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Found 169 results

  1. This planetary grouping from 20th March around 5.30am shows Saturn to the left with conjunction of Jupiter above & Mars below, sharp eyed may also see... Io, Ganymede & Callisto in a string just right of Jupiter. Image taken from Lesmahagow, South Lanarkshire looking toward the SE. Pentax K1 / Pentax 67 165mm lens / Exp. 2 secs @f8 / iso 200 Ioptron tracker at siderial.
  2. hey guys i have had my celestron explorascope 114 az for around 5 months and i have seen saturn and jupiter through my 3x barlow and 20mm eyepiece and it was a bit small to see. i recently bought a 2x barlow, a 6mm plossl eyepiece and a 15 mm kellner eyepiece along with some filters. i was wondering what would be the best for viewing saturn and jupiter (mainly saturn) if there are eyepieces that you can recommend can you please send a link to a shop were i can buy them from. Thanks
  3. I'm currently on my annual leave in Italy and the sky has been clear all day with no air turbulence. The telescope is out - of course - and I managed a session before dinner. I thought about sharing some photos taken with my phone and a couple of sketches.
  4. MarsG76

    Saturn 17Aug2019

    From the album: Solar System Objects

    Saturn imaged on 17 August 2019 using a C8 SCT, Skyris 618C at f33.

    © Mariusz Goralski

  5. Hello All, Sharing with you my best images of Jupiter and Saturn for this year. I haven't had the luck of a High Pressure system with no wind speed yet, but on the 17th it was as close as I had for planetary this Jupiter/Saturn season. Not my best images of the gas giants ever but ok IMO. I'm happy to see that the GRS seems to be repairing itself, last time I imaged Jupiter, the border around the GRS looked like it was breaking up so perhaps it'll be around long enough for my kids to see in the eyepiece. Captured at f33. Images consist of the best 15% frames from 13x60sec @ 60fps for Jupiter and 13x120s @ 30fps for Saturn, derotated in WinJupos. Clear Skies, MG
  6. Hello Astronomers, On the 12th August, between 18:34 and 19:21 we had a occultation of Saturn by the moon. Of course I couldn't miss out of such a event so I took the day of work and setup my gear so that I could simultaneously capture the event as well as observe it. I had the SCT recording with the 618C while observing it in the dob... literally at high power it looked like a Saturn rise... massive lunar horizon filling the field of view with a big Saturn rising from under it, literally animated and visible slowly moving up... Looked amazing in the eyepiece... Photos or videos don't even come close to how good that looks live in the ep. I had my eye on the eyepiece in the 14" Skywatcher during the occultation and recorded the start and finish times as soon as I noticed them: Occultation Start 18:35.51 AEST Reappearance Start: 19:19.37 AEST Occultation Finish: 19:21.20 AEST I stuffed up the first part video, the covering of Saturn because I still had iCap set to capturing a maximum of 5000 frames left from my planetary imaging, so at 25fps I barely got a 3.5 minute video that stopped just before the actual occultation started... yes I was kicking my self... but at least I watched it... I wasn't going to do the same mistake on the re appearance on the other side... Sharing with you my photos and the video of the event... video is sped up to 400%. Clear Skies. MG Saturn Lunar Occultation 12Aug2019.mov
  7. From the album: Stargazer33's Album

    C9.25; CGEM; ES 3× tele extender; Zwo ADC; QHY5LIIc Captured in EZP, sorted & centred in PIPP, stacked in Autostakkert2, wavelets in RS6, final processing in PS CS4 extended.

