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Found 45 results

  1. Connecting the corona to the photoshphere and chromosphere. http://www.bbso.njit.edu/ November 15th News. Nov 15, 2019: Formation of solar spicules and subsequent coronal heating unveiled Link to big bear observatory nov 15th movie capture http://www.bbso.njit.edu/scinews/LayeredMovie.mp4 < A side note here, linking back to my own thread linking the photosphere to the chromorosphere and also apparently the zone of ionization where calcium atoms become singly ionized.. Dutch open telescope Calcium line 397nm Apollo Lasky Hydrogen Line 656nm <br>
  2. 160mm x 1600mm + Lunt LS50C etalon. Thanks for looking! <br>
  3. I just try to show the beauty of the night sky, and again the possibilities with a smartphone. There are already better applications at the google play to make the night lapse easy. At first I used the Gif maker pro. It's a good app to edit the frames, before creating video, but you can't save the videos in good quality. Now I use the TimeLab app (same developer, as Intervalometer app), in the editing it has not so many options, but with this app you can save the videos in 4K too, or full HD. This video is 360 frames (each 30 sec exposition at ISO 800) Huawei P10 monochrome camera, Intervalometer app, TimeLab app. Pictures taken in Kleinwalsertal, Austria 2019. 09. 23-24. (The video is full HD, I don't know, why, but it doesn't run continuesly on my PC, when I watch that back on SGL. I hope, on your monitors you can enjoy it!) VID_timelab_20190924054735.mp4 VID_timelab_20190924054735.mp4
  4. Hi This video was published on YouTube in March of this year and describes the development of universe in exponentially growing steps through time. That probably means that it is highly speculative, but it is interesting. I'm about halfway through at 7 billion trillion trillion trillion years in the future, and quite curious about how it will end.
  5. From the album: Alvin's Time-lapses

    Attention: The quality of this video here has been reduced due to file size restriction. A slightly better version can be found unlisted on YouTube (308mb). Description: A series of time-lapse short videos set in different locations within South Hampshre at night. All scenes were taken between a Bortle 4-5 area, and each clip equates to 5-6 hours in real time. Please check your volume as this video contains music. Equipment / Software: Canon 550DTokina AT-X 11mm - 20mm Vixen Polarie Adobe Lightroom Adobe Premier Pro Special Thanks: Alexander Blu - Background Music ==================== Note: My first time producing a proper time-lapse video. Unfortunately the amount of noise and hot pixels were much worser than expected when I reached the video editing stage, and I need to learn how to apply darks against individual frames en masse. I am not personally satisfied with the final quality, but still thought I should share with what I have on here. Please feel free to leave a comment, critique, suggestions and guidance on here, thanks!

    © Alvin Ko

  6. Hi folks, Just wanted to share my bloodmoon experience with you in this blog. It was quite challenging, ice on my balcony, camera falling out of telescopes and tracking challenges. But in the end it was a wonderful experience, you can read it here: https://www.astroforum.space/blog/my-first-bloodmoon-experience and i've included a (gittery) timelapse + final image. Please let me know what you think, should I keep the stuff that goes bananas for myself or share it with you folks? Clear skies!
