2x (960x - 4.5’ - 0.5mm) WHAT A CRAZY THING TO DO! I totally freaked out and put the Powermate on with the 4.5, just out of curiosity and I was STUNNED. It is AMAZING how the ring looks at such extreme magnifications. I highly recommend that you do this effort and this madness. Too bad the motors are not tracking the telescope well for me. At these magnifications I have lost much of the brightness of the nebula, particularly in its most central part, but when I refer to the central part, it is not that it is simply the area inside the bright ring, but the central part of the area inside the ring. Because in the part that is close to the bright ring there are areas with brightness, and with such a gradient that it seems that I was seeing ‘cliffs’. IT’S IMPRESSIVE. The ring is tremendously bright, and the inside of the ring its central zone is totally dark (removing the accumulation of brightness by the central star) and therefore it is very easy to delimit if there really is a sharp jump in brightness from a black to a practically white area. And that doesn't happen nearly as much, but there is a gradient, a gradient almost as thick as the ring itself or perhaps a little smaller but significantly larger. That gray gradient, anticipating the black zone, and coming from the bright region is a JOY, because it gives you that feeling of sinking into the depth of the nebula. As if you were sailing into it and it is a simply SPECTACULAR image. The size of the object is BRUTAL. The outer structure I have not been able to define it better, but the image as a whole of the central area is incredible. And the most impressive thing is that I have NEVER, EVER, NEVER seen the ring nebula like this. Now I have the feeling that before I only ‘scratched’ its image, now I really contemplate it in its real complexity and beauty. It is really amazing. I am very happy to have reviewed the Messier objects. What a sense of volume I have in the object and what a sense of depth. It's mind-blowing. Also note that obviously the 18" telescope helps a lot to have this image by the amount of light it collects, but please, if you have the opportunity to use a telescope of considerable size with M57, put all the magnification you have. I think it is something that will make a mark on you. I have been amazed seeing M57 as I have never seen it before in my life. Before I had the feeling that I was seeing something somehow unreal, because it looked too flat in the eyepiece. With these magnifications it is as if I were flying over the nebula and everything becomes much more real. Undoubtedly it is because of that three-dimensional feeling of the different brightness levels. Between the intense brightness of the ring that looks like a donut, or bull to be more precise, since it certainly has volume, and the area of cliffs or slopes that are not uniform but are of a faint gray that is crossed by darker lines that lead to a completely black central area, in which in the center there is a concentration of brightness that playing with direct and peripheral vision can be reduced to look like a dot. It is that set, occupying ALL your field of vision, which makes you hallucinate and see the nebula as you have never seen it before. What a marvel. Clear skies, Israel.
  2. From the album: Starchasing

    First attempt at imaging M57 using an entry-level deep space camera (Orion StarShoot Deep Space Video Camera II). Noisy image but I got the ring with color!
  3. Toxophilus

    M57 - RingNebula

    From the album: Deep Sky Objects

    A prime focus RGB image of the ring nebula M57. I had hoped for a better result but I seemed to have focus issues all night. If I really stretched the luminescence sub-frames I started to pickup details of the nearby faint spiral galaxy IC1296. For more detail the astrobin link is: http://www.astrobin.com/267930
  4. From the album: DSO, Nebula, Galaxies, Comets etc

    Image taken using Canon 100D and William Optics FLT-110. Single 30 second exposure with slight processing in PhotoShop Elements 11

    © Vicky050373

  5. From the album: Deep Sky Objects

    The Ring Nebula (Messier 57) is a planetary nebula in the constellation Lyra approximately 2300 Ly from earh. Planetary nebula are formed when ionized gas is expelled by a red giant star, which was passing through the last stage in its evolution before becoming a white dwarf. Taken in narrowband using the California, France, Hawaii Telescope palette (Hα = Red, OIII = Green, SII= Blue) Unfortunately my OIII data was slightly out of focus the the results is not a good as it could be. If you want to know more the asttobin link is: http://www.astrobin.com/255438/
  6. spaceman_spiff

    M57 3mins

    From the album: Photos from Somerset

    M57 - the Ring nebular. 12 lights frames 10 Darks frames 20 Flats frames 30 Bias frames Nikon D200, 3 min exposures, ISO 1600.
  7. DoctorD

    M57 Raw

    From the album: DoctorD's Photos

    M57 taken with SDC435 at x512 AGC Low using C8 @ F3.3 - raw frame
  8. From the album: Stargazer33's Album

    9 shot manual stack in PS7 of the Ring Nebula - M57 - in Lyre. Subs were limited to 30" due to dec drifting badly even with guiding so ISO had to be turned up to max - 6400 Imaging: C8 XLT, CG-5 GT, Revelation Superfocus 2" R&P focuser, Canon 1100D (unmodified), 1.25" UHC filter. Guiding: Travelscope 70, Orion StarShoot AutoGuider, PHD. (something not working properly here as dec drifting very badly!)