    © Bryan Harrison

  8. 21 of June 2017 / 22h30 UTC+01:00 / Stargazing Conditions: 88% So, I crammed all of my new acquired stuff together and went to the darkest place I could find near my town. It's a mere 5 minute drive from my home. As I set everything up, I tried to wait for 20-30 minutes to give the 'scope a chance to acclimatize but I really couldn't! Jupiter I looked west south west to find Jupiter, pointed my finderscope at it and I was amazed by how clear the image from the 'scope was!! I had a 5 minute stare through my 25mm BST eyepiece where I could distinctly see the two belts, the north and south equatorial belt. As clearly as the belts were also three of its moons were, namely Callisto, Europa and Io, although Europa was quite close to Jupiter. The color was also great and the view, simply mesmerizing! I then switched to the 15mm BST eyepiece. First I was a little, let's say disappointed, but not that strong, by the magnification, and immediatly switched to the 8mm BST. To my surprise I wasn't convinced by the view either... So I decided to get back to the 25mm and calm down and enjoy the view as I clearly was getting hasty. As I started over, I remembered some words from a friend of mine who told me that watching the stars often comes down to 50% of actually seeing the stars and 50% imagination and concentration. So I tried the 15mm a second time and... I was hooked. I could now clearly see eight different colors and belts! I'm not quite sure what it was I saw, except the north and south equatorial belt, but I will have a look at some Jupiter maps and educate myself about the planet's surface. This will help in better understanding and watching next time, the case given that the seeing is as clear as it was that night. With the 15mm eyepiece Europa was now very distinct from Jupiter. I couldn't manage to get more detail out of the 8mm eyepiece, everything just got a tad bigger and a little fainter if my impressions were right. After good half an hour of watching the delightful planet and its moons I sat down and searched for Saturn, which was south not very high above the horizon. Saturn I switched back to the 25mm eyepiece, pointed my viewfinder at Saturn and peaked through the eyepiece. What a marvel! I clearly could see some colors on the surface and easily distinct the ring from the planet itself. As I switched over to the 15mm eyepiece, the separations on the planet's surface became a tad clearer and the ring/planet separation obviously bigger. I encountered the same problem as before of not knowing what I was looking at, which bothered me a little. I have to do a little homework here and get myself started with some fancy vocabulary. Milky Way All in all it was a marvelous first light experience and I clearly have to learn the stuff I'm looking at, but I think that's just me and my endless thirst for knowing things. I randomly gazed through the skies at the end, beeing absolutely overwhelmed by everything I saw. Furthermore, I simply was flabbergasted when I ran across the milky way in the north east... There were so many stars I couldn't see with my bare eye, but only with the 'scope (which made aiming with the finderscope a nightmare... How do you guys do that really?!). I'm glad I acquired the Skywatcher Skyliner 200P with the eyepieces. It is one of the best things I got myself and I think I will have a lot of fun with it and furthermore learn so many new things. Thanks for reading, Abe
  9. mitchelln

    Saturn 6453

    From the album: Saturn

    Saturn on the 1st of May through 300P with Canon 7D

    © Neill Mitchell

  10. mitchelln

    Saturn 6283

    From the album: Saturn

    Saturn taken with 300P, Canon 7D, 2x Barlow

    © Neill Mitchell

  11. mitchelln

    Saturn 6552 6553

    From the album: Saturn

    Saturn thorugh Hyperion MkIII zoom.

