melsmore
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Double stacking Sky-watcher AZ mount Extension Tubes
melsmore replied to melsmore's topic in Discussions - Mounts
Or if anyone can suggest a mini pier or extension tube with photo 3/8" and height of around 38-40 cm. -
Double stacking Sky-watcher AZ mount Extension Tubes
melsmore posted a topic in Discussions - Mounts
Hi All I have a ZWO TC40 Tripod with Sky-Watcher AZ mount Extension Tube, on top of which sits a Giro II Mini mount with TS80APOF6 telescope and counter weight, say <6Kg in all. Its a bit too close to the ground for me. Does anyone know if its OK to double-stack the Extension Tubes - or will I get too much vibration? Has anyone done this with similar weight equipment? I'll use it for my visual grab and go at powers up to 160x. I tried using it sitting on a low naughty step, which was OK getting my eye to the eyepiece, but then had trouble getting up again ☹️ -
Siril will, I believe, also process .SER files. Although I had some trouble with debayer with it.
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Mol Famau / Penycloddiau stargazing
melsmore replied to darthraptor82's topic in Star Parties & Astro Events
Yes, I think I’m around then. -
You've definitely got the hang of this now. Excellent images. Wish I could get to try some images. It’s clear outside now, but very windy.
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Thanks @jonbosley, nice picture. They're on my lunar list and looks like I have a wider observation window than I thought.
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Do you know exactly when this observation was made?
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Fantastic! Looks like you got them to me.
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You' may well be right: my rig is just over 11kg on a Vixen GPD2 (rated for 10kg). Focusing and setting the ADC is a wobbly challenge. It's alright for visual but ..... 🤔 I think it's time to sell some scopes to fund an upgrade.
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Another attempt at Jupiter, this time using the barlow tube rather than attaching it directly to end of the ADC. This should have given me closer to F28 compared to F21 - better for my 5.6 micron pixel size? Processed in astrosurface (alignment, selection and wavelets), with registax for colour balance and Gimp for adding the text and curves/levels. I think its better than my 24/11/2023 attempt - no grid pattern, and the seeing wasn't as good this time either.
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I think (hope) that a Christmas Elf will be preparing my one for despatch shortly. Has anyone tried two of these BVed yet?
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The grid pattern seems to have come from using 1.5 drizzle in AS!3. But I can't get the image any better, as I don't think I had the ADC aligned properly. I had a further three AVIs from the night, which I ran through WINJUPOS image de-rotation, but the end result was even worse. I need to get some better data. Thanks for the help.
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I used raw8 and debayered in AS3.
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The moons are Ganymede (close left) and Io. I thought Io would be more yellow, 🤔
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This is my first attempt to image Jupiter through my new APM140F7APO. Using Sharpcap, DBK21AUS618, ZWO ADC and 3x Barlow. Processed in AS!3, Registax and Gimp. I'm not entirely sure what I'm doing yet, so any advice would be appreciated.
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That's really excellent, well done!
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Did you try a svbonny 3-8 and TV 3-6 zooms? I'd be interested to know how well they do.
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Iapetus made an attractive pairing with TYC 5807-0033-1 at 2023-09-03.23:30 UTC. APM140 x245 (4mm Nirvana). 1 iapetus 2 TYC 5807-0033-1 3 Titan 4 Rhea 5 HD 212113 (which I've drawn too far East ). Here's a poor sketch.
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Certainly no one else on COBS has used anything smaller than a 4" scope on it....
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Excellent sketches.
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Show us your Vixen Scope or mount
melsmore replied to F15Rules's topic in Discussions - Scopes / Whole setups
You're probably right, I need to try it a bit more under proper darkness and at higher magnification. Then decide on half-pillar or new mount. I hope it'll just do it, as I really like my GPD2. 🤞But it is at the very top end weight wise and quite long .....