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I bought an older Skywatcher 120/1000 achromat last year and had it out yesterday observing the Moon - no cool down, no collimation, no cameras, no complications 🙂 Yes, there was a little bit of CA but nothing too off-putting. I was able to push magnification up to x250 using a 4mm eyepiece and the image wasn't losing sharpness. I have it mounted on a Vixen GP that has the Skywatcher Goto upgrade fitted.
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Your image is literally a mugshot! 😀
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Petavius and Humboldt (near limb, to the left) this evening. Orion OMC 140 Maksutov Zwo asi224mc Baader UV-IR Cut filter
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One of my favourite parts of the Moon: the rimae Ariadaeus, Hyginus and Triesnecker. Orion Optics OMC 140 Zwo asi224mc SvBony 685nm IR Pass Filter
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Janssen's hexagonal shape visible mid right this evening. This ancient walled plain is 195km in diameter. Orion Optics OMC 140 Zwo asi224mc Baader UV/IR Cut filter.
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Seeing was really poor here. I had captured with a Barlow trying to get Io on the GRS but nothing useable. The final run was un-Barlowed and by this time, Io had transited. I live in a built up area so I'm not sure if it was warm air from chimneys or if it was higher up in the atmosphere. Meade 10 inch SCT, Zwo asi224mc, Baader UV/IR Cut filter.
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There's a transit of Jupiter by Io taking place at the moment. I was trying to observe it visually (Orion OMC 140 Mak), couldn't make it out. I started to image it (was clearly visible) and going back to the visual, I could now see the transit using a 7mm part of a 21-7mm zoom.
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Hi, I had very good seeing this morning as well as a re-collimated scope and it really was clear to me that conditions were very good, even as I was watching the live view. Hopefully I have not pushed the processing too much! I have 30 minutes of data so I will try to use Winjupos as well as make an animation. Meade 10 inch SCT, Zwo asi 224mc, Baader UV-IR Cut Filter, 2x Barlow. 16,000 images, best 50% used. Final image reduced to 80%. Clear skies Peter
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Thanks..I got feedback and the flaring on Io was not due to not having an ADC but actually due to the scope being ever so slightly out of collimation (I confirmed this and re-collimated last night, shutting the stable door when the horse has bolted 😏). I'll start doing a star test before imaging, when possible, in future.
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Hi, Here's my first Jupiter of 2023. It was such a novelty to have it at 52 degrees elevation. I didn't use an ADC but in retrospect, maybe I should have because of the colour fringing on Io. Conditions were good, it was cool and still in the early morning. Equipment: Meade 10 inch SCT, Zwo asi224mc, 2x Barlow, Baader UV-IR Cut Filter. PIPP, Autostekkert!3, Registax6 22k images captured, best 25% used. Final image resized to 60%. Thanks for looking and clear skies! Peter
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Thanks! Seeing deteriorated as I was imaging - I did capture with a x1.5 and then a X2 but the results were getting progressively worse -probably should have started with the x2 Barlow..
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Hi, Here's Saturn this morning at 26 degrees elevation. I thought the seeing was going to be better but there was quite a bit of shimmer unfortunately. 10 inch Meade SCT, Zwo asi224mc, Baader UV/IR cut filter, Zwo ADC. Unbarlowed. 60K images captured, best 10% used. PIPP, AutoStekkert!3, Registax6. Original image resized to 80%. Clear skies, Peter