    © Neill Mitchell

  12. Astronomers often describe their first sight of Saturn as being unforgettable. Now I understand why. Few days ago I saw Saturn with my celestron 130mm reflector. It looked so unnaturally beautiful and rather eerie against the starry background. I would really love to know your first experience of seeing Saturn and what impression it left on your mind. Also, it would be really great to know how I can see the divisions and gaps in Saturn's Rings. I only have two eyepieces for now, a 10mm and a 20mm. Should I switch to higher magnification or just look harder with the current eyepieces? Can I even see divisions with a small scope?
  13. Hey guys. Thought about starting this thread. I feel like we all should inform eachother and newer members alike about the magngifications that can be achieved on planets,that provide the best sharpness/size ratio,depending on the scope and seeing. After this thread has grown a bit, i feel like this should be pinned,as to provide a little guide to newer members that are not experienced with planetary observing,as many will be fooled with the typical 50x per inch of aperture and get disappointed when they find that that image will be dim and blurry. For my 8” F/6 Sky-Watcher Dob For Saturn i like to use 150x in medium seeing and if i want something a bit bigger , switch to 240x ,which will give me a bigger,but blurrier image.iBut In good seeing, i found that 240x was very usable.When we have perfect conditions, i m certainly trying 300x. Mars, isnt very big in the sky right now,so even at high magnifications like 300x it still appears as a small orange dot. For observing mars,I suggest waiting for it to reach opposition.It benifits hugely from it! However,this happens once every 2 years....But 5ere are other planets to keep you occupied until then, such as jupiter,saturn and Venus. For Venus, i use 50-100-120 depending on its phase. For Jupiter, i like to use 150x, as it provides a very sharp image,with key features of the planet such as bands being very detailed.Waiting on my 6mm UWA Skywatcher to bring it to 200 and see how that plays out. Be careful! Don’t magnify jupiter too much, as it will loose much of its features and sharpness. Neptune and Uranus: These two will not impress, but are certainly have a nice colour to them. Even ar high magnifications, such as 300x and 400x, they will look like small discs with color in them.Uranus will look be colored green and Neptune a fainter blue. Mercury About mercury...Havent gotten the chance to observe it ,so the guys will have to inform you about that? Feel free to give your own opinions as to give members a wider source of information to help them observe better ! Cheers and clear skies. Kronos
  14. This is in no shape or form good enough for a competition but im putting it here anyway :P.This was taken march11 with my Xiaomi Redmi6 and shaky hands held over the eyepiece.
  15. Hello all, Sharing with you my latest Saturn image. This if imaged at f33 on my 8SE using Skyris618C. Stacked in AS3, drizzle 1.5X, derotated in WinJupos and processed in PS. The most interesting feature is, what looks like, a storm developing near the northern polar region. Clear skies.
  16. Another planetary imaging session, this time with the C8 and the ASI120MC camera. This was the first time I tried to image these with the C8 so something of a 'test'. The log shows that I spent 25 minutes of valuable time in taking the rig down after imaging Jupiter and setting it up in a different position to image the other two planets. Next time I'll put it in a different position that will avoid having to move it. The altitude of Jupiter was about 20 deg, and the other two at around a roof-skimming 10 deg. Unsurprisingly (or otherwise) the results seem a bit better than with the 127mm Mak. In particular, I could easily see the Great Red Spot in the laptop live view. I feel a bit disappointed that Jupiter did not sharpen up more in processing. Here are three of the processed images (processed in Registax6 and should be the noninverted & nonflipped view). Again, not the world's best, but... I focused the camera on Spica. Mars has processed up quite sharp and, again, distinctly non-round (88% phase). But any tips on focussing? there are some apps in Smartcap, or maybe I should get a Bahinov (sp?) mask. I also recorded some .ser video which won't load into Registax for some reason- have to look into why.
  17. After a few nice views of the sun today in the 4", I switched out the Herschel Wedge for the Zeiss prism, Barlow and Leica zoom to have a go at Mars and Saturn. I wasn't expecting much after such a hot day, but the reality was far better, some of my best views of these two this year. As ever, I'm a little uncertain of the mag because of the exact spacing with the Barlow, but I was probably maxing out at x180 or so, but possibly x200. Detail was visible even at much lower levels. Emphasising the beauty of this setup, I only had about 15 mins to observe, so I carried it down to the bottom of the garden where I get a clear view of the two planets, had some nice views, then just packed up quickly, all done in about 25 mins I should think. Anyway, on to the views. Mars immediately looked great, the seeing was good, and surprisingly steady. The phase was clear, Syrtis Major obvious, and defined well. I could see the north polar cap, getting obscured by the phase now. To the south, Hellas Planitia showed as a bright area, looking a little like a big polar cap but more orange than white. These views were unfiltered, the sky background was bright and Mars itself a pale orange colour. I popped the Mars B filter in and immediately the sky background was virtually black, giving Mars a nicer apparent contrast. Mars itself appeared a deeper orange colour, more Mars like if you will . Syrtis Major appeared darker and slightly better defined, but Hellas Planitia was dimmed and I lost the polar cap. The Mars B didn't show any more detail (based on this brief view), but I did enjoy the views as an alternative. I need to try the less aggressive Mars A filter which may be a better