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Found 504 results

  1. What are the chances of seeing an impact on the moon? I see there was an impact in March 2013 visible to the naked eye. Then an even bigger one later that year. They might have created craters 20 and 40 meters across. Did they know beforehand? And could they tell us in future? And what are the chances of one ten times bigger? I know you'd need luck. The impact on the facing side of the moon. A clear night. It indeed being night at the time. The moon being visible at all. But would be great to see it. Is there any chance in the next 15 years or am I asking the impossible?
  2. Hello I am very happy to present you one of the most resolute images of the Tycho crater taken from the earth. The only one I know much more accurate was taken by the telescope of 1 meter from the Pic du Midi at 2880 m altitude. http://cdn.astrobin.com/images/thumbs/2779e738dc68a43e601feffd924c35b0.1824x0_q100_watermark.jpg I have taken it in infrared but I can do a little better by using smaller frequency filters but it is necessary that the turbulence is low. Clear skies Luc CATHALA This one was taken the day before with barlow 3 and IR685.
  3. Finally got round to using ICE for the first time on this 2 pane mosaic of the full moon from several weeks ago with my Mak and Canon 1100D. Was pretty easy to do and I'm really impressed how ICE does it all automatically. A little blurred but hey, user error... ?
  4. Here is a Sony Handycam shot of the August full moon, also known as the Fruit Moon by the Cherokee people of the Southeastern United States, and the Sturgeon Moon by the Native peoples of the U.S. Great Lakes region. The Fruit Moon was so named because it occurred during the season of the ripening of fruit. The Sturgeon Moon was so named because it occurred during the peak of the sturgeon fish in the Great Lakes. Enjoy some original Native American-inspired music on Native flute, powwow drum and ankle bells as you watch the August moon slowly rise. The musical selection is called "The Gathering", from my collection of Native American-inspired pieces, TSALAGI CITIZEN, available here: http://www.cdbaby.com/cd/wodigewehali O-Siyo! Reggie
  5. I watch a lot of amateur astronomy videos on YT now that i've got into it as a hobby, we all know the Moon is an unlikely partner in space, why it's here (i think there's around five competing theories as to it's appearance in our Solar system), why it has such a low apparent density, why it's the perfect size to eclipse the Sun, transient Lunar phenomenon etc ... One thing i find hard to explain is the hexagonal craters. A quick search brings up lots of academic resuolts, it's obviously an interesting problem to many serious researchers, how can a normal impact crater go from round to hexagonal ? There's a reddit discussion : Sorry, didn't realise links were being actively parsed! That discussion starts with (i didn't read it all) the sub-surface crack theory. I think that can be thrown out immediately since sub-surface cracks don't sporadically form heacgoanl nodes her, there and everywhere ! Three are lots of thjeories, many of them involving mineral deposits, such as Basalt, but deposits that form instantly upon an asteroid impact and organize themselves into multi-kilometre-wide hexagons? It's not The Devil's Causeway ! I know no-one here can know why some of them are hexagonal, none of us has Hubble at our fingetips, but i'd be interested to hear other theories, i've only done a quick bit of searching.
  6. Here is a video of the moon at around 6:50AM though the optics of my Tal100RS russian refractor. Camera used is a Canon EOM M mirrorless using prime focus. Mount HEQ5 Pro belt mod. Link to video:
  7. Storms are moving in so had the bring the rig inside for who knows how long so here is my obligatory evil orb shot of course. This was done with my 90's C8 using of all things my AstroTech field flattener which is the only correcter I have that actually works on my SCTs go figure. Pretty sharp side to side. 10k captured AVI frames using BYEOS and my T5i in planetary mode and used the best 3500 of those stacked using PIPP, AS!2 and finally Registax. Slight tweeking in Camera RAW and resized for post. Let me know what you think.
  8. Got a photo of the Moon with corona a couple of nights ago, not through the telescope but through a camera, hope that's allowed ? Cheers, Gary.