  7. A short timelapse of the Aurora the mob had on the Isle of Skye before getting into viewing the heavens with the dobs. Skye Aurora Timelapse Sorry there's no sound media isn't my speciality
  8. This August I was lucky enough to go back to La Palma with the family for a couple of weeks. Perhaps more importantly I was able to take my cameras, and this time I hired a telescope over there rather than look at the skies wishing I had my scope with me. Same as last time we were unlucky with the weather, by La Palma standards, and several nights were lost to very thick Calima - dust laden winds blowing from the Sahara . These clog up the sky and raise the temperature quite drastically. It also severely hampered my ‘schedule’ of timelapses I wanted to get but living in the UK I can expect perhaps one night in two weeks to be clear. I can’t complain at the loss of 4-5 nights out of two weeks! Although it was frustrating to miss the Perseids again - they were on the one night it actually rained!! La Palma, perhaps surprisingly for one of the best locations for astronomy in the world, is a very cloudy island. When conditions are ‘normal’ it is usual for the inhabited parts of the island at less than 3000 ft to be frequently cloudy at night time. The cloud comes and goes but is often there and can be seen in several of my timelapses. There is an inversion later at approximately 3000ft though above which it is as clear as it’s cloudy below. So, if you can get high enough you can get above the clouds and almost guarantee starry skies. But, the same situations that give those clouds give us cloud waterfalls over the Cumbre Vieja (the ridge of hills linking the north and south of the island) and some amazing fog. I could go back to La Palma just to do timelapses of the fog/cloud! If you can get high enough it’s truly worth it. Up at altitude the skies are very steady and clear. I could see detail and texture in the Milky Way right through from beneath Scorpius/Sagittarius, right overhead and down into Cassiopeia and Perseus. The Milky Way was visible right down to the horizon and the stars were pinpoint spots of light - no twinkling, not even low on the horizon! There are various spots at the side of the road you can set up on - although be prepared for a number of cars to drive past with their lights full on! I was quite surprised at the number of cars - several of my timelapses show the observatories lit up by cars with their lights on full. Of course, arguably I was part of the problem… but then I was happy to drive around on sidelights (once I’d sorted out turning off the cars internal illumination!) I met and spoke with a surprising number of people, mostly Spanish and German. But it was frustrating whilst taking a timelapse to have people drive up and take pictures of themselves pointing a torch at the Milky Way, right in my field of view. Some of my timelapses show this despite my best efforts. I was able to take Tom up with me a couple of times (even Kate came up too one night!). I quite like being on my own at night but at altitude and with the humidity at less than 5% and the walking around often being on rocky broken volcanic surfaces it was good to have company. Of course, Tom being 10 he can see way better than me, something he was happy to point out regularly! I've put together a timelapse which I’ve called the Road to the Roque. Whether you approach the Roque from the east from Santa Cruz de la Palma or from the north west (Hoya Grande) it’s at the top of a long very switchbacked road. Driving up and down 7-8 times over the two weeks burned out the hire cars brakes - thank goodness for power steering! You can’t get to the top without going up the road - the views along the way were stunning so any timelapse I put together I wanted to include that part of the journey! The car brakes really were burned out. On the last day driving back to the airport they were noisy enough I felt it best to leave the car in second gear for the last 13km (downhill).. I hired a telescope for about a week out there from an outfit that turned out to be just 10 minutes up the road ( http://athos.org ) A German setup (the guy I spoke to, Jan, spoke perfect English!) which has to be the kind of place I’d happily just move to (just as soon as that lottery win comes in). They have a place with several small houses for accommodation, observing platforms, observatories, plenty of kit and are in a truly dark spot. Absolute Paradise! They kindly gave me a guided tour (they took care I didn’t wake up some of the astronomers that had been up all night) but the place was great. I have started siphoning off money from my joint account… (luckily Kate doesn’t go on SGL!). I hired an Evolution 6 with Starsense. My rationale was to have something I could carry around easily and for it to be smaller than my main scope at home and something I haven’t used before. It worked out perfectly, the little 6 inch was giving me much better views than my 10” Newt does a home and many an hour was spent looking at Mars, Saturn, Jupiter and Venus and looking at objects in the lower reaches of the Milky Way that we can’t normally see from the UK! The starsense was cool - level, aim north, hit a button… and it just worked! I could blether on for hours but won’t - here’s a link to the time-lapse I’ve done. Its missing some stuff I wanted to get but some stuff worked better than I’d expected so I can’t complain. A couple of the timelapses were done in strong dusty winds, in one of them I spent an hour hunched over the camera on it’s tripod holding a large black cloth as a shield for me and the camera from virtually gale force winds. Amazingly that one worked well although my shoulders weren’t so happy! Getting lost on the path on the way back down to the car was a bit hairy (the caldera was 20 ft to my right) but a bit of judicious Maps usage on my phone (most of the island provides at least 3G) enabled me to figure out that the all but invisible path I needed was just a few feet back from where I was… Finally, all else aside, I can’t overstate what having dark skies does. I live in a dark part of Devon and am grateful for that but the skies there were obscenely dark. The little villa we were staying in near Puntagorda on the north west of the island - you could walk literally straight out of the lit kitchen onto a patio and bang, there was the Milky Way, better than we even see it here, visible clearly in completely un dark adapted eyes… five minutes later and it’s enough to make you think… I could work from here you know, no need to go back to the UK…. I’ve started blethering again. Here’s the timelapse, I hope you enjoy it!
