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Showing results for tags 'classic'.
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Hi SGL I popped this topic on CN too but noone seems to know anything. I came by an old Celestron Ultima 8 pre-PEC. I really like the scope and the mount it may be that I have read too much of Uncle Rod's and other's praise that I feel this scope has some intangible personality and charm. Anyway... Circuitry in the base seems to work fine even though the batteries don't hold charge but drive the Ra axis . I have 2 replacement on its way to me. Now my issue: It didn't come with a hand controller. I know it is not needed for tracking, and I don't have a Dec motor but I find it would be useful for centering in RA and D.A.R.V. method drift alignment. I was on the verge of making a crude controller out of veroboard and 4 momentary switches that I thought to be correct from the info on various sites, but then I came across an Ultima 8 project that clearly showed the hand controller for my scope. The pic attached is the one. I am looking for help on how the dial and buttons are wired in and/or photos of the innards of the hand controller or if anyone knows what else is inside the handbox. The sources I was going on so far is a combination of the following 3 links: https://www.cloudyni...ding/?p=8015749 https://onstep.group...in/message/6300 https://github.com/garlick/ultima8/blob/master/base/README.md These of course don't include drive rate rotary switch in the middle and if I could I would really like to to restore the full ability of this mount without spending too much on electronics. Plus I don't want to spend time and effort on wiring something that doesn't work. Oh and lastly I have no background or experience in electronics just own a soldering station and a whole lot of determination. Thanks in advance Greg
Hi all, I wish to try some classic (film) astrophotography with my beloved Praktica MTL3 Film SLR. I would like to buy some film rolls from Amazon.co.uk but I have no idea what's the right thing to buy. Searching google I did find some names/brands (it seems that Fuji Superia are highly advised - but what ISO?) but I'd like to hear from some more experienced people what are the generic rules for selecting a film roll suitable for Astrophotography. I.E. is it better B/W or Color ? High or Low ISO? Fine / Low Grain? High sensitivity to red? Are Near IR BW rolls like ILFORD SPX of any use? Also, most of the articles that I found are naming film rolls that are not available anymore. Which ones, currently available on Amazon UK, would you advise to buy? What are the recommendations for developing such rolls? Bear in mind that I'm an "intermediate beginner" so I do not have extreme expectations Thanks all & Clear Skies
Hello, All, Impulsive creature that I am, I seem to have decided to get back into astronomy after several years by acquiring a Fullerscope 4-1/2" f11 refractor OTA. It's one of the ones with the brass and the black crinkle finish. Unfortunately, it didn't come with a mount. Other than a Fullerscope mount, if I could find one, what else might anyone suggest for a substantial and appropriate-looking mount? Thanks! Joanna J, Winchester