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Found 14 results

  1. Perseid through Cygnus. 130 images taken got one Perseid, astrophotography you gotta love it. Image 30secs Canon 1000D stock lens (18-55) at 18. Slightly out of focus sorry. thanks for looking. Oh dear that looks really gaudy on here, green stars! doesn't look like that on my laptop. I'll have to sort that out and re-post. Re-ashed image. Tim
  2. Hi everyone, over the seemingly endless summer nights I've been looking at projects to do that wouldn't be affected by the sun close to the northern horizon. In the past, I used to operate meteor scatter on amateur radio, and spurred on by the recent article in The Sky at Night, I thought I would put together a small meteor scatter reception setup. The system comprises a HB9CV (a very simple 2 element phased array) a few metres of RG58u and a RTL-SDR connected to the PC in the study. I rigged the antenna up in place of an old, now defunct, Sky satellite dish and pointed it south. It's mounted on the side of the house, approximately 4 metres above ground with a clear view to the horizon. This is ideal because the cable run is fairly short and no additional holes are required in the wall. Over the weekend, I played with a few software packages, looking for options, not just to view waterfall plots, but also to be able to log, analyse and tabulate the results. I wasn't expecting much as GRAVES is radiating to the South, meaning it would need a significant backscatter to be able to reach Scotland and the HB9CV has only 3-4dB forward gain. Nonetheless, I setup HDSDR and added the M4 screen capture and logging tool from Andy, M0CYP. Tuned to GRAVES, I was hearing a number of pings during the day and had a couple of big pings too. So I left it running overnight and I thought I would share some initial results from last night. The first two images are the same ping, wrapping around the waterfall plot. The second two are part of a 61 second burst starting at 10:51:48 UTC this morning. Lots of other small pings and bursts too. There's much more to do to optomise the setup, particularly on the software front. I played with a couple of other packages, notably "Echoes" trying to setup to log the echoes in a usable format to analyse duration and intensity, but it failed ot detect any pings. Switching back to HDSDR almost immediately detected backscatter. One thing I haven't figured out yet, is the correct settings display the monitored frequency correctly on the logging tool. The frequency scale at the bottom of the logged plots in the detection software is incorrect, while in the tool itself and HDSDR they appear correctly tuned, see attachment 5. Note HDSDR and the detection too are tuned to 143.050, but the logged pings are at 143.0525. Perhaps, I need to read the help file some more... Looking forward to next weekend and the Perseids now!
  3. Just a reminder for you Shropshire/West Midlands folks, I'm arranging a low-key weekend of Perseid watching and general astronomy antics in Shropshire. Six quid a night, dark sky, friendly campsite. The details and some pictures are on my blog in the sig. Everyone welcome!
  4. Had a great evening yesterday, imaging and observing. Started with the moon, and later when it got dark enough I thought i'd have a go at trying to image M13 and then M57. I've not tried either before so it was a bit of an experiment and will be interesting to see what comes out of the final stack. Anyway, while the camera was doing its thing I sat back in a comfortable garden chair to watch for meteors, and over the course of a couple of hours saw at least 10 or so. They were mostly Perseids, but as one of the frames for the area around M57 shows a definite trail I thought i'd ask for opinions. So let me know what you think. I do recall seeing one meteor in this general area, but was not looking there all the time and am not sure it comes from the right direction to be a perseid, so perhaps its just a satellite? Image was 15 seconds at 1600 iso with a canon 6d on a bresser 127 L. The image is as it was taken, other than it being a lower res jpeg from the original raw file. Thanks for looking Daniel
  5. I've seen some beautiful images on the forum over the last few days, but I'm sure there must be more out there so show us your perseid images or images of you out there catching them. As I managed to catch one or two last night during a better than expected clear spell I thought I'd post the brightest one I caught.
  6. Hello All Some images of Perseid session of August 11-12th. Imaging done with GoPRo camera. Because of the cloudy weather, many frames could not be used and on some with brighter strikes, there were clouds present. All this means that the integrated image has a lot of artefacts. Processing done in PixInsight (first image integration with "Maximum" setting to get the Meteors out, second was "Average" to get the Milky Way) and if someone is interested in a video of stacked frames, you can find it here August 11-12th Perseid meteor shower time-lapse video. Best regards Andrej
  7. I have fallen out of the habbit of getting the scope out regularly over the summer and spring, partly because I've had so much going on this year and also because of the lighter evenings. However yesterday I had noticed it was going to be clear and so when the Mrs headed off to bed I made my excuses and went downstairs to get the scope out. I've lent my 127 mak to a friend and so I was using my 150p Newtonian on an AZ4 mount. As I was setting the telescope up I remembered that it was the Perseid meteor shower, so I grabbed the 10x50 bins and a hoodie and sat down on a deckchair to see what I could see, by now it was about 10:45. I fiddled with the planisphere for a minute or two, swept around with the bins and settled back to let my eyes adjust to the relative darkness. I was soon rewarded with a lovely coloured flash heading roughly north south, this was followed by couple of smaller ones which I half saw. From my back garden location east of Reading the sky appeared darker than recent nights, although I'm afraid I didn't work out the naked eye limiting magnitude, I must get into the habbit of doing that one day. The transparency was abnormally good and I could see hints of the milky way running overhead, which is rare indeed and I could see stars much further down to the southern horizon than normal. After about 20 minutes of watching for meteors I was getting a bit cold and got up from the deckchair to have a go with the scope. As I got up there was a very bright pass of the ISS I think it was 23:03 to 23:05 I thought to look at my phone after it had faded to note the time. I managed to grab the bins in time to get a good look at it. I lined up the scope using the telrad and 10x50 finder on M11 (one of my favourites), and when I looked up as I moved around to the eyepiece and there was another bright perseid I had caught a look at M11 last week, but this time it was clearer and the background darker, using the 15mm eye piece dark patches clearly visible among the stars that make up the cluster. Last week I tracked down M27 in Vulpecula, something which I had seen before but not properly appreciated at the time since it was just something I raced over using my 127SLTs goto function when I first got it. It had taken me 10 minutes or so to find last week, so I was pleased that with the remembered orientations of the main stars in Vulpecula through the 10x50 finder I was able to locate it in a couple of minutes this time. I found the 25mm eye piece to work well on M27 this time, at lower magnification it seemed to have a little more defined shape than when I used the 15mm before. Sadly it was a "school night" and I'd not planned the morning off or started earlier, so I knew that I'd better try and be in bed for 23:30. I quickly swung the scope around to have a look at M13 (I think I prefer the view of M13 through my 5" mak rather than my 6" newt), then packed up and headed in for the night to write my notes and go to bed. Unfortunately my mind was buzzing too much from the great ISS and perseid show to get to sleep quickly and the Mrs far too asleep to be interested in hearing about it. I'm now looking forward to getting the scope back out again soon. Tyr
  8. A meteor from last night's Perseid meteor Shower. It was a fantastic display - I've never seen so many meteors in one night, and really bright ones too. This is a single 30 second exposure at 1600 ISO taken at Ibstone Common (about 40 miles out of London).
  9. TractionMan