compromise. Should also give the Neodymium a go too which is very effective on Mars, but not Saturn for some reason. Note to self, probably should get a filter slide for my 1.25" filters to make comparisons easier, I have plenty of infocus range so it should work fine. One obvious statement is the importance of focus in picking out the detail. Very small tweaks on the fine focuser significantly improved the views so it's well worth getting it right, and using a dual speed focuser if you can. On to Saturn, and again the best and steadiest views I've had this year. The Cassini division was very clear other than the thin section infront of the planet where I lost it. It was visible most of the time, but became vague when the seeing dropped off every now and then. This was only a quick session so my recall of features is a bit hazy! A and B rings were clear. I believe I saw the Crepe ring in front of the planet, but need to verify again whether this was the case. The darker section in the B ring was visible, as was shading/banding on the surface. The only moon I could detect was Titan as it was still too bright for the others; I know that at least 5 are visible in this scope under good conditions. So, a long report on a short session. I'm mainly writing it because I don't seem to have had much luck with these two so far this year, either too low, poor seeing, cloud or too busy so these views were very welcome. It's often said (by me too!) that you need to spend a long time observing to pull out the detail in planets, well last night that was not the case, detail was clear right from the start. I could have spent an hour on them, but Mrs Stu was ready to turn in, and I know better than to disobey the CEO . The images attached are approximations of what I saw, or at least they are on my iPhone. The main difference with Mars is that I could see the polar cap (in the unfiltered view) which has been lost in this image which is more similar to the filtered view. Saturn is shown against a brighter background as it was unfiltered. They may be too large a scale on a full screen, so don't look too closely . Just trying to give a rough idea without having done a sketch.
  18. Hello Astronomers, After a 5 month break from imaging due to moving house, I managed to setup the gear and get a couple of images that (I think) are worth sharing. These are quick processes of the data captured, but I'm happy enough with them to share. I'll spend some more time processing the data later and if it's an improvement I'll reshare the pics. Thank for looking, Mariusz
  19. I don't think my attempt at Jupiter from last night was well accepted so I re-edited it. I lost some detail working on it so much. Last night I imaged the 3 planets. Mars and Saturn were captured from about 3am almost directly overhead. I had to revert back to the standard 1.25" gear as the 2" gear wouldn't allow me the altitude because of the top of the mount on the Celestron Nexstar 8i. Software used Autostakkert!2, Registax 6, Rawtherapee and PaintDotNet. Captured using Sharpcap and the white Xbox 360 camera. My first attempt and capture of Mars, 1500 stacked frames from a 3 minute video. It's a shame I couldn't get the colour right last night. I've only done a handful of Jupiter. This is my best to date, 1000 stacked frames from a 4 minute video.
  20. Only my second time observing Saturn last night so thought I'd try imaging it as the sky was nice & clear for once! All taken with Sky-Watcher Skyliner 200p + 2x Celestron Barlow + QHY5L-II-C. 100 frames stacked in AS2! De-Noise in Registax. Wavelets in Astra Image 4.0 Cropped & tweaked in CS6. 23/05/16 UT 23:55:23 Lytham, Lancashire, NW UK. Here's my second attempt. ROI was smaller so it gave me a slightly higher magnification. 120 frames stacked in AS2! De-Noise in Registax. Wavelets in Astra Image 4.0 Upscaled & tweaked in CS6. 23/05/16 UT 23:56:14 Lytham, Lancashire, NW UK.
  21. Observation 11 July 2017 Date: 11th July 2017 @ 20:50 – 22:30AEST Location: Backyard Equipment: 14” Skywatcher GOTO Dobsonian, Televue 31mm Nagler T5 , Televue 17mm Ethos, Televue 11mm Nagler T6, Celestron 5mm, LV 7mm, Televue 2X Powermate, Baader Neodymium, Baader Contrast Booster, Circular polarizer. Tonight is looking like it is a good night to do some observing and try out the new shroud for the Dobsonian. The Seeing was quite stable, there were clouds flowing south to north direction but not so many as to ruin any observing. The moon is just the second day past full moon phase and so still lights up the night sky, Saturn and Jupiter are in the sky along with the moon so knowing that I will not be looking at any DSO I decided to have a look at these three objects. Jupiter: Jupiter was the first object on the agenda to view since it is already getting low in the western horizon, still 40 or so degrees but knowing that the best views are when the planets are highest in the sky, I didn’t want to leave it any later. The view was a little hazy, the highest magnification where Jupiter looked OK was at max about 150X-235X. The GRS was visible just past the center of the SEB. To see it quite clearly I still had to wait for the fleeting moments of clarity, but it was constantly visible. I didn’t see any fine intricate details with in cloud bands as in the past, and honestly even the polar cap shading was a challenge. Definitely no shadows from any moons on the Globe. There were all 4 Galilean moons visible. It was nice to revisit Jupiter as it is moving further away from us, even if the view was not even close to the best views I have experienced while observing Jupiter in the past. Saturn: Saturn was the next in the cue, as it was right above head, near zenith, I was expecting to see Saturn more clearly than Jupiter. Initially Saturn was more stable, and the Cassini division was visible on the edges but not the best I have seen to date, even with the 8” SCT. As I was adjusting focus on Saturn, when defocussing it a bit further out, I noticed that Saturn was defocussing asymmetrically, only slightly but asymmetrically so I knew that my collimation must be slightly out. I adjusted