  9. As many others, I was out taking pictures of the Lunar Eclipse this Friday. Though the moon didn't rise until half way through the eclipse, and clouds coming in just as it rose above the horizon, it cleared out and I gave it a go! I hadn't planned doing an actual time-lapse, hence why the exposure length and color balance is all over the place. Not until I sat down and had a look at the pictures at least. Some of them I tried to fix with Photoshop, but it was honestly a very big task at hand, so I only did minor adjustments, and then just added the some stills at the end of it. But have a look if you like! As always simply observing the eclipse was also a treat, and this was only my second time watching one! Thanks for watching. Next time I will definitely try to actually properly prepare for a timelapse, instead of just smashing whatever pictures I captured together
  10. From the album: Imaging Challenge #16 - Inspirational Skies - Now Closed

    Timelapse St. George’s Island Cornwall , ipnone5s timelapse approx 3hrs ,
  11. Finally a clear night and some good images grabbed with my DIY All Sky Camera. All stitched together in Light Room and the resulting video stuck up on YouTube and now linked to here Hopefully it will be clear again soon and can get some more good timelapses. Shame I am not further north with a possibility of an aurora, but hey ho. Thanks for looking
  12. hi Recorded this over evening of 18th Jan to 19th Jan 2018, circa 2889 frames each of 12 second exposure, merged into video lasting about 3m 12secs. Big meteor at 1m17secs Recorded using Starlight Xpress Oculus all Sky Camera 180deg lens and AllSkeye Software. Note this is the video of the whole night, related to previous submission of just 1 frame of big meteor, although wasn't sure if should put in same or new post. thanks Jamie 19th .mp4 Edit: for those that dont want to download whole file, same one have uploaded to youtube if easier although lower quality:
  13. Hey all. My interest in timelapse has been building over the last couple of years. After an attempt to do some at SLG 11, this has been something that has been bubbling on the back burner for a long time. My interest has once again risen in getting this going as I now have what I think will be a fairly nice setup for doing Day to night (Holy Grail) time lapses. Here's the kit that I'll be using..... 1. Canon 70D 2. Sigma 17-50mm Zoom lens at F2.8 (Over the whole range) 3. 2 axis camera slider 4. iPhone/iPad - running qDslrDashBoard 5. Lens muff - and single use hand warmers This setup fits together rather nicely. The slider that I have does Move-Shoot-Move, after moving it will trigger the camera via the shutter release cable. (I could use an intervalometer for this, the slider has the feature built in so no need to complicate things even more.) The Canon 70D will be mounted on the slider on a ball mount. It connected to the iPhone/iPad over WIFI (I thought that was a gimick at first). the iOS device will be running qDslrDashboard which will perform the settings tweaking for the Holy grail stuff. The Sigma Lens at F2.8 will be faster than my kit lens (F4.5) The Lens muff, will be wrapped around the sigma lens and have 3 single use hand warmers (lasts 10 hours) to keep dew away from the glass. All in all, I'm getting rather excited to trying this out
  14. Time lapse video of Asteroid Florence (3122) taken 1st/2nd September 2017 between 22:09 hours and 00:24 hours UTC. 10 sec subs at 20 sec intervals rendered at 20 fps.
