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Everything posted by chiltonstar
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Getting the most from a smallish scope with Jupiter
chiltonstar replied to chiltonstar's topic in Imaging - Planetary
Thanks for this @Vlav. Each avi was treated the same - 50% used. I tried Pipp with these files, but it was slightly less sharp. With Winjupos, good register but noisier. Chris -
Getting the most from a smallish scope with Jupiter
chiltonstar replied to chiltonstar's topic in Imaging - Planetary
I collected a sequence of 5ms/6000 frame avi's, processed each in AS, then registered and stacked 6 of these (6 mins) in Registax and PS. Chris -
If it is a contrast effect it looks much the same in my tiddly scope (apologies for the processing, my skills are limited). Chris
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Nice. With my 180 Mak last night, I found there was a lot more shadow detail on the disk than I normally see - transparency maybe as the Milky Way was very bright and clear with the naked eye. I always think it looks weird when the moon shadow is "on the wrong side" after opposition. Chris
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Very nice. Pity Europa just missed the GRS! Chris
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1st light ASI462MC - Jupiter 29 Sept 2022
chiltonstar replied to geoflewis's topic in Imaging - Planetary
Nice images - the camera looks good! I was also out - excellent transparency, average seeing but at least the GRS showed some detail. I struggle with avoiding muddy looking images though. Chris -
Lovely images! Personally I prefer detail to aesthetics, so I like the first image. Which scope we're you using? Chris
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I have agriculture on three sides! I can live with the megawatt lights on the combines, but the dust is a pain. Maybe why I have always used closed- tube scopes after a brief try with a newt! Chris
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Always a joy to watch moon transits across Jupiter. I put the camera on the scope for this one as the seeing was half decent, although the transparency wwas poor and dew was running off everything including the laptop. 180 Mak, AS1220 Colour camera, ADC. Image processed in AS and PS. Chris
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When is a split not a split?
chiltonstar replied to Zermelo's topic in Observing and Imaging Double and Variable Stars
A definite "maybe". Chris -
When is a split not a split?
chiltonstar replied to Zermelo's topic in Observing and Imaging Double and Variable Stars
If I can see the secondary clearly I feel I've split it - sometimes increasing the mag does make the secondary clearer, either by moving it away from the diff ring (if it is close to it, not actually embedded in it), or by making the diff ring fainter and the Airy disk of the secondary more apparent. I often use a zoom EP to play with the mag until I have the best view. The attached stacked image is Zeta Her with a 127 Mak - I would say it is "split". Chris -
Nice detail and colours. Chris
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Very nice detail in the GRS Neil! Chris
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Another Saturn, imaged last night around midnight. Compared with a few days ago, the transparency was better showing more banding on the disk, but slightly less ring detail as the seeing was slightly poorer. I've shown both for comparison. Mak 180 at f15, ADC, AS1220 colour camera. AVIs stacked in 3000 frame stacks in AS, then stacked and sharpened in Registax. Chris
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Doubles trouble..scope choice
chiltonstar replied to Jimboscotland's topic in Observing and Imaging Double and Variable Stars
Another consideration worth factoring in is ease of viewing. A short tube refractor or a mak makes it a lot easier to see doubles well up in the sky. Otherwise, lying on one's back on the grass at 3 am is less easy when you're 70 plus - a refractor with a long tube requires you to be physically 100% and impervious to chill. Chris -
Good detail - shows what maks can do!
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Superb Jupiter for 8". Chris
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A lot more banding if I over-sharpen some of the stacked AVIs, but it gets too noisy as the aperture is only 7" - I need a C14! Chris
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Saturn is looking a little clearer here as the heat haze seems to be improving a bit in these parts, although there are clouds of dust and wheat and barley chaff to contend with as the combines work to the E, S, and W of my garden. Imaged around midnight at f15, 180 Mak, ADC and ASI220 colour camera, 3000/10000 frames. Chris
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Double shadow Jupiter 9th August
chiltonstar replied to neil phillips's topic in Imaging - Planetary
Very nice indeed Neil - good to see detail coming up on G. Chris -
Very nice! Good to see Enke nicely resolved. Chris
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Simply stunning!
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Resolution TRUTH--finest scale
chiltonstar replied to A Scanner_darkly's topic in Getting Started With Observing
Was this a possible destination for someone Neil? or maybe you were suggesting an alternative and much better resolution target for a scope than what was proposed? Or maybe I misread it and you were referring to a well-known intelligence agency.... Chris -
Very nice detail that only aperture can give! Chris