    © 2013 Bryan Harrison

  9. Was about to turn in tonight when I noticed it had finally cleared so I headed out into the garden planless for a quick look around with my recent eBay Hilkin 60mm f13.3. Seeing was actually pretty steady & transparency up high improving all the time. I’m still waiting on the Vixen converter which will allow 1.25 eyepieces so took out the array of .965s which are in varying stages of disrepair. There is something satisfying about the way they slot into the split-cut diagonal with no thumbscrews - shame most of the higher powers seemed borderline unusable. The 25mm though gives a nice crisp view and I congratulated myself on my bargain looking at some lovely tight concentric rings either side of focus on Vega before hopping up to Epsilon Lyrae. Stepping down the focal lengths I was just about splitting the more southerly pair with a 12.5 mm (64x) and not a bad view. The 9mm (89x) on axis confirmed this lower pair & showed some elongation in the fainter, more northerly pair. Kind of dim view though. The 6mm & 5mm were hopeless. Popped the 25mm back in and took a pot shot at M57 which to my delight showed as a tiny but crisp circle. Tried to step up the magnification but it was not happening. Enjoyed a nice contrasty view of Alberio for a while - really do like the tight pinpoint stars, good colour and inky background in this scope. It’s a lovely still, warm night but the town clock striking two reminded me I have work in the morning so I took one last sweep around the rich centre of Cygnus. I landed on a pretty little cluster a bit like a micro-Pleiades & realised I was looking at M29 - a thrill to have tracked down a new-to-me Messier object with this lovely old instrument. I’ve hatched a plan to see how many of the lunar 100 I can observe with the Hilkin - seems a fitting task for it! As I packed up a huge Skytrain of 20+ satellites went N-S behind Deneb - biggest one I’ve seen and amazing in its way. Lovely all-analogue couple of hours well spent.
  10. Messier 57 is is just coming into a position for a decent look around 11 30 pm. IT is a colourful object and I thought it would give me a good target with which to practice my colour developing in PS/Lightroom. I have read so much about how to produce a LRGB image from the four stacked/calibrated luminance, red, blue and green images, a lot seems contradicatory and some, when followed, gave me colour yes, but not as we know it. I am sure a fair chunk must be put down to me. Anyway, I now have a work flow which gives me colour, sometimes resembling what other people have obtained. Progess of sorts. This images is based on 114s subs at gain 139, offset 21. L 39, R 20, G 20, B 19 Calibrated and stacked in DSS (flats, dark flats and darks) Messier 57 Ring Nebula in Lyra NASA: M57, or the Ring Nebula, is a planetary nebula, the glowing remains of a sun-like star. The tiny white dot in the centre of the nebula is the star’s hot core, called a white dwarf. M57 is about 2,000 light-years away in the constellation Lyra, and is best observed during August. Discovered by the French astronomer Antoine Darquier de Pellepoix in 1779, the Ring Nebula has an apparent magnitude of 8.8 and can be spotted with moderately sized telescopes. Equipment: Celestron 9.25 XLT at F10, Skywatcher EQ6 Pro GEM, ZWO 1600MM Pro, ZWO EFW with ZWO LRGB filters, QHY5IIC guide camera on Skywatcher 9 x 50 finderscope, Celestron Focus Motor Software: Ascom 6, Eqmod, Cartes du Ciel, AstroPhotography Tool, PHD2
  11. My first attempt at M57. I attempted to capture the extended halo by gathering some OIII and Ha data and then blending these into Blue and Red channels, respectively of an LRGB image. The image below represents about 21 hours and was taken with my Esprit 150. Alan LIGHTS: L:13, R:13,G:8. B: 10 x 600s; Ha:13, OIII:14 x 1800s. DARKS:30, BIAS:100, FLATS:40 all at -20C.
  12. Tonight was the best night out in a long time. The last couple of days the sky has been crystal clear, and today is friday, which meant nothing was on the schedule for tomorrow. Scope, filters and eyepieces: Today, I was using my one and only Skywatcher 10" dob, with my collection of explorer scientific 82 degree eyepieces. For the first time in a long time, I also used my CLS filter. Targets/observing: Before I headed out, I decided to have a look at skysafari 5 to see what I should have a look at this clear evening. Tonights list ended up including: M13 M92 M57 M27 M13 looked fabulous as always, but I can't quite bag the propeller. I was resolving stars nicely, even a couple in the center, when using averted vision. I think M13 looks the best at 136x and sometimes