  9. acr_astro

    Hyginus area

    Hi all, tonight, the clouds vanished for some hours so I set up the Dobsonian on the terrace and did a lunar sketch again. Telescope: Martini 10" f/5 Truss tube Dobsonian Eyepiece: Skywatcher 5mm UWA 58° Date & Time: Feb 3rd, 1800-1900 CET Location: home terrace, Dusseldorf region, Germany Technique: chalk and charcoal pens on black sketching paper Size: 11"x11" Literature: Craters of the Nearside Moon, Features of the Nearside Moon (both by John Moore) Right in the center of the 200km Rima Hyginus, there's Hyginus itself which - as per Moore -- is assumed to be a volcanic caldera instead of an impact crater. Southwest of it there is the crater Hyginus A. Further to the west and south, Rimae Triesnecker lead to the crater Triesnecker whose northwestern rim wasn't illuminated yet. Clear skies! Achim
  10. Hello An evening not too bad compared to others of this lunation and to the view of the results. Yet the turbulence was there but in the holes there were visible details on the screen. The high moon helped me a lot. I took some classics to check the quality and took more exotic craters. For the first time I had good conditions to have Gassendi I am very satisfied. The 625 mm becomes more and more efficient. What previously was exceptional now becomes normal. I hope you like it. As usual a reduced image and a large format. Clear skies. Luc
  11. Hi, all. Are you ready to moonwalk? Check out this image I captured using the Orion electronic imager and my Orion 180mm Mak-Cass: Copernicus really stands out, as does Aristarchus. I love the Seas. Grimaldi looks good, too! Regards, Reggie
  12. Just in case anyone is interested I came across a website that had 35 gigabytes of images from the Chinese mission, these have all be released by the Chinese to the public domain. THE PLANETARY SOCIETY I have spent hours looking at them Andrew
  13. Having purchased an IS camera from Helen at SGLXI to pick up lunar imaging again, I thought I'd better do some!! I have forgotten heaps on processing lunar images, so learning again from scratch! Feel free to comment robustly And I'm pretty sure it's Plato... but I could be wrong!!! So, I think there are about 1,000 frames from 5 videos in this, but this was my first time using Autostakkert, so can't be sure! Camera: IS DBK21 Scope: GSO RC f/8 - no barlow Mount: EQ6 Capture: SharpCap Processing: Aligned and stacked each video in Autostakkert, manually aligned in CS5. Levels, curves, High pass filter, unsharp mask, despeckle, FocusMagic
  14. After a week or two of solid cloud I finally got a chance to take a quick snapshot of the moon with my new camera, no filters or lenses used so not as good as it could be but im just happy to have been able to test the camera it is a afocal shot with the camera physically held against the telescope no filters or barlow lenses etc used and a single shot
  15. nice to see the moon in the day again at a decent hight. taken from obsy room window with 120mm frac,2xed barlow,450d, iso 400,65 frames staxed with regi. thanks for looking,clear skys charl.
  16. Hello Saturday clear sky night I took the opportunity despite a good turbulence and the other from a fireplace. The turbulence is visible at the edge of shadows that I have not usually on my pictures. There was also a very very thin cirrus thickened at the end of the session with a beautiful halo around the moon. Click on image to full résolution. Others images at : http://www.astrobin.com/users/CATHALA.Luc.CATLUC/ Clear Sky Luc CATHALA
  17. A Lunar close-up taken on 2nd October showing Crater Plato at the top, Crater Aristillus and Crater Autolycus in the middle left in Mare Serenitatis just above Montes Caucasus (the mountain range), and Crater Aristoteles and Crater Eudoxus in the middle of the image.
  18. Evening all, last night i manage to get out and grab a quick avi to test out my new asi 120mm at moon rise so this was quite low on the horizon when captured I have also got the manual filter wheel and lrgb filters but didnt have enough time between the clouds to try them out . This avi was 30 seconds long at 1280x960 27fps I have to say there is a massive diffence in quality compared to my old Qhy5v and im looking forward to getting a full cloudless night to play with the camera and filter wheel properly thanks for looking Dale
  19. Woke up for a 2AM moon mosaic. It was cloudy with a few drops of rain when I first looked out, but I gave it 30 minutes as all the weather apps were showing a clear break and low and behold, the clouds parted for an hour for me to do my stuff. First mosaic with the 130P-DS and it was lots quicker than doing it with my 200p due to the decrease in magnification. Taken with a 130P-DS, HEQ5, QHY5l-iiC. Approx 11 panes in this image of varying qualities.