  15. Seeing was mostly poor, but I am quite happy with how it came out
  16. I've had a few clear nights recently and had to miss them all so have been able to turn to some earlier data. I've put together a series of timelapses from my annual weekly holiday with my in-laws in Cornwall every April at Gillan Creek near the Helford River on the Lizard in Cornwall. The very first time-lapse starts off with a 3/4 moon behind the camera and the Milky Way rising, as the Moon drops then sets the ground gets darker and the Milky Way more obvious. Two of the time-lapses were done in daytime showing the tide coming up on Gillan Cove. The people visible in both of these are mostly family The area has many scenic spots I would love to time-lapse from but as you'll all know too well getting the tides, the Moon and the weather all right at the same time is quite rare! The time-lapse was exported at 4K resolution - if you have a good fast internet connection then that will be best, otherwise 1080p (HD) works well. -- Equipment used: Canon 6D, 14mm Samyang lens and 24-105mm Sigma Lens Motion is provided by a Vixen Polarie with time-lapse adaptor and/or a Digislider motorised slider The background track is "Billions and Billions: from A Moment of Stillness" by Stellardrone (stellardrone.bandcamp.com) Hope you enjoy.. James
  17. I've been going to star parties for about 10 years now and more recently have taken up time lapsing - partly to get around the lack of clear skies (time lapsing isn't as dependent on completely clear skies as regular astro-imaging is) and partly as it means less kit to cart around... although I now seem to have accumulated too much again. Attached is a time-lapse I've put together of several timelapses taken at Kielder Star Camp last year, spring and autumn, and this years spring event we've just had. Star parties are about the stars/astronomy of course, but are also social events (it's usually cloudy after all) and it' always great to catch up with old friends and make new ones. But... if the skies are clear get things get very busy! The most recent star camp was warm and sunny over the Saturday and Sunday (rather rare!). When it's looking pretty likely it will be clear everyone is out making sure their setups are working, batteries are charged and so on and there's usually a general sense of anticipation that builds as it gets dark. These timelapses show the red lights used by astronomers (red light doesn't ruin your night vision) and if you are sensitive to flickering lights maybe don't watch the time-lapse :) I hope you enjoy this... it's been enjoyable (albeit cold!) capturing the timelapses although processing them afterwards can be a time consuming pain ;) If you've got a fast internet connection its best to watch the time-lapse in at least HD (1080p) - 4K is better. Detaily stuff... Most taken with a Canon 6D, 25 second exposures at ISO3200 using a Samyang 14mm lens. Orion picture taken with an astro-modded Canon 650D. Processed in Lightroom with LRTimelapse. James PS Looking forward to the SGL star party in the autumn
  18. It occured to me that I should share with you the timelapes of this year's Mercury transit as seen from Czech Republic. The clouds have parted for some 20 minuts, allowing me to capture this timelapse. I shot it with a modified webcam, Baader 2.25x Barlow and UV/IR cut filter, using my former SW MAK 102/1300.
