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Found 151 results

  1. Hi guys, Scoured Amazon and other book shop reviews for the best book on DSLR imaging and am looking for your opinions. I'm not interested in CCD imaging but understand most books will have sections on this but want to hear from people who have actually used them and are not reviewing the delivery times! Any recommendations would be gratefully received. Clear skies
  2. I am taking a slightly different direction with my observatory and imaging, and so I must regretfully offer my GSO RC scope for sale. The Carbon Fibre version, apart from looking very sleek, is much less resistant to changes in temperature, thus reducing the need for frequent collimation The telescope was purchased new by me in August 2012 and I purchased it with the Baader SteelTrack focuser upgrade. There have been no other modifications. The scope has been kept in my observatory – it has only been to three star parties as I recall. While in the observatory it has been kept capped and covered when not in use. The mirror is blemish free, apart from the usual collection of dust! The telescope was purchased new by me in August 2012 and I purchased it with the Baader SteelTrack focuser upgrade. There have been no other modifications. The scope has been kept in my observatory - it has only been to three star parties as I recall. While in the observatory it has been kept capped and covered when not in use. The mirror is blemish free, apart from the usual collection of dust! The specification is as follows: Aperture: 204mm Focal Length: 1624mm Focal Ratio: f/8 Included in this package are the following: Aluminum storage box (not pictured) Red dot finder 25mm and 50mm M90 extension tubes Collimation Tilt Plate Price: 725 GBP The following are also offered for sale, first refusal is given to the purchaser of the telescope Baader Steel Drive Motor Focuser + Handset *: 130 GBP AP 0.67 Reducer: 140 GBP ADM Losmandy Plate: 40 GBP ADM Vixen plate: 40 GBP Howie Glatter 635nm Laser + 2 reticules: 110 GBP StarSharp Bahtinov Mask: 15 GBP Gert Neumann Aurora Flat Panel inc power: 90 GBP However, if someone wanted the whole package then the price would be 1,275 GBP I would prefer the telescope to be collected, or I am happy to travel to meet the buyer. I will obtain courier pricing (insured delivery) if required, but the buyer assumes all responsibility More images can be seen at http://darrenjehan.me.uk/for-sale/
  3. London is in a cloudless heatwave at the moment so I took this opportunity. I did take some barlow shots but I didn't consider those up to much. Tried a slightly different image blend. Should have shrunk the prom layer slightly really but we'll see how this goes...
  4. Hey guys Just wanted to share my latest go at imaging Saturn. This was the first time using my ASI120MM on Saturn. The image was taken with an Orion XT8G + ASI120MM + 3x Meade Barlow + Astronomik IR742. Date: 30th June 15 Time: 9:05pm PIPP + AS!2 + Registax Any feedback would be great. Saturn by Enrico Danieli, on Flickr My previous image was taken 10 months ago with a Logitech C200 webcam. I'm very happy with the improvements.
  5. Last night the Pima County Parks and Recreation Department decided to have their latest periodic night under the stars as a night under a full moon. Well, I intended to show off the moon for a while in the Mallincam Junior, then switch over to M13 for what I knew would be a pretty small crowd. Bottom line, we could do so much teaching with the full moon, never got off it. I used it to collimate the Telrad at the start, never left it. My partner for the evening Byron was using his refractor on other objects for eyepiece viewing, but the excitement of the gorgeous views on the monitor was, frankly, astounding. I had a poster set I'd made up earlier with Lunar information, like how phases come about, names of key objects in view, explanation of a lunar eclipse (moon rise was over a low ridge, just late enough in Tucson to miss the entire penumbral eclipse), and features like Lunar Poodle, Lady in the Moon, and Lunar Rabbit. Setup was a 10" Meade SCT at f/6.3 plus an Antares 0.5X reducer on the Junior, and a Celestron lunar filter in the chain as well. Even so, I had to set the ALC to 1/10000. But the contrast in details was awesome. The image size was surprising, since I could only get about 1/3 of the moon onto the 13.3" monitor at the time and which, by the way, I had to turn the brightness down to about 10 to get the final contrast improvement. But the image was better than any book picture! So, for about an hour and a half, the gorgeous moon and CLEAR features (Lady in the Moon was quite striking, although my wife thinks it's more like Elvis). We talked about everything lunar, solar system development, Late Heavy Bombardment and early crater formation, the overlay of Tycho's rays on top of other features, libration, the difference in texture of the Earth-facing side vs. the "back" side due to the Earth's gravity pulling the early molten core closer to the Earth side, the change in the length of the Earth's day and distance to the moon over the last 3 billion years, religious meanings in the lunar cycles in some cultures and more. Quite an exciting night with about 50 or so visitors, and Byron was doing a great job with his setup on the rest of the cosmos. Good Old Mallincam Junior did GREAT. Have another solar and lunar show and tell this afternoon and evening for our club's Family Observing group for four to eight year olds, and tomorrow night for university astronomy students. Usually I'd be hauling out the 18" dob for showing eye candy, but the moon is sure a welcome change of pace.
