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Deadlake

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Everything posted by Deadlake

  1. Options with a 130/f6: afocal TV 67 mm afocal TV 67 mm, with Riccardi reducer (0.7) The reducer option does give a brighter image no doubt on that with a reduction of image scale. I've not tried the reducer option in prime only mode, which would give an effective speed of f4.2. Could be interesting. The afocal solution are around f 2 for reference. The other issue with the reducer is the back focus is around 82 mm resulting in a short optical path. The AP tele compressor has a back focus of 150 mm which gives more room in the optical path and maybe the prime mode might work. It should be noted that the TV EP 55 mm has a focal plane of -26 mm from the bottom of the EP, which make using a compressors in afocal mode easier and prime mode impossible in with the Riccardi. Which do I prefer, I like the brighter image with. compressor however image scale is a little off for a lot of the showcase objects, I need to get a C11 or Dob to have enough light bright enough image) and the image scale required.
  2. Prime is with no EP, afocal with an EP. Back to the subject great photos. I know @GavStar tells me the C11 is close to a 16” SkyVision Dob in use. I’ve used Gavins C11 and it is very good. What is the focal ratio of the 15”? In afocal with a compressor the C11 with run at an effective speed of f3. I think it comes down to ease of use, the C11 is a little more portable then the dob and requires less collimation. For me I can reuse a AZ100 for all my scopes and don’t need to get a second set of digital circles. Did you use any filters at all?
  3. Try it out, in stock: https://astrograph.net/epages/www_astrograph_net.sf/en_GB/?ObjectPath=%2FShops%2Fwww_astrograph_net%2FProducts%2FAPMZOOM&fbclid=IwAR0hCCrGBY73NCUbRwDdkDRjtNc34clbBZx3_PA3cELTfuqzpXgIZnfJbjk
  4. If the bar has a 10 mm thread on it you can attach directly to the pan handle bracket.
  5. Not sure of model, but you can see it used here: https://www.cloudynights.com/topic/800124-rowan-az100-motor-drive-system-in-beta-testing/?p=11907147 Might need an ADM saddle as well....
  6. ADM make one that will attach as in your picture to the dovetail.
  7. I'd like the bar to be horizontal with the scope. The pan handle has a 10 mm thread, the trick is the bracket needs deeper to move the bar away from the scope. Just need to find a bar with a 10 mm thread size on the end to it and away you would go. Quite a few balance bars with a 10 mm thread on TS.
  8. It needs a 1 kg weight at the front. However I'd like the weight attached to the AZ100 not the dovetail as setup is easier. Hence the follow up to Stu's solution above. This is a request from some users on CN as well, not just me who wants to repurpose the pan handle.
  9. The saddle will collide with the FT3545 focuser, remember the focuser can be rotated. The scope can go back a couple more cm's using a Losmandy rail, but it's not going to help. Adding a BV or for a rich field scope a APM 20 XWA + a 2" BBHS diagonal all add's up. So no it cannot go back any more, or the saddle moved forward to help. Note with this load: The balance point is here. If the dovetail was moved back it will obstruct the focuser. I have considered swapping the FT3545 for an APM 2.7" focuser, however the issue is that with a BV or 2" diagonal with an APM XWA 20 mm or TV 55 mm Plossl will not find focus....
  10. The issue I would have with the above is the scopes I have are mounted as far back as they can go. More weights needed on the front to balance I actually asked Derek if it was possible for the handle + bracket to be mounted on the front. If the handle was left as a balance style bar then weights could be added on. Having the weights below the scope would also help...
  11. The question is how well do TOE's perform compared with HR's.... I was getting some great views last night using a HR 2.4 and 3.4 mm. By the time I got the TOE 4mm out the moon was behind the house, so no luck there...
  12. Is tracking going to be here for summer I wonder....
  13. The M12 bolt needs to be the right length, no universal standard. The bottom of the half-pillars have some room to tap some holes which if they match with the T-Pod can be connected via M8 bolts. It's quite solid, however I'd like it really solid...
  14. I have the T-Pod 110. I think it's high enough, however for more clearance you could get a Rowan half-pillar that you would also need with the BB as well. I'm hoping that @Dek Rowan Astro will drill out the base of the half-pillar for it to connect to the top plate of the T-Pod directly, this will make for a really solid connection.
  15. Until the APM has been compared with the Leica or Baader, it's whatever. I'll just wait until the review, possible to pick some up second hand as quite a few ordered based on the CN hysteria around the APM zoom. As far as the FOV spec I must admit why it was not part of the spec, surely Markus could send them all back as what's been produced is not as the order...... However the Leica is €755 vs the APM €360.
  16. How many scopes are you planning mount? If it's the same pair then it's just set it up once.
  17. The 130GTX is such an all round scope in the bass it covers, visual and AP. The 110GTX looks from the specs taylor made for full frame AP, with an amazing poly Strhel across the spectrum and all across the sensor. I’d still go with the AP130GTX as what it provides for the weight.
  18. The pan handle bracket, does anyone know if the size of the handle is it M8 in size? Measuring with a tape measure it comes out as 14 mm, but I'd like to know for sure. Thanks
  19. For imaging I'd go with a belt driven mount. For visual the AZ100 is very good, but the Pegasus is 6 kg, saving you 4 kg's over the AZ100. The AZ100 does have dual saddles, and a higher load capacity. I'm waiting sometime before I'd jump in with the Pegasus however I know some people have lead ordered from RVO.
  20. Are you 100% visual? If so I would look at this new mount which has the advantage of being AltZ. https://pegasusastro.com/products/nyx-101-harmonic-gear-mount/ The SXP2 is twice the weight, it's a superb mount. However the two star align on the Pegasus will be quicker to set up.
  21. Actually starting from one of these: https://raspad.com https://cutiepi.io Are there INDI integrated webcams or guide scopes, I'd imagine it would be plug and play then?
  22. I was lucky and purchased a pair of MaxBright II 2nd hand. It’s a big step up to the Mark V and the Zeiss BV’s which are more available.
  23. Is it me or is there an uptick in Rowan’s prices in general. Tracking inflation….
  24. This mount is now available for purchase, look at Rowans Facebook page...
  25. This is a good question. Looking at the guidance from Pegasus 900 mm for an APO might be an upper limit. Interesting they decided to show case with a C11 as focal length needs tracking error kept under control. Guess we will need to wait for beta testing.
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