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Found 19 results

  1. https://youtu.be/yG9BFrbyG9BFrb1k1s Guys any suggestions on how to get better results using a 5inch reflector? For this I used a smartphone to capture 10s video at ISO:200 ,shutter: 1/100 Preprocessing in PIPP and stacked in registax with some wavelets too.
  2. I want to start planetary imaging under 100 USD do someone can help me out ?
  3. Hello , I just bought my new Newtonian, reflecter and I looked jupiter and saturn the views were great but when I tried to capture thwn with my smartphone they become white balls then I adjusted the exposure settings on my smartphone everything vanishes . I got a descent photo of saturn with cassini division but jupiter was still looking like a white balls . should I buy a ZWO 120 MC or modify a logitech c270 and if you have a solution to fix that smartphone problem please help me out .
  4. Hi there, I am relatively new to astronomy, as well as this forum so I'm sorry if anything seems obvious that I don't pick up on. However after using a very basic set up to capture some photos of the moon I wanted to invest in some astrophotography equipment. Ideally I am looking to spend around £800 - £900, and I wanted some ideas on good mounts as well as scopes that can be used to take decent images of the moon along with other celestial bodies in the solar system. I have been looking at the Celestron Nexstar 6SE as well as the sky watcher explorer/evostar series attached to a EQ-5 Pro GOTO Mount but as I said I am relatively new to the hobby and have no idea what's good and what's bad. I would also prefer it if the mount is suitable for deep sky astrophotography along with planetary imaging as once I get the hang of planetary imaging I would like to take a stab at deep sky astrophotography. Any help would be greatly appreciated. Ryan
  5. Hi Guys, I know, 130PDS is not the right tool for Planetary AP, - but "you use what you have, don't you?" I wonder if someone has managed to get decent or maybe even amazing pics of our neighbour planets with 130PDS? Please be free to share you planetary pics below and share your knowledge with others in this field. I tried on Jupiter several times with and without barlow and the results were very... I mean, VERY bad I even afraid to show them but till last night, As I managed to get something recognizable as a Jupiter at last I am still a beginner and my first 2 cents below. 130PDS, ZWO ASI224MC, 3xBarlow, SharpCap Gain=400
  6. Hey guys, i need your help once more. I was planning on getting the orion xx12g so i could do some visual observation but planetary imaging as well. If I were to connect a webcam such as the neximage, does anyone know if I can focus the camera or if I would need to get a barlow? I live in Woodstock Ny so light pollution is not very strong (on charts I think its a dark green zone). Would i need to get a 4x or 2x powermate/barlow? If anyone can help me that would be great. thanks
  7. Morning all, Been a bit slow sharing this cos I keep trying to reprocess to get a better result - this one is from 90s captures in each channel, de-rotated the AVIs in Winjupos, but I've just aligned the final RGB images in Photoshop. I'm having real trouble with the RGB image de-rotation process in Winjupos; it seems to add loads of noise that's not there in the source images...? Anyone else seen this? Anyway, this one is still somewhat noisy but I'm fairly satisfied considering I haven't done much with this equipment for a while! I got several other captures that night so am considering doing a little animation just for giggles. Haven't tried that before. Cheers folks Jim Celestron 9.25" SCT, DMK21 w/ ICX618 cip, Astronomik LRGB filters, EQ6 SE London murky smoggy 'orrible skies
  8. This morning I set out to get some images of Mars and Saturn, having got a good result with Jupiter a few nights ago. It turned out to be one of those occasions when almost everything seemed to go wrong. I struggled for ages in the dark to get the 8SE mount attached to the tripod (it has some white stickers on it now), the solar system align turned out to be inaccurate, and the laptop kept crashing. It became a race to get some result before daylight intervened. I aimed at Jupiter, and tried out Sharpcap's exposure histogram before turning to Saturn. The focus would not come good (as the stacked images confirm) so I switched to Mars, with the result shown below. The dark smudge appears in all six videos and seems to match the position of Syrtis Major. The Mars result looks encouraging, considering that it will be twice this apparent size at opposition. The altitude of Mars was about 10 deg. Equipment: C8 SE, ASI120MC, ADC, processed in Registax6
  9. Hi, As the title suggests. Poor weather here, but it would be good to see other people's images! John
  10. Finally, Jupiter is back in the night sky! Oh, how I have missed this beautiful gas giant of a planet. As much as I enjoy imaging deep sky objects, my first love will always be planetary imaging. There is just something about imaging our local neighbors that puts me in a wonderful mood. Watching Jupiter rotate throughout the night is a sight to behold, and for such a large planet it does so about every 10 hours as opposed to our 24 hour Earth rotation. This means I can watch the great red spot on Jupiter slide across the surface in a matter of hours, and I can even see the movement of its 4 brighter moons. The black dot you see in the image is a shadow transit of Europa, one of Jupiter's larger moons. P.S. This is my best image of Jupiter...so far Technical details: 9,000 frames de-rotated in Winjupos Stacked in Autostakkert2 Sharpened in Avistack2 and PS Celestron Nexstar 6se telescope + 2x Barlow + 24mm eyepiece and extension tube Celestron AVX Mount Asi120mc-s camera http://coachella-astronomy-astrophotography.blogspot.com/2017/02/jupiter-2-1-17.html
  11. I took the image below on the morning of 23 April using: Celestron C8, ASI120MC camera, ADC. It shows more detail of the belts than my previous efforts, but while processing I thought that the image seemed on the dim side. I had set the exposure for maximum apparent contrast on the raw live image. I think there is some histogram thing in Smartcap for this but it's hard to recollect that sort of thing when out in the dark. Ditto the focus - I adjusted for what looked sharpest and hoped for the best. Also the ADC - I tried it out on Venus a few hours earlier with a different telescope and dropped it into the C8 with the same setting (and the same way up). Absence of fringes looked okay so I left it like that. Is there some 'best' way of setting it? BTW I have calculated the angular sizes of Jupiter's principal moons and got results of 2" or 3" of arc. So they should resolve with good equipment. Right?
