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JimFR

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Everything posted by JimFR

  1. JimFR
    Aha… think I’ve found the cause of the lock nut slipping… It’s in (maybe light) contact with the RA motor cover, which is causing it to drag and loosen.
  2. JimFR
    Thanks, I’ll give it a go. I have had the mount nine years now, so it could just be that it’s getting on a bit…
  3. JimFR
    Imaging M57 last night, I noticed some frames looked to have started nicely tracked then the stars and nebula all streak off in the same direction. It seems the locking nut between the RA drive shaft and the slow motion knob loosens after a bit. bit of a pain to have to keep an eye on that as well, but also because otherwise I was getting 1 min subs unguided! any ideas?
  4. JimFR
    Just to chip in: the only daft question is the question never asked!
  5. JimFR
    Job done!
  6. JimFR
    I was going to say! I guess lenses don’t complain as much…
  7. JimFR
    That’s really nice! I had intended to do something like that but had forgotten my K mount T-adaptor! I doubt the focuser on my old skyhawk 4.5” would’ve kept my DSLR up though...
  8. JimFR
    My plan is to use the 9x50 as a guider too - managed to find an M12 webcam adaptor and have achieved pretty good focus with my trusty Philips SPC900 webcam. However, I’m struggling to find a way to connect a modded handset to PHD2 so will likely use the bigger brother of the ASI120mm, the ASI120mc-s (I already have the T thread adapter), and multipurpose it as a better planetary cam - probably retiring the webcam to its original purpose!
  9. JimFR
    @newbie alert yes, 180mm is what I’ve seen too
  10. JimFR
    These are really nice! I dug out my old Skyhawk, and took these at a Wolvo AS sesh this morning, via iPhone and crappy H20mm eyepiece, so not great:
  11. JimFR
    That’s really nice!
  12. JimFR
    Fabulous! Those are excellent - I have been looking at that camera, so that’s useful. Did you ever use a webcam with that scope?
  13. JimFR
    Thanks! Yes I agree, things are looking up for planetary astrophotography (ahem). I was looking for alternatives to Registax, but it feels like most people use it even if only for the excellent wavelets part! I have used PIPP in the past, very useful.
  14. JimFR

    Hello!

    JimFR replied to bruxinho's topic in Welcome

    Welcome to SGL! I’m jealous too - I saw astronomy on the exam timetable when I was doing mine, and wanted to do that one! Ine thing it won’t teach us that the best telescope is the one you’ll use most
  15. JimFR
    I think it’s something called C3=0, I’ll look it up, it’s a little bit counter intuitive but by slowing it down you reduce the orbital period. Good result though!
  16. JimFR
    I have the 12mm one for my 130PdS. It’s a great eyepiece! I’d expect the 8mm to be as good.
  17. JimFR
    Is this now the longest thread on SGL?
  18. JimFR
    130PdS users! Show me your best planetary images! list cameras etc, feel free to talk about technique too. This is Jupiter from Friday night: Philips SPC900NC, deluxe 2x Barlow. stacked in AS!3, wavelets in Registax 6. not my best, but I had a very narrow window before Jupiter went into the trees… basically, I feel like I’m due a camera upgrade 😉
  19. JimFR
    In the past I’ve tended to use Registax and got good results, but it’s a bit buggy and seems prone to failure. I hadn’t really persevered with AS until last night, but it seems ok. Was really wondering if there were usable alternatives I guess! interesting… thanks, I’ll check it out! these are some of my efforts from years ago:
  20. JimFR
    Naturally, post your recent pics too!😉😁
  21. JimFR
    Recently getting back into planetary imaging given the improving (for me) location of Jupiter, and the very favourable Mars this time around. I’ve changed laptops since 2016, and noticed when rebuilding that Registax is pretty ancient now, but AS! doesn’t do wavelets. So, got to wondering what people are using these days? I’m capturing with SharpCap from a webcam FYI…
  22. JimFR

    Newbie

    JimFR replied to krischelsea's topic in Welcome

    Hi Kris! Welcome to SGL. What are you interested in?
  23. JimFR
    It's a fair point, but I feel it's more of a demonstrator - one, for those who walk among us and still don't get Newton's laws, and two to show that the technology is capable of doing what we might need it to
  24. JimFR
    I’m about to do the handset mod on the EQ5 controller - I’m intending to run the connection into the Pi’s GPIO port via optocouplers. Anyone got any idea where to start getting phd2 to talk to things? Is there an API? I can’t seem to find an awful lot, it seems to assume I’m going to use an EQMOD and USB to Serial, etc.
  25. JimFR
    Brilliant! Just found this, wishing to solve a similar problem, but it looks like this is perfect for my needs! (see list of cams in bio 😉 )
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