  6. ASI120MC, 200P, NEQ6 Pro, Televue 2x Powermate. Best 1300 frames of 1500 captured in sharpcap 2 at max resolution and frame rate and stacked/tweaked wavelets in Registax 5.1. Second time using the ASI120MC and still need to get used to it. I have just recieved and fitted a moonlite focuser since taking these and the DC motor should arrive tomorrow which wil be great as it takes ages focusing by hand and waitng for the scope to stop shaking only to have to tweak the focus again! Anyway, comments/help welcomed Capture 25_11_2013 22_37_01 by Gattouomo161, on Flickr Jupiter 25_11_2013 22_23_35 by Gattouomo161, on Flickr
  7. Hi all, Sorry if this has already been covered but I have just got a beginner scope with a standard eyepiece fitting. I would like to capture some basic images of the moon , jupiter, saturn and any other good easy objects that you can recommend. Perhaps a galaxy or cluster. Anyway I am stuck as where to start and would appreciate any help and advice regarding the easiest method to get good basic results. I have heard you can use digital cameras, DLSR cameras and even webcams but where do I start? How do I even attach a camera to my scope and how would I do this without losing the magnifaction, if the camera is in place of the eye piece? Any advice would be greatly appreciated. Richard
  8. Hi there, I was out imaging the Sun with my PST earlier & all was fine until the IC capture software crashed whilst taking an AVI. As I restarted the program the following error message keeps popped up - The device 'DMx 21AU04.AS (27110486)' is in live mode, but does not seem to deliver images. please try to choose a different format or try reconnecting your device to your computer. I tried reconnecting with no joy & it only lets me record in Y800 so I can't change that. I uninstalled the program & reinstalled but it's still the same.No matter what i do the same message keeps popping up & I'm now out of ideas as to what it could be so I even tried googling the message to see if any solutions came up but no joy. I'm unable to understand what is going on & it's a little bit frustrating as it was working one moment & now it won't work at all. Has anyone out ever had the same problem & if so, how did you resolve it? I'm hoping to get it sorted today so that I can try & image Jupiter tonight. Thanks in advice for your help & advice, Jeff
  9. Hey StarGazersLounge Forums, I am an amateur in astrophotography and have so far taken photos of the Moon and some planets with my camera. However, I am looking for a major upgrade in order to take astrophotography to a professional level as I have long been passionate about astronomy. My overarching aim with astrophotography is to take high quality photos of many planets and continue my interest with the universe. I would be very grateful if anyone could recommend the best set up regardless of the price at the moment as I will work from there. This includes a camera, mount and eyepiece for the Celestron 8se etc so I can get a good idea of what I need to get some amazing planetary shots. By the way, for the camera, I am considering the Sony a7r iii (good choice?) for astrophotography and nature photography as well. Any form of advice would be much appreciated. George
  10. Hello good people! After using EQ2 mounts and imaging planets for almost a year, I think it's about time for me to start imaging DSO's! I think I can just about afford to get the skywatcher 150p on EQ3-2 mount. Will the mount be ok with a dslr or should I wait a while and get the 200p EQ5? The HEQ5 mount is just too expensive for me, unfortunately. I would just like to know if the EQ3-2 or EQ5 is capable of imaging DSO's Thanks!