at 255x, however most of the times I think the image is too dark when observing at 255x. M92 was a surprise. Locating it was surprisingly easy, as I through the finderscope could just see it as a little faint dot. Looking at it through the scope was amazing. It was not as big as M13, but at 136x it looked very nice, and sometimes, it almost looked like the stars formed a smiley:-) Surprisingly I was also able to resolve a good amount of stars in this cluster, but not as many as in M13. Now I know this wasn't on the list but I thought I had to give it a go when I saw it on skysafari. NGC6229! Also located in Hercules, and via starhopping also easy to find. This was the smallest one of them all, but the most rewarding since this was my first object from the New General Catalogue (NGC). I was also using 136x at this target, because this is the most comfortable magnification in my opinion. I was only resolving one or two stars in this target, but it was easily visable, just as a bright smudge. M57 is by far my favorite object (out of the few objects I have seen). The contrast and shape of it gives me the WOW feeling everytime I observe it. Now this target I was observing comfortably at 255x and it looked amazing! Now this was where it popped in the CLS filter which almost made it look like the red outer-part of the nebula was visable, but this faded soon after. While observing this target for about 20min I was thinking if a UHC or a OIII would give me better or the same views? M27 was kind of disappointing, but I just think I have overestimated how it would look like, but it was still a very nice view it gave me at 136x and 85x. The dumbbell shape became more visable over time, but I think the thing I like more about M57 compared to M27 is the contrast between sky and nebula. In the end it was one of my best nights I have had with my new (5 months old) scope. I have yet to try it at my grandma and grandpas' where the milky way is visable, and I am very excited to do just that. Clear skies! Victor Boesen
  13. Hello SGL , this is my first new topic and it is in relation to M57 in Lyra ... I have tried to see this Nebula in different scopes since starting " telescope astronomy " a couple of months ago but to no avail so far ... Might it just be the time of year with no truly dark skies in Midsummer ? I have had much more luck with DSOs in the form of star clusters , like for example the M29 in Cygnus last night while trying to find the Nebula near by ( again to no avail ) ... The equipment used last night was a Meade Infinity refractor 90mm 600mm f/6.7 and a 40mm Plossl for wide field views .
  14. This target is a pain to process. The dynamic range is huge; it has probably more dynamic range than the Orion nebula. I'm still not quite satisfied. Too aggressive deringing during deconvolution made the stars too soft, and they won't reduce properly. This means having to start from almost scratch to get it right. Still, not too bad so far either. Comments welcome. Data from the Liverpool Telescope on La Palma. This is a HaRGB combination with various exposure times for rgb. Ha at 120 sec/sub. Pixelscale 0.28" per pixel; aperture 2 m
  15. Evening everyone , Does anyone know the magnitude of the faint star just outside the Smoke Ring of M57 . Before the clouds rolled in tonight I was trying a new ES 8.8mm in the 200P and M57 looked really well at X 136 magnification , then the thought occurred to try it in the X 2 Barlow which gave a magnification of X 273 and , lo and behold , the Nebula was still clear but this time I could detect a faint star just outside it ( about 1 pm position ) Initially , the reason for trying this high magnification was to try and see the faint centre star but this was not possible tonight ... If I knew the magnitude of the peripheral star compared to the central star , then I`d know if it was possible to see the central star at all ( maybe in darker Winter skies )
  16. Hi all thoughtt i'd capture the OIII data for my Dumbell image tonight. I was very lucky towards the end of the run as cloud came flooding in but for some strange reason didn't invade my ounce of sky, despite most of the rest of the sky being covered.. Lucky me!! So.. Taken through the 127mm Apo, guided by the 102ED and imaged on the Atik 428EX through an Astronomik 12nm OIII filter. 120min of data in 12 x 600s subs, binned 2x2. I shall be grabbing much more data in all channels, but i think this is a pretty good start for now, albeit slightly out of focus... Not doing too bad after having about 18 months out. Rich..