  12. Hi, I caught Jupiter in the evening (I hate early morning viewing!!!) for the first time last week, and I've just done some final processing of the results. I'm really annoyed that I cant hit on the red spot, every time I look at/image Jupiter its not there. I think that this image shows enough detail that it would have been visible if it had been there. (I checked Stellarium later that night, and the red spot was on the wrong side of Jupiter ). I'm really hoping that I'll get the spot some time, I guess I'll just need to check on Stellarium every time there's clear sky. Explorer 130 on EQ2 Orion StarShoot Solar System Colour Imager 4 Stacked and sharpened in Registax Processed in Gimp Any advice/ suggestions to improve my imaging would be welcome. John
  13. Night of 12-13 June. I had not had a go at Saturn and Mars for some time, so set up the C8 to image them. Kit: Celestron C8 SE SLT, ASI120MC, ADC. Seeing: initially poor but improving through night. The Jupiter images were unexceptional, but the Saturn ones resolve the Cassini division well (compared with my earlier efforts). The rings look odd - I wonder if this is the conjunction brightening I have read about? Mars was very low when imaged at around 2am BST. I packed up because I was tired and cloud cover was forecast. I still got some surface detail.
  14. What are the two axes on the quality graph in AS!2, and what does the length of the grey lines represent?
  15. I'm new to planetary imaging and struggling with recording of calibration frames. How do I take calibration frames (bias, dark and flat-field) with a monochrome CCD (DMK) used with a filter wheel, do I have to record a video in AVI- / SER-file format or just a single image (in which format)? Wolfgang
  16. Early this morning (1 May) I imaged Jupiter, Saturn & Mars with my C8. (Celestron C8 SE, ASI120MC, ADC). When I tried processing the image videos, at the 'wavelet' stage in Registax6, Registax would not improve the blurred image at all on the Jupiter and Saturn images. (0.100 sharpen, 100%) I have had this happen before and put it down to poor seeing and poor raw images. The raw images here looked rather blurry. However the Mars images, taken under the same conditions, turned out quite well, with a fairly sharp planetary edge and a real-looking dark patch. Not bad considering the small size (about 10") and the low altitude (about 10 deg) and the indifferent seeing. Can more experienced imagers suggest the problem with the Jupiter and Saturn imaging? All three planets were imaged within an hour, with a 1000 frame .ser video (converted to .avi with PIPP because Registax did not accept the .ser files) and processed in Registax6. Initally I focused on a Jupiter moon, and I refocused for Mars on Altair, at which point the focus seemed close. UPDATE: I tried processing again with different settings, and got the Saturn images up to the standard of my previous efforts. The Jupiter images improved, but remained poor, showing just the two principal cloud belts (but it was low when imaged).
  17. Got some images of the Europa transit, with C8, ASI120MC, ADC. Processed in Registax6. Also two other moons. I don't see colour in this image at all, either to the eye or in the histograms. It was recorded as a RAW16 .ser file, which I thought would be colour (and Registax gives it a tick for colour). I wondered if I had goofed somewhere. So tried turning up the colour saturation (2nd image).
  18. Mars 6-23-16 Cathedral City CA - Nexstar 6se asi120MC-S Here is a shot of Mars taken last night 6-23-16. Mars is shining brightly at the moment, due to its recent opposition last month. The desert heat has limited my deep sky imaging lately due to tons of image noise, but the planets are still shining brightly, as is the moon. This was taken with my new ZWO asi120mc-s planetary camera attached to a Nexstar 6se. This camera blows my old Phillips spc900 webcam out of the water! The surface details really stick out in this one, and you can see cloud formations. This is my best image of Mars...so far! http://coachella-astronomy-astrophotography.blogspot.com/2016/06/mars-6-23-16-cathedral-city-ca-nexstar.html
  19. A really useful article on Atmospheric Dispersion and the use of Atmospheric Dispersion Correctors by Damian Peach has been published on the BAA website under tutorials: https://britastro.org/node/9058 I'd asked about the use of ADCs on the BAA Forum (https://britastro.org/node/9268) and I wonder if many SGL planetary imagers are using them or have tips on their use? James
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