  11. Firstly I would like to say a big thank you to everyone who posts on this forum. I restarted this hobby in November 2017 aged 49 having last viewed the stars as a kid using a pair of brass binoculars. Having joined SGL I have been an avid reader lurking in the background picking up tips, tricks, ideas and methods and so this is what I would call my first serious post. Stargazing has been bit hit an miss since i purchased my Celestron Nexstar 6SE. In fact I joke that when I bought it the skies clouded over! Not to be deterred, I read that it is possible to view the sun through a telescope and despite all the warnings I thought I would give it a go. First up was my homemade Solar Filter which I made using the guidance notes from the Sky at Night Magazine. It was made using Baader AstroSolar Safety Film ND5 purchased from the good guys at FLO along with black A4 160 gsm card purchased via Amazon and a whole load of single and double sided sticky tape. Cutting the card into 5cm strips and sticking them together to form one long strip allowed me to wrap the card around the circumference of the scope three times to create a solid ring. I then cut the safety film to size and then offered this up to the ring sticking down the overlapping film to the outside of the ring careful not to touch the film itself. A second ring made of similar card strips stuck together was then applied to cover the overlapping film. A picture of the filter on my 6SE is below and as you can see it was necessary to cut out a 'notch' to accommodate the vixen mounting bar. 160gsm card is pretty tough stuff, especially when wrapped around six times so a pair of wire cutters did the trick. I later added two elastic bands around the ring to ensure that it remained securely on the scope. Both Saturday and Sunday (21 and 22 April) were very bright days and at 12.50pm I took the first image using my Nikon D90 mounted directly to my 6SE. A Celestron F6.3 focus reducer sat between the scope and T-mount/D90. This is single image at ISO 200 with the shutter set at 1/160th sec. Sun spots are clearly visible at the 10 o'clock position. The following day I used the same set up at 11:46 am but used the LO 1 ISO setting with the shutter set at 1/500th sec. Again sun spots are visible but have moved lower. The two single images were 'processed' using Photoshop Elements 2018. To be honest I tweaked a view knobs and moved a few slides to come up with what I have submitted today. Processing is a bit of a dark art and so the 'Dummies Guide to...' is sitting next to me as I type. I hope you enjoy reading this post and viewing the images and I would really welcome your honest feedback. It's not the Horse head nebula but from small acorns....... Cheers, Hughsie
  12. I would like to ask about solar imaging cameras, I am about to pull the trigger on one soon, I see them pop up on Astro Buy/Sell here and there but will buy new if I have to. I would like to know about interface, many recommend USB 3.0, but it so happens that every time I see one pop up like the ZWO ASI120MM it is 2.0, the one with the “S” designation is 3.0. I understand 3.0 will be faster but is 2.0 a deal breaker? 3.0 is fairly recent, many of you have used 2.0 cams for years. Is there enough justification to give up one at a good deal in favor of a new ZWO ASI120MM-S? thanks all!
  13. I am in the process of setting up an astrophotography and imaging group just outside Filey in North Yorkshire. Having recently taken delivery of an observatory together with a fixed pier and currently awaiting a quote for the concrete plinth. I am hoping to break ground next month with the observatory being "functional" by the Summer. Please note this will NOT be a visual astronomy group as such and instead, will primarily be for astrophotography with the intent of learning and sharing techniques together. Lots of work ahead and this post is more of a "feeler" to discover nearby interest. I met a wonderful chap in Bridlington around 3 years ago having bought a dual saddle from him but sadly, cannot remember his name or exact location as a hard drive crash meant I lost all contact details. It is knowing someone like this relatively close by who could assist with the "little things" like EQMod, oversee the pier placement (before I cement the bolts in incorrectly), drift alignment .... ie someone who has already been through the initial stages. My end goal will be one of fully remoting the observatory and this may even progress to remote sessions over the internet. I do like a good challenge I will be charting progress in a blog on my homepage. Best wishes, Steve ps with huge thanks to York Astronomical Society for their help and advise getting me this far
