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Everything posted by Demonperformer
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Nice going. I keep thinking about buying one of these beasts. Currently trying to learn sketchup - no point spending out on a printer before I can produce the templates for what I need!
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Refractor vs Maksutov
Demonperformer replied to xvariablestarx's topic in Discussions - Scopes / Whole setups
Not sure, but my guess would be that it is something to do with the central obstruction of the mak (loss of light grasp). -
Also, how far apart are your alignment points? Slight errors on close alignment points result in magnified errors as you move further away. Alignment on my SE mount got a lot better when (1) I started using a reticle eyepiece, and (2) I started using points that were significantly different in both alt and az.
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Nice one, Lucas. Do you intend adding any OIII into the mix?
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I could do with something like that for my 8" sct when I'm trying to get it onto the EQ6 mount.
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I had never used mine, but wanted to check it worked before selling it. Of course, I couldn't find the manual that came with it so went looking on the Internet and found this ... eventually.
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Granted this might be of limited interest, but I had a major problem trying to find this this morning as Skywatcher seem to have decided anyone still using one of these can fend for themselves and have removed it from their website. So, in case anyone else is looking - and in case the site I found it on decides to follow SW's example - I am uploading a copy of the SW syntrek manual here so one will always be available. Syntrek manual.pdf
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Setting up a Raspberry Pi for Astro Imaging and Control - Ubuntu Mate
Demonperformer commented on Gina's blog entry in Astro Projects
It's only just over six months, Gina -
Gina's Mini Dome Observatory for Widefield Imaging Rig
Demonperformer replied to Gina's topic in DIY Observatories
You had me at 'easier to make'! -
HI, Lorenzo, & welcome to SGL.
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SynScan WiFi and iOS - dummies guide!
Demonperformer replied to Dazzyt66's topic in Member Equipment Reviews
Love the idea of plugging wife adapter into the mount. Ain't autocorrect great. -
Heritage 100p f/4 (Mini Quattro) EAA experiment
Demonperformer replied to Chris's topic in EEVA - Reports
Well, I guess that is better than wanting to sell-up completely. Also, you got an additional star on the right of the pic (HD 5914 - m6.46?) - I suspect the dot at the bottom is a hot pixel as it also appears on the way-out-of-focus shots. Don't know what your exposure time was like, but I would guess that it was not particularly long for focussing on Polaris. So that would be promising. I used to try to use my 6/8SE mount with a refractor and found that (for some reason I could never fathom - don't you just hate those?) it would only align if I put the scope into the mount facing what I always considered to be backwards. If I put it in "the right way round" it would always say it was aligned and then head off in precisely the opposite direction. Sounds as if it might be a similar problem? No guarantees, but if the same thing happens next time you try it, you could try removing the ota, turning it round and putting it back on the other way round. Stranger things have worked! [This is assuming that the "last time [you] used it" was with the SE scope, not with this one] -
Guidescope Suitability Calculator
Demonperformer replied to FLO's topic in Sponsor Announcements and Offers
My result is 1:1.17 Sorry, got that wrong - it's 1:0.99. -
Lunar Terminator Visualisation tool
Demonperformer replied to johnfosteruk's topic in Imaging - Lunar
Just had a look at the link and got a message that it is closing. Get it while you can. -
ZWO ASI1600MM-Pro - Darks/Bias Necessary?
Demonperformer replied to mikey2000's topic in Getting Started With Imaging
I use my old film-camera changing bag for taking darks. -
Heritage 100p f/4 (Mini Quattro) EAA experiment
Demonperformer replied to Chris's topic in EEVA - Reports
Thanks, Chris. Yes, the weather has been great here as well, but I know some parts of the country have been managing to have some clear skies. I will continue to wait patiently for updates .... -
Heritage 100p f/4 (Mini Quattro) EAA experiment
Demonperformer replied to Chris's topic in EEVA - Reports
Just wondering if you have had a chance to try this yet and how it went if you have. Thanks. -
Heritage 100p f/4 (Mini Quattro) EAA experiment
Demonperformer replied to Chris's topic in EEVA - Reports
I will follow this thread with interest - this is something I have wondered about from time to time. -
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Checking out a used scope
Demonperformer replied to Miguel1983's topic in Discussions - Scopes / Whole setups
That looks like one very impressive scope. Congratulations on your purchase. Glad you are getting on well with the "skyalign" feature. If you get no joy with an answer to your "update" problem (sorry, no idea) it may be worth trying the Yahoo NexStarGPS Group. -
Newbie Sky-watcher 72ed owner questions
Demonperformer replied to CP30's topic in Getting Started Equipment Help and Advice
Wow! What a result first time out! Congratulations.- 12 replies
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- 72ed
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Oscar Wilde once said* “The only way to get rid of a temptation is to yield to it” ... button pressed ... *The Picture of Dorian Gray, 1890
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That is MEGA-seriously tempting ....
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Just realised there is a cooled version of the 224 - I previously assumed yours was uncooled - is this correct? Thanks.