  17. I imaged Neptune with my C9.25 and when I finished I thought that I would try a little experiment. Using the C9.25 I imaged M57 with my Canon and 90 20sec exposures with no guiding, flats, darks or bias frames just to see how it would work. DSS stacked 72 of my images and this was the result. Not brilliant but not a disaster either. Obviously not as good as stacking long exposures but it's interesting to see what 24 mins total exposure time can produce. Peter
  18. Hello all Just thought I was post a couple of pictures from a complete newbie. Hope you like them. http://www.astrobin.com/users/gerald%40evans/ Kind Regards Gerry
  19. Hello First passage in this section with three nights of test with the QHY5III-178m in deep sky. Target : M57 I made the images and the first treatments but one of my deep sky specialist colleagues Christian Dupriez (http://www.astrosurf.com/chd/) made the most of these images and even colorized. First night : 5 july 2016 bin2 : One of the film : And Christian's treatment : Second night : 29 july 2016 : Bin 2 Christian's treatment at 150% : And his colour version : Last night : 04 august 2016 bin 1 Film's one : Final Christian's treatment and colour with a reduced HST version : Click on images to full resolution. Clear skies. Luc
  20. Image of m57 captured in Zagreb on 27th of April. Telescope: Sw Mak 102/1300 Mount: old black Eq6 Camera: Canon eos 700d unmodifed Exposers: 62*20sec
  21. More Liverpool Telescope data I am afraid, but what should a Swede do when the sun has decided to make the nights into twilight this time of the year? For those that may have missed it the Liverpool Telescope is a remotely controlled 2 m RC scope on a mountain top on La Palma, Canary Islands. This image contains more Ha data than most of the others I have processed, which helped a lot to reveal the outer shells of this famous planetary nebula. This is a HaRGB image while most of the other high resolution images of the Ring that I have seen are narrow band images, which may make this one a bit special. The big galaxy is IC1296 and there are a lot of faint fuzzies in there for which I have no names or numbers. Filters and exposures used: sdss-r 17 x 90 s Ha 15 x 120 s (mixed 50:50 with sdss-r for red channel) Bessell B 21 x 90 s (blue channel) Bessell V 16 x 90 s (green channel) So totally 1.85 hours of data stacked in Nebulosity 4 and processed in PS CS5
  22. Firstly Happy New Year everyone! Afraid I'm far from a frequent poster here on the forums, my last deep sky image through a scope was a DSLR image back in March 2012 ... around the time I stopped using film ... better late than never. Since then I have just made the move from DSLR to CCD during Spring 2015 and thought I would share my first finished effort, image files have been in my computer since September ...just a fun experiment to see what could be resolved along with image scale, the image scale is 100% but cropped very slightly due to stack overlap so about 95% of total sensor area. Colour wise this is my first LRGB aiming for rustic/teal which I feel is more natural ...rather than red/blue, also trying to retain subtle detail as best I can at this FL. and limited number of subs, thanks for looking, details below. APM 175mm Refractor (barlow to FL 3780mm)Atik 414EX (mono) at -20'C / Bin 1x1EFW-2 Astrodon E-Series LRGB filtersMultiple exposure between 15s & 300secsSequence Generator ProDeep Sky StackerPixinsightCS6 ExtendedM57 Ring Nebula NGC6720 by Mike Dickson, on Flickr
  23. The Ring Nebula on not-as-clear-as-forecast night in London. M57 was the best available target to image through the murky sky but it's come out much better than previous attempts. 17 x 4 minute exposures at 800 ISO 3 x 8 minute exposures at 400 ISO16 x dark frames10 x flat frames46 x bias/offset frames92 minutes total exposure timeGuided with PHDProcessed in Nebulosity and Photoshop
  24. This cropped image taken on July 2nd 2015 is part of a series of experiments in testing and using a guided telescope in order to achieve longer exposures and lower ISOs. 17 x 1 minute exposures at 800 ISO 10 x 2 minute exposures at 400 ISO 1 x 8 minute exposure at 100 ISO 11 x dark frames 15 x flat frames 66 x bias/offset frames Processed in Nebulosity and Photoshop
  25. This is a reprocessing of data taken on 1st August 2015 in order to try out, learn to use, and see if Maxim DL is any better than Nebulosity. It's hard to say for sure which is the best at this stage as both have their pros and cons but I quite like the result of this test on a nice easy target. 17 x 4 minute subs at 800 ISO 9 x dark frames 11 x flat frames 24 x bias/offset frames Post processed in Photoshop
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