  14. So here's a thing - it seems to me that astronomy is one of those not very straight forward hobbies. Last night I though it would just be the same as Friday night - set up, look at the moon take some pictures! Simples... Aw but not to be!! I'm good at setting up in the daylight, get my mount bang level (checked with electronic level app on phone...) Get it facing north with my beautiful brass compass and enter coordinates back to Kidderminster from Thame, then you would think just observe... Nah! Moon very wobbly with tinges of green on the edges... Barlowed it and got some superb views of Gassendi and the Hippalus Rilles albeit a bit wobbly... Then the tree came so I thought check out Jupiter the other side of the tree with the camera. Once again folks it appears I have a great deal of Astro luck! Couldn't find Jupes at first, camera in and out of diagonal, EP in and out of diagonal... Shall I just go to bed? Then just before my capitulation - Boom she appears as a large white circle! Mmm something to work on I thought... Messed with the Gain and Exposure, what's Gain mean? Now it's a smaller white ball no moons... Then after another stop and start - Boom!! a ball with bands on... Hello Jupiter my old friend I whisper like a sniper lining up a kill! Brainwave, blue filter! in she goes and Boom again deffo a Jupiter view (although very wobbly) Quick action - click the 'take a picture or million' button... Next quick, take a video or million button. Amazing here I am with a table chair laptop wonderful AVX mount and my Starwave 102 doing EAA.... It's not that clear and it looks like a black spot just above the main band... Er it couldn't be could it? Could it be? Not another transit surely.... Run indoors get the phone check my Jupiter moons app and Bingo is Io, only Io transiting Jupiter... Wonderful how lucky am I? I call my girlfriend down out of bed, look look she's sat at the table looking and and "can you get the image any sharper? Oh that's funny I thought the band's go horizontally".. a quick turn of the camera in the diagonal and she's happy! Flipping heck is it me how can she not be doing the I've just bagged a great target dance?? Amazing, another example for me of when things don't go perfect at the beginning, decide it's better to just give up and then a little while later having a wonderful moment. This hobby never lets me down! So today the result of all that is I have a million pictures (exaggerate a bit there) and not a clue what do so with em apart from maybe trying something I heard of called deep sky stacker... Should be interesting later. What a fun night in the end... never give up hang in there the joys are just a moment away.....
  15. Well, I have captured Saturn for the first time and it’s a rush, but unfortunately, the universe conspired against me tonight. The full moon was about 40 degrees away, it was hazy making stars look like they were boiling, and squadrons of mosquitoes attacked with Kamikaze like zeal!. I slapped myself silly but they eventually ran me out of my backyard, cursing all the way inside. Hopefully next time seeing will be better and I’ll spray myself with repellent, and boy do i need to get my focus correct, i need a mask.
  16. Thanks for the previous advice folks... So moving on from my first two outings with the ZWO i decided to have a go at Jupiter (see attached) Now before you comment I realise that this is a pretty poor image in lots of ways, however, the purpose of showing it, is that hopefully I'll be able to put another side by side in a fews years showing some progress and understanding regarding imaging? I downloaded several imaging programs yesterday following advice for which I'm grateful. Now some programs look a lot more complicated than others so I ended up using Sharpcam and Registrax3 for my image... I will look at the others when I have more time I promise... Today, I'm reflecting on yet more new terminology I hear of... I think I get Gain and Exposure, even darks I understand... But wavelets, Align points and load flatfield are new terms that sound like the devils work to me... I must just reiterate that the purpose of my ZWO purchase was to do live laptop based observation, or Electronically Assisted Astronomy, but I am really keen to use the instrument to part of it's full potential, hence my venture into technically challenging world ? One thing I did learn of a YouTube clip yesterday was to change the image size before capturing which has resulted in me actually being able to see a finished image which at least can be recognised as Jupiter! Here's an additional Question - Most people recommend Fast scopes for imaging... I see a fair few people use 130, 150 Newts... Skywatcher do a new pds Newt model which they state has the secondary mirror slightly closer to the primary which helps Astrophotography. Why wouldn't (other than cost) would you buy the 200 version? this would be more bang for ya buck yes/No? It's a big post, but it's a huge subject........ P.S Where's the Astro imaging school??
  17. Hi all..any tips on imaging Saturn please...im quite at ease with Jupiter but I find Saturn a pain and not at all easy..the only time I got the Cassini division quite bold it disappeared behind a tree before I had time to start imaging.. I use a celestron 8sct with a Skyris 236m..using rgbl baader filters..ive been trying about 50 fps and a imaging time of about 2 mins per channel..i set the gain/exposure to get a whale shaped histogram..any more ideas?