    Perseids2012

    From the album: Widefield Shots

    Perseids 2012, out of 133 exposures I only got 1 meteor. Better than nothing though.

    © Stellan Johansson

  10. Hi SGL, I had a great holiday at Ollys in Les Granges. While it was mainly a Deep Sky Imaging Holiday, I also shot some widefield and 50mm Canon images. On the last two nights I set up the widefield lens to see what Perseids I could catch. I got a few, and 2 left smoke trails for up to 15mins afterwards. Here is a video of one them. The quality is not great, and the de-flicker option does not seem to be working, but you should be able to see it on the right hand side. This is about a 25% crop of the full frame with DBE applied from PI. Thanks Tom. HD Timelapse version N2 smoke.mp4
  11. Two shots from over a 100 taken last night. These around 20:44 UT over NW Norfolk. Canon 450D with 40mm F2.8 lens ISO800 (I get LP towards the NE) at 20 secs. Mounted on a roughly polar aligned SW Star Adventurer. You can see the Perseus Double Cluster to the left of the brightest part of the meteor. I also saw a really good iridium flare around 21:00 UT but of course the camera did not have its shutter open. I was up until around 23:00 UT when the camera battery went flat. Beautiful clear skies from 21:30 UT onwards.
  12. I've finally grabbed a few minutes to do a basic sort on the videos I captured of this year's Perseids on my main meteor camera (Watec 902H2 Ultimate fitted with 2.1mm f1.0 Computar lens). I recorded nearly 70 Perseids. Here are three of them.
  13. Last night was a bit of a mixed bag in West Sussex. I managed to persuade my long-suffering wife to join me out on the patio with a couple of sunbeds facing northwards. I did enjoy the six I saw (to Janie's four!) but the viewing conditions were not good as the attached video confirms. Janie is used to my night-time excursions to the garden but her comment that this was more like a Meteor Drop than a shower was difficult to argue! I'm pleased to have read that others fared much better than we did ......
  14. When we observed the Perseids meteor shower 12 August 2016 my girlfriend Gunilla managed to shoot a great smoker. She uses a Canon EOS M with a 22mm f2.0 lens wide open mounted on a tripod. You can see the GIF animation here: http://astrofriend.eu/astronomy/my-astronomy-photo/meteor-shower/perseids-2016.html There is also a full HD animation link at the end of the text. Really nice and I didn't know the smoke can last for almost ten minutes. Lars and Gunilla from Sweden
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