  20. Hi all, Not had the time to image and post up recently for various reasons (mostly duet the rubbish weather!). But dragged myself out on the evening of the 25th, and I have to say it was the best decision I made that day! I must have been in a spot of really stable air...not much wind, and the transparency was pretty good. I took around 30 or so AVI's of different targets, both with and without a x2 barlow. I have had an image in mind for quite a while, but wither the phase was not right, or the weather on that particular night was poor...so its taken about 9 months to get the shot I wanted....though that is not the shot below. I thought I would test out the captures just to make sure it was worth staying out, and this was the image that came back. a x 2 image of the Straight Wall, along with Arzachel. quite a lot of detail to be seen in this one. processed in AS2, RS6, PS5....and thats it. I have the rest of the images to sift through, but the one I wanted is also looking good so will take my time with that. I will post up some others when I get round to it...worth saving some for a rainy day with our summers! Edge800 HD, AVX, ZWO120mm-s, Baader Red filter. TV x 2 barlow. Not had time to do my usual blurb, so will do a final version when I see how good the other shots of this area are. Thanks for looking
  21. hello Unable to make films because turbulence so I take on old movies on my hard drive. A mosaic made with images of 2012 I reprocessed. A red filter causes kickback in the shadows, but the image quality allows a presentation to 150%. I hope you like the walk. Smallest details in Clavius between 550 and 600 m. Click on the image for 100%. Good day. Luc CATHALA
  22. Not the best image but I was excited to try out my new scope - not sure I have set things up correctly but this was the best shot of the moon last night. Not a big effort just pleased with what I got. Simple shot with EOS 100D and no processing other than cropped the original. Once I get my imaging setup sorted out I will be aiming for better!
  23. Hi, Feedback and advice appreciated. Images below were taken saturday night between 11.30 and about 2.30am. Celestron Evolution 9.25 with Skyris 445c. Captured using iCap software (comes with the Skyris) and processed with Registax (also with Skyris). Notes: Windy and some slight haziness like fine clouds. Questions: Dew shield on (essential as it is very prone to dew) and couldn't work out how to use the bahtinov mask without moving everything trying to put the dew shield back again! Focus through EP was spot on but removal of EP and diagonal to put Skyris into prime focus meant need to significantly adjust focus - this was tricky on the laptop using liveview in iCap. I think the lunar shots are poorly focused but was otherwise pleased with the detail. Saturn images are pretty much as they were through the EP and the video was bouncing and blurring mainly due to the wind. Not sure why the colour is so poor though - is this because Saturn is just so low or I need to take images through EP / barlow? Same issues with focussing in liveview. A lot of questions - early days and so much to learn! Also any idea what attachment I need to connect the Skyris to my Baader EPs - I have the Canon EOS 100D and the adaptor (from FLO) attachs to the EPs. The Skyris has a 1.25" nosepeice so I'm wondering if there is some sort of adaptor? Lastly, should I break the questions up into different topics or forum areas or is it ok to do it this way? Also what format is best for posting an image? I also tried Autostakkert but it wouldn't allow me to use the avi files created in the iCap software used with the Skyris. Regards, Tonymoon 3.tifSaturn video 0016 15-06-07 02-05-37.tifSaturn 2 video 0016 15-06-07 02-05-37.tifSaturn 3 video 0016 15-06-07 02-05-37.tifSaturn 4 video 0016 15-06-07 02-05-37.tif
  24. Mare Crisium seen from Ortigia in Siracusa, Sicily. 31 August 2015 1000 frames processed in PIPP, Registax and PhotoshopEquipmentCelestron NexStar 127 SLTGoTo AltAz mount with homemade wedgeZWO ASI120 MC imagaing camera
  25. Moon Mosaic 29-9-15 2200h, 8 panel, 400 frames per panel. taken with ED80 2X ED barlow sony alpha. thanks for looking, clear skys charl.
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