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About Notty

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    Star Forming

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    Staffordshire / LV-426
  1. QHY Polemaster

    Haha thank you guys! I managed a single-figure number of nights for AP this year, so I really don't have time for anything other than plug and play. (Shame I don't have the money too, otherwise I wouldn't be looking for a bargain lol)
  2. QHY Polemaster

    Just to bump it, I'm still interested in one!
  3. QHY Polemaster

    Hi, what, as an alternative to one of these? No should I have?
  4. QHY Polemaster

    Cannot presently justify the cost of a new one , but if anyone is looking to sell theirs, let me know.
  5. I'm compelled to write that is simply one fantastic image!
  6. Lovely images there Coatesg, but newbie alert could you possibly explain this "brick wall" test for me please? I've just got one of these lenses and I'm showing some strange behaviour on some images and I'd love to be able to work out what's what. Thanks!
  7. Holiday snaps, my first go at wide field using an EOS6D and purchased especially for the occasion Samyang 14mm F/2.8. After all the pain of trying to learn deep sky from my disgustingly light polluted UK garden I found the simple luxury of being able to snap a up a lightweight tripod and snap to my heart's content really liberating and quite fantastic! Focus is hard to get right at this scale I found but I tried several test shots and decided roughly which setting looked sharpest (and other ideas? Bahtinov won't work at this scale surely). The first is a single 20s snap as it came out of the camera (the longest I could get without trailing) at ISO2000. One day I'll learn how to separate out the foreground so I can maybe combine multiples of the sky for better detail, but I like it. The second was just pointed at the sky and I stacked 10x20s along with a few darks. I cropped it quite heavily due to very bad vignetting, and I'm not sure what the trailed stars on one side only (below) represent, maybe an issue with my lens? Anyway I went to town on the processing such that it makes a quite striking wallpaper for my Mac! Hope you like them.
  8. ASI1600mm cool

    Hi sorry I've been away for a while, but yes I sorted it out with a longer dovetail I realised I already had, and just shifted the whole assembly till it balanced.
  9. Thanks Dave, it looks to me like this reticule is good enough for visual but nor precise enough for AP, especially as I'll be viewing head down through a diagonal so won't have the peripheral vision to line up on...
  10. Hi, I'm slowly putting together a portable imaging setup based around DSLR and Lightrack II mount etc, but I've had a bit of a to and fro over the polar scope, because the one I got first wasn't illuminated, but the one I have now (Lacerta) has a reticle I'm not used to, and looks like it relies of a very rough estimation orientation based on visual parallax with dub/merak etc. I'm not used to this kind of reticle, I'm used to a more precise finely graduated circle which makes it easy to replicate the hour angle supplied by most apps. So can anyone tell me, is there a clever way of using this kind of reticle to get precise enough PA for imaging, or is this type only any good for visual? Note I can't use the EQmod tools because this mount doesn't support it :-(
  11. I've been working on this portable setup to try and maximise my chances of getting any AP done during when working away from home. It's essentially a DSLR / Lightrack II system, and I've even found a way to attach my QHY mini guidescope with the QHY5L-II. I plan to control it with a ridiculously cheap (£120 brand new) Chuwi Win10 tablet which I chose because it has 2 USB ports; (1xUSB 2 and 1x USB3), and a small power tank. I'm waiting for an illuminated polariscope with 90 degree prism for ergonomic PA. It's a work in progress and the weather has left me zero chance to play with it this week as all the bits and pieces have been arriving, but I wonder if anyone else has this and mount and it up for guiding from PHD2, if so, I could do with some advice. The only port on the mount is a 3.5mm ST4 and it came with an RJ11-3.5mm ST4 cable. I therefore have USB-QHY from the tablet and the ST4 from the camera to the mount. Would the correct "mount" to select from PHD be "On Camera"? Anything ASCOM-ey I try and chose obviously throws up an error as EQMOD tries to detect a mount and fails - is this expected on this kind of setup? I'm only used to EQMOD pulse guiding so this is a new approach for me. Thanks for any tips.
  12. I would happily blow that up and put in on my wall and stare at it all day, it's gorgeous.
  13. My apologies, I thought I'd pulled this ad but obviously not, sorry!
  14. Backfocus for Camera

    Stupid question: is it possible to determine whether or not you've got the back spacing correct on a daylight subject? Otherwise can anyone tell me exactly what you're looking for in order to determine if you've got it right?