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Everything posted by GordonD
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C11 oh my...Jupiter and Ganymede (UPDATED)
GordonD replied to BGazing's topic in Imaging - Planetary
That's an excellent photo. The detail on Jupiter is great and Ganymede is a bonus. -
That's a lovely report, a pleasure to read - well done! You found and looked a great range of objects for a 1st night. They say your first view of Saturn is something you will always remember. Thanks for posting this.
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Messier 81 (first galaxy with my new camera)
GordonD replied to Gabrielwiklund's topic in Observing - Deep Sky
Lovely image, so much detail, well done. -
Jupiter GRS & Io transit Aug 21st 2023
GordonD replied to Space Cowboy's topic in Imaging - Planetary
Your images are always wonderful - so detailed and lifelike. You have great skill. I always enjoy looking at them so thanks for posting them. -
Dew on objective lens or corrector.
GordonD replied to Grump Martian's topic in Discussions - Scopes / Whole setups
Yes my objective dews up quite often even with a reasonably long dew shield. So I got a dew strip that certainly helps although it is another thing to have to set up and yet more cabling. I do get condensation on the eyepiece but only when I get too close for extended periods and that evaporates reasonably well with a bit of fanning. (must get a little blower at some stage). -
Another vote from me. I managed to catch it one evening a few days ago in the dob and was surprised (again?) at how impressive it was. I have certainly observed it before but it never stuck in my mind as it did this time around. I don't get to see it often though as it is so low and of course at the time of year when it is visible the skies only darken very late. It would be great to see from somewhere further south so it was higher in the sky. I am sure you are right that it would rival M13.
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What a wonderful film- thanks for posting it
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This has been a good read on an interesting topic. I think @paulastro has an excellent point that visual observers don't leave a trail. I am happily doing visual and have played with a DSLR for AP and have tried a dedicated planetary recently so enjoying both is great.
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Lovely report - felt like I was there with you. I sat up for half an hour staring up for Perseids and got the grand total of one as well.
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If it is any use I use a couple of bar stool covers on mine (12" SW) to keep the spiders out. The size of your scope is a bit bigger of course but I can see some that may be big enough. This one says it will fit up to 42cm. https://www.amazon.co.uk/dp/B0BDXCKGTD/ref=sspa_dk_detail_1?psc=1&pd_rd_i=B0BDXCKGTD&pd_rd_w=qYeg8&content-id=amzn1.sym.7b0d8b34-54be-4fd2-9baf-2d658b11dc53&pf_rd_p=7b0d8b34-54be-4fd2-9baf-2d658b11dc53&pf_rd_r=BKN9KYSK1K1Z9HWG8Q5F&pd_rd_wg=4pzdE&pd_rd_r=71f6f790-5099-4546-a84c-3c09cb0563d4&s=kitchen&sp_csd=d2lkZ2V0TmFtZT1zcF9kZXRhaWxfdGhlbWF0aWM&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEzTzY1TFNZTk1GVVFIJmVuY3J5cHRlZElkPUEwMjg4MDkzM0dCSjQyUU1VOThRMyZlbmNyeXB0ZWRBZElkPUEwOTI2NDg0MUtZQlBYMjI4WDVSTyZ3aWRnZXROYW1lPXNwX2RldGFpbF90aGVtYXRpYyZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=
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I didn't see this thread earlier but was out viewing at about 8pm and, never having seen the X before, there it was clear, and obvious even though I wasn't looking for it at all. Must be all about the timing and I got lucky this evening. I have seen other people's photos but I had not realised it was quite so distinctive visually.
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A wonderful image group. That is just excellent - well done!
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Fantastic images - very impressed!
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This a timely topic for me as I just got hold of an Altair 2" prism that I thought would be interesting to compare against the SW Dialectric mirror one that came with the 120ED.I have not had a chance to really compare them optically to see if there is any useful difference yet, but the first target was Venus and I immediately noticed some purple false colouring that is not present with the mirror. I was a little surprised at this as I thought at F7.5 this would not be noticeable. Venus is of course a severe test for false colour so I am certainly not writing off this prism diagonal yet, for sure. Using the mirror the 120ED has always been pretty much free any any false colour. I will continue to test them both but I think it will take a while to come to a conclusion. Ideally a comparison on Jupiter to see if there is any difference in colour intensity and contrast. We'll see, I guess.
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Second that. I love being able to observe in a t-shirt once in a while even though aren't too many targets.
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Venus clouds under excellent conditions (3+4 June 2023)
GordonD replied to Kon's topic in Imaging - Planetary
Excellent! Wonderful detail in these. -
Astonishing detail - well done. I just explored around Hadley Rille in the full res version of the last one and it is so clear - incredible.
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Watching the video the conversion to night use involves removing the etalon and that will shorten the tube length by, what is it, about 4 or 5 cm? But the focus point from the objective would remain in the same place so I guess a 4-5cm extension would be needed. Hasten to add I don't have one, that is just what I would have thought is happening, if it helps at all. Good luck with it - looks like nice scope.
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Amazing images. Not sure I have ever seen anything quite so detailed before.
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Oh that is just superb. Well done! Showing it around to everyone I can find. My wife is very impressed.👍