  18. Cross post from other forums, so sorry if somebody already it) Good day, dear astronomers. Read the forums for some time, but now i'm in need of some advices. My only experience in AP is from reading many forums and specification of different hardware, so i can count me as noob) And only year and a half observing stars, moon and sun with my 130mm newton). First of all, wanted to say that I live in Ukraine (Odessa to be precise) and one of my friends will be returning here for holidays from NY. So I decided to ask him to buy me some equipment there because its near to impossible to get something decent hardware here in Ukraine (we only have some celestrons, arsenals (gso) and entry-level sky-watchers and other entry level observing equipment (mostly dobsonians and newtons). So the point is that I need to be very precise with my decision on what parts exactly to buy, cause I wont be able to return them (in near future) if something wrong with them, or if I miss some crucial small details. Also wanted to mention that besides AP, I want to use it sometimes for observing moon, sun and large DSOs... 1) On telescope I think I decided already - it will be either this or this - highpointscientific.com GTF81 or this highpointscientific.com GT81. First one comes with built-in flattener (but I don't undertstand one thing - description says its f\5.9, but in specification it states f\6.6). The second one comes with separate field flattener\reducer which takes it to f\4.7). I don't really know what should I buy between those two. Both those comes with mounting Rings and carry handle. First I wanted to take orion Newton astrograph, but i decided against it, because some people said that its bad idea to take reflector as first AP setup, so big thanks to those people!). 2) Mount - here where I really need an advice cause there are plenty of them... I read countless forums, and amount of information confuses me very much. Its also very hard to decide cause nowhere here i can see them and i can only rely on forums or youtube videos. SO after several weeks of lurking i found several mounts. a) Vixen Sphinx SX2 - there are a lot of vixen mounts out there, so its hard for me to choose. iOptron iEQ45 Pro - same here, many iOptron mounts, very different opinions on them as i read on the forums. c) Orion Atlas Pro - another suggestion i found on the forums. d) and the last one which i find the most appealing(!) and also many good reviews about this mount - Losmandy GM-8 - many good reviews and also i found some pretty photos out there in astrobin with this mount. But i want to be sure here.. i assume that WO-FTG will fit onto gm8, right? or i will need something in between(sorry for dumb question) and about the mount itself - in optcorp link it shows that it comes with a tripod, which is around 200$ (so obviously mount alone is about 200 less). Do i need to order mount separately and order better tripod for it? Another thing that concerns me - should i get GeminiGOTO system for this mount? it adds a lot of money, tho i don't sure if i need it... And how does that digital drive on the mount operates? Can anybody give me a link or tutorial for losmandy mounts setup for AP without GOTO system and how does it work with PC? 3) Guide scope - WO Guide scope, tho it comes with rings, which are already exist in WO GTF or GT models of scopes. Maybe there are better ones there, so i can be open for suggestions. 4) Camera - here I'm confused also, but found some good reviews on new ZWO 1600 camers (with cooling). Color and monochrome ones. I cant decide which one to take, but thinking about monochrome one, cause there is a good chance that i can find filters here. If you had some experience with other cameras in same price range, i will be glad to hear which ones)). Also it would be cool if you can advice me what company should i take filter from? I know about astronomic, baader and thousand oaks. And how exactly do they connect to telescope? I know that's between camera and telescope itself, but how they differ in connection types? I can just plug them? (sorry again for dumb question) 5) Diagonal for observing - found some models (also read that mirror is better then prism, but also price changes too). From Vixen there is Vixen 2" Dieletric Coated Diagonal 50.8mm and more pricy one is from AP - mirror (i assume later one is mirror, so that's why its so expensive). 6) + some more eyepieces for observing, but i think i can find some for moon and maybe sun. 7) And solar filter.. I'm not familiar with filters for refractors(. I have one filter for my Newton right now, but it works like a cap. Is it the the same for refractors? or they can be like special filter for eyepiece? I think that's the only questions i wanted to ask for now, but i'm sure there will be a lot more stuff to ask) Sorry for the wall of text, i hope i could express my thoughts correctly, my English as you can see still sucks). Thanks a lot in advance and for your answers) PS also important thing that i don't wanna miss some cruicial things, that i couldn't order later here. I'm afraid that i might miss some cable, or plate, or something while ordering)
