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Found 3 results

  1. Hi Everyone, Not posted some images since my introduction in the welcome section. With the dark nights finally back here in Scotland I thought Id share some of the DSOs I managed to capture back in Feb-April just before the light nights rolled in at the start of May. These were all stacked and edited in PixInsight. 1. The Running Man and Orion Nebula - less than an hour of integration time (SA pro + fuji 55-200mm lens). 2. Bodes and Cigar Galaxy - Less than an hour of integration time ( SA pro + SW 72 ED telescope). 3. Flame, Horsehead, Running Man and Orion Nebula - Less than an hour of integration time (SA pro + fuji 55-200mm lens). 4. Pinwheel Galaxy - 35 mins integration time (SA pro + SW 72 ED telescope). 5 Whirlpool Galaxy - 21 mins integration time (SA pro + SW 72 ED telescope). 6. Andromeda Galaxy - 1.5 minutes integration time (Move Shoot Move + fuji 55-200mm lens).
  2. Yesterday I managed to climb out of bed at a little past 3:30AM to get my small portable rig out to a small nearby park and setup to observe Jupiter, Saturn and Mars. I got the Skywatcher Evostar 72ED DS-Pro last summer so I was especially excited to see how it would perform on Mars because of its red wavelengths which many small fracs often have trouble with handling. At first it was partly cloudy but I persisted and was out and setup on the field at around 4AM. The sky was already surprisingly bright here in Denmark but Jupiter was shining bright and Saturn faintly visible almost right besides Jupiter. Fortunately for me it wasn't too cold, but I was happy I brought some gloves anyways;) This picture was taken at 5AM while I was observing Mars. I remember from last year that my scope didn't perform great on Jupiter for some reason, and the view of the gas giant wasn't anything different this time either. Using my 4.7mm ES 82 degree eyepiece not much detail visible except the two main bands and its moons. I would later return to Jupiter after the scope had cooled down a little and the view was perhaps a little sharper. Pointing the scope at Saturn, which I was very satisfied with last year, I was amazed of the detail the small scope managed to squeeze out. It doesn't compare to the view I had last year with my 10" dob under great conditions at 255X but I was able to easily spot surface banding on the planet itself, and the Cassini division was also surprisingly stable. I really enjoy the stable and consistent view through the small refractor! I observed Saturn for quite a while until I eventually set out to try to find Mars. At this point I couldn't even see Saturn with the naked eye but I was fortunate that Saturn and Mars were approximately the same elevation above the horizon. After a few sweeps across where I though Mars would be I finally located the small red speckle, this time with my 6.7mm eyepiece so I had a larger FOV. Switching to the 4.7mm, though still very small, I was surprised that I could pick up a dark surface marking across the disk on the lower southern half of the disk. Furthermore, the southern polar cap was really pronounced and you couldn't miss it. I watched Mars drift through the FOV until about 30 minutes after sunrise where the contrast between the planet and the sky became too low and the dew started to set on the lens element. Using my small refractor for observing the planets I have always wanted to magnify things a little bit more, and I think the telescope would have no problem doing so. A Nagler zoom 3-6mm has been on my wish-list for a couple of years now, but the upcoming planet season really makes me want to find one second hand Here's a video I've made that covers what I've written above with some footage I tried capturing through the eyepiece: I hope everyone on here is still doing well despite the current situation! Clear skies! Victor
  3. Hi, Sorry for the silly questions but I am trying to find out what the correct back focus should be for a Sky-watcher 72ed, I have searched high and low on the internet for a manual thinking this would tell me. I have a few CCD's but these have been used for planets using a CPC925, I have got a skyris 618m, ASI224mc, Alatir GPcam and a Alatir GPCAM 2 mono for guiding. I would like to try my 72ED with a ASI224MC and try some DSO imaging, when I tried to focus with the ASI I could not achieve focus. 1) Do I need a 50mm 2" extension for a DSLR and a 80mm 2" extension tube for a CCD. 2) Do I need a field flattener and a smaller extension tube if the flattener is used? 3) What would be a good CCD for imaging with a 72ed refractor? Any help or advice would be great Many thanks Craig
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