the collimation using a glass combination to give me 660X magnification until Saturn was defocussing symmetrically. At 660X Saturn was better than before collimation but still soft, so I dropped the magnification to 300X and the view was crisp and detailed, collimation was a major improvement. I stacked the Neodymium and contrast booster filters on to the eyepiece and the view was breath taking. During the moments of best stability and clarity, the Cassini division in the rings was visible nearly all the way around, became hard to see behind and in front of the planet. The rings in front of the globe were easily visible/distinguishable, along with the darkening on the globe, shadow cast by the rings on to the atmosphere. The rings were visible poking above the globe from behind, this is a good time to see Saturn with it’s rings fully open facing toward us. The globe showed darker but still quite pale cloud bands, one just above the ring and the second more subtle shading about ¾ of the way toward the pole. There were 5 moons visible, Titan, just barely visible Enceladus, faint Dione and Thehys and Rhea. The best view of Saturn was at 300X-300X (11mm Nagler with 2X PM and 5mm Celestron X-Cel) magnification, the scale of Saturn was quite big with clear detail easily visible. Magnifying 470X was ok but obviously softer. Sure the planet was visibly bigger but I still preferred the view at 300X. Moon: The moon, being just past full moon, only showed craters at one of the edges, but using the 31mm Nagler T5 or the 17mm Ethos, with the polarizer still looked amazing. The full face of the moon was visible at one time, the 17mm Ethos magnifying it so much and with the 100 degrees AFOV, I had to look around to see the edge of the moon… it was like looking out of a space craft window, it was awesome. The 31mm Nagler showed the whole face magnified a bit less and while using both of the eyepieces, having the Polarizer turned down to the dimmest level revealed the moon ejecta streams, flat craters and Maria on the surface as well as bright spots dotted throughout the landscape, looking almost looking like city lights. The Polarizer has to be turned all the way to the darkest level with the 14” mirror since without it is so bright that looking at it is actually quite uncomfortable. Even with the Polarizer, I think I could have added a ND filter to bring the intensity a little bit more. Sure the most contrasty views where you can see a lot of detail in the craters is during a phase, but looking at the full, or near full, moon looks beautiful when adding the extra constant using darkening filters, bringing out the dark shading. Overall the night of viewing was very rewarding, especially with the great views of Saturn. The shroud seems to have done the trick at keeping the light path clear of any stray light, but the best part I found was that with the 3 fans blowing from behind the primary mirror, there was a slight, very slight air flow out of the front of the Dobsonian. I’m hoping that this air flow will keep any dew from settling onto the primary or more importantly the secondary. A couple of months ago I took the 14” SW to one of my favourite dark sites in the mountains, but my observing night was cut very shot, very quickly due to dew fogging out my secondary, even when cleaning it with lens cleaner, the dew was already building up as soon as I took my hand away. I have some dichrome that I’m planning to add to the secondary as a spiral on the back to create a dew heating system, but whether I’ll do that will depend on if the secondary will get covered in dew in a future observing trip with the shroud on while the back fans are moving air out. Another things I have noticed tonight is that the order in which the Neodymium and Contrast booster filters are stacked makes a difference to how the view looked. Initially while observing Saturn, when I added the two filter, the view was not any more stable than when not using any filters, only slightly dimmer. But when reversing the order of the filters, the view stabilised noticeably, literally the difference was between OK and WOW. I would think that each filter cuts out a certain wavelength of light and passes on the rest, and so it shouldn’t matter what order they are stacked. I repeated the experiment but flipping the filters and same result, one way was not better than with no filters, but the other way it was stable and razor sharp???!!!! Does anyone have an explanation to this phenomenon? Thanks for reading, Clear Skies.
  22. I have a Celestron Nexstar 4sE 4 inch telescope, and a celestron neximage 5 with registax 6.1. Here are my first ever attempts at capturing Saturn: Terrible, I know. Are there any ways I can make this better? Any advice would be greatly appreciated. Thanks, Corkey
  23. Saturn is jumping from house roof to house roof these day in the UK latitudes. I managed to capture 5000 frames last night using the CPC800 w/wedge, QHY5L-II C; and processed these with PIPP (kept 25%), Autostakkert2! with Drizzle 30 and a little PS. Can I make it better? I think the C8 is delivering good here but could argue that better collimation would make it better. However, my star tests are 'good' at 200x. For the general UK conditions yesterday I think this is good? Tomorrow we have thunderstorms...so, everything will go back inside.
  24. Getting close to ending the season for observing. Not a lot done this year as I'm still recovering from surgery and my 15 year old has been helping quite a bit. These are tow from yesterday. Sky was clear and reasonably good seeing. Jupiter was rushed before it dissappeared behind a tall hedge and Saturn is so low. Nevertheless, I think this are worth sharing here :-) CPC800 & QHY5L-II. >1500 frames each processed with PIPP, AS2! and PS5. Colour could be better but I find that improving colour sometimes leads to some detail being lost. Comments much welcome!!!
  25. BBC "The Life Scientific" This week Michelle Docherty on the Cassini mission to Saturn and the Enceledus jets. http://www.bbc.co.uk/programmes/b087qjcw
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