  19. Hi all I am at an "astronomical junction" in which I could really do with some valued advice from fellow astronomers. I have been having sleepless nights for a while now stressing backwards and forwards about what astronomical move to make next. My current set up is as follows: HEQ5 with a Skywatcher 80ED PRO Imaging through DSLR / Celestron Next Image planetary imager DSLR / Camera tripod for wide filed (non tracking) milky way work. I have been happy for a while with this set up, but to be honest, with not having a permanent pier, observatory, it's becoming a bit of a labour of love to drag it all out when we get a clear night, (spend 50 mins setting it up) then the clouds roll in..Grrrrrrr I am city based, so I can just about image some of the more bright DSO which I have been really happy with. My question is now what to do next, as it's becoming more frustrating going though the same motions overtime I want to quickly look at the moon. Here are my thoughts so far: Take a step back from Imaging for a while and focus on a investing in a nice 10" Dob and a great set up eyepieces and fall in love with the visual side of imaging again. Invest in a Skywatcher Star Adventurer for better wide field Milky Way work, and maybe add a small scope to this for bright DSO? Or go the other way: Invest in a 8" Cassergrain and mount this on my HEQ5 mount and focus on planetary / lunar work with a good quality web cam? I have had reflectors before on this mount, and to be honest the size and portability didn't work out to well. Maybe even do some planetary / Lunar imaging through the Dob? Tracking Dob perhaps? Arhhhhhh My dilemma. Is anyone in a similar position out there? or has been? city dwellers who have made a change of astronomical imaging based on their surroundings? time to set up and didn't have a permanent base to observe from? Thanks in advance all Ben
  20. Hey SGL, I have been wanting to get into imaging and have recently purchased a used converted webcam to use with the scope, at the moment i don't have GoTo but i am going to look at getting the upgrade kit for around £300 but naturally i am a little hesitant as i don't think I have taken everything into account! Currently i have: Current Kit - SW 150p w/ EQ3-2 - 2x Barlow - Various EP's - Webcam (arriving soon) Looking to Purchase - EQ3-2 GoTo Upgrade Kit - Some sort of power supply to work with the GoTo Other than a laptop are there any other bits of kit i will need for a basic imaging rig that i haven't thought of? Thanks
  21. Hey all, just wondering if any of you people have ever decided to have your efforts printed out onto canvas? If so what was the result? Any issues with image size / print resolution? Thanks Adam
  22. I was imaging last night after midnight and the seeing settled down and I was able to take one of the highest resolution images I have ever taken. I am using a 10" APM Mak-Cass with an APM 0.6 focal reducer and a QSI 683-8 WSG. This is on a PMX. The LRBG was 300x10 L, 300x2 R, 300x2 G and 300x2 B. I needed to take more colour but dawn intervened. I measured the FWHM on the combined mono as 1.6 arcsecs which is the best I have seen. One of the images had stars at 1.4 arcsecs. The image has been LR processed and needs more colour but I doubt I will see that good resolution again. But you never know.
  23. http://www.astrobin.com/73519/0/ I've never seen M45 in this way. Can someone tell me what I am seeing? Thanks
  24. Was out last night and got to play with my new toy (an iNova PLB-Mx camera) for the first time. Jupiter came out from behind the clouds, so that was my target. Took quite a few videos, varying from 10 seconds to 45 seconds and attached is my best attempt at stacking / messing about with the image using Registax. It isn't up to Hubble's standards, but I am quite pleased with it . I can quite easily see how people can get carried away with this imaging / post processing stuff, as I am dying to get back out there and get some more shots, with probably longer runs and playing about with the gain / exposure time settings, not to mention improving my focusing technique . I was not brave enough to put a Barlow on, or try out the filter wheel. Think I have got to learn to walk before I go for a run . Just need those clouds to [removed word] off now........
  25. Hello everyone! Been a while since I've visited the forum, but just recently taken my first images of Mars, and wanted to share them. It was quite a battle to get these images - I've battled my scope being moved upstairs (construction work at our house), preventing any astronomy, my motor drive running out of battery, my RA axis coming loose, and my parents' laptop crashing, but I have finally got the data! Taken with DMK 21AU618.AS at focal length of 4,000mm, through my Explorer 200P. IrRGB, with about 10,000 subs of which 3,000 stacked, before being edited in PS. There are still some obvious colour errors, which I will try to fix, but for now, I'm quite happy with the result! As usual, any constructive criticism is always welcome! David
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