  19. Hi everyone. I recently acquired a ZWO ASI120MC-S and so with the bright summer skies I've turned towards solar and planetary lately. I'm not great at either, but I'm learning This is the result of my efforts from last night and I'm quite pleased with how it turned out given it was ~3-4 hours of sitting in the relative cold of my front garden. I've never managed to time weather & my availability with the GRS or a Jovian moon transit before so that's two firsts for me. The seeing was "soupy" to put it lightly, especially towards the end when the planet got lower in the sky and ended up over the roof of a house across the road, but I can't complain - at least it was clear! I took a video around every 5 minutes for almost 2 hours, stacked the best frames, then compiled into an animation of 19 frames that loops back & forth. Io started off about 1/3 of the way across the face of the planet when I started recording data so it's a bit tough to see but you can follow it back across once it pops out the other side. Thanks for looking! I hope the attachment works correctly because I couldn't seem to get the gif size down below ~14mb, so I apologise to anyone on a slow connection! Imgur link for the animation: http://imgur.com/HN2HuGn Gear: Skywatcher Skyliner 200P 8" newt with Skywatcher 3x 3-element barlow (3600 mm, f/18) Skywatcher NEQ6-Pro Synscan (unguided) ZWO ASI120MC-S camera Acquisition & Processing: - 19 individual images spaced approximately every 5 minutes from 21:55 to 23:45 BST - Firecapture [gain = 55-65, exposure = 20-25 ms, 960x960 1x1 bin] - 4500-5000 frames per image @ 45-50 FPS - Best 500 frames stacked per image in Autostakkert!2 - Wavelets and colour balance in Registax 6 - GIF created in Photoshop CC
  20. 3 cameras, 6 hours of shooting, 2000 images and a heap of post processing best viewed on Youtube full screen HD
  21. Hello, This is my first Milky Way timelapse Canon eos 1200d with kit lens 18-55mm. Made 212 shots at 25s exporsure iso 3200.
  22. I was lucky enough to spend two weeks on La Palma in the Canary Islands this August with my family. Whilst we were unlucky with the weather in the first week (it rained, was cloudy and the air was very dusty blowing across from the Sahara) the second week was much better with some stunning skies and views to be seen. My original plans for various time-lapses was thrown out of sync (not entirely unusual for any UK based astronomer) and I ended up with just 4-5 nights to capture what really needed about 8-9. Whilst there's a lot I couldn't do, I was able to get a fair amount including two nights up in the vicinity of the Observatories on the Roque de Los Muchachos. Some of La Palma's most striking views involve clouds - the Caldera de Taburiente (a stunning sight from wherever you look) regularly fills up with clouds looking like a bubbling cauldron and sometimes clouds cascade over the Cumbre Nueva - a mountain ridge across the middle of the island. This ridge often holds back those clouds - it's not unusual to drive from the sunny west side through a tunnel onto the east side where it's cloudy, raining and much cooler. I was able to capture a quick time-lapse of clouds cascading over the Cumber Nueva from the Mirador El Time whilst enjoying a coffee at the cafe there. It doesn't get much better than that!! The earlier time-lapses were captured in the vicinity of the villa we stayed in, El Sitio in Fagundo, Puntagorda. Some of the later ones were captured at the 'Hacienda La Palma' from about 4500ft (1370m) altitude and some from in or around the Roque de Los Muchachos. The skies at Hacienda La Palma and up at the Roque were stunning with virtually no light pollution. Even lower areas had skies far better than usually seen in the UK. Phenomenon such as the Zodiacal light (where dust particles along the plane of the ecliptic are illuminated) were very obvious and whereas in the UK the predominant colour I have to process out of images taken is orange from light pollution, in La Palma the skies' natural green glow was very obvious in my images. That said, La Palma is a cloudy island - most of the clear nights in my second week there were due to my being at higher altitude. It was a common sight to see overcast skies hundred of metres below but not a cloud above. This video is a compilation of some of the time-lapses I did get. I made plenty of mistakes on these time-lapses, not least I should perhaps have gone when there was more moonlight to light up the ground a bit, a little different from the approach to astroimaging we're more used to.. all the more reason to go back and try them again of course Hope you enjoy.. don't forget to make sure the HD button is on when watching and turn the sound up, or down depending on preference Kate and the kids are visible in a couple of spots, I deliberately left them in - but I removed the selfie taken at the top of the Roque de Los Muchachos just after sunrise one morning as I looked about 90!!! Four sleepless nights hadn't done me any favours! Equipment: I used a Canon 6D, modded Canon 650D, 24-105mm Sigma lens, 14mm f/2.8 Samyang Lens and a 8mm Samyang Fisheye. Tracking and panning were done using a Vixen Polarie with a time-lapse adaptor. https://vimeo.com/139641078
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