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Geordie mc

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About Geordie mc

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    Star Forming

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    john_mcguigan@hotmail.com

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    Haute-Vienne, France

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  1. I use the Skywatcher Star Adventurer with a Canon 7dmk2 and a canon 100-400mm L lens. With good polar alignment I can get 3 minute subs at the 100 end but only about 1 minute at the 400mm end. It will guide in RA but I haven’t tried it. It’s mounter on a Manfrotto camera tripod. Very lightweight setup. I’m pleased with it.
  2. If you get a t-ring for your dslr you can attach to your scope. Advantages are that you can control exposure times. You’d get good Lunar images with very short exposures so no need to guide. Planets wiki be very small in the frame and not very rewarding.
  3. Mine has been out under a cover for days on end and gets stored in my barn which gets pretty cold. No issues after 10 years of use!
  4. Sounds promising. Sure you’ll be enjoying using the EAF soon presuming the weather improves.
  5. Thanks David. It’s a msystery. I think I’ll just have to experiment. I have a QSI660 I could try with the scope and see what happens. As you say, if the flattener is in a fixed position then trying different spacers should make no difference. Maybe it’s the ZWO filters? But then you’d think others would be reporting issues. Hoping I can do something in Pixinsight to reduce the issue.
  6. I don’t have this scope, but I believe the top left/right and bottom l/r are the screws that fix the the focuser of the scope, so I’d use the bottom l/r and remove the focus lock knob that’s center right. The screws are M3 and I think 8mm so you’d need M3 screws that are long enough to go through the ZWO’s plate and still have enough reach to thread firmly down. I can’t remember what length the ones in the kit are. Pop one of the originals out at a time and put in the ZWO screw before removing the second one just to keep everything lined up although it shouldn’t move. There are some pictures o
  7. Hi Steve. All the scopes would be fine for lunar viewing or imaging. For planets the 150 would probably be best for visual and would show some deep sky objects well. However, if you think you’d like to image deep sky objects you really need an equatorial mount. Alt-az mounts like those you’ve listed can only be used for very short exposures due to field roataion. The mount is key in imaging. Here you need to think about where your main interest lies. If your going for deep sky imaging then things like the William Optics Redcat of short focal length refractors can go on small mounts, but these
  8. Hi all. Does anyone know the backfocus limits on this scope please. The 4th lens acting as a field flattener is in the tube. As the focus tube has to move to reach focus I presume that their is a range for the backfocus rather than a set distance. When I image with my ASI1600mm - cool, with good focus and guiding showing a total RMS error under 0.7 using the ASI air pro, when I zoom in on the image the stars look slightly triangular. I think this means I’m too far past the ideal backfocus distance, but I’m not sure. I’m confused as to what I can do. The sensor has to be at that distance to be
  9. Hi. I have one. I’ll dig it out and check it’s all ok. I’ll take better pictures too. I’m in France so would need to factor in postage. Probably around £40 all in. I’ll post tomorrow with more pics if it is working. Haven’t used it for a while but it should be fine. Boxed with all origonal bits.
  10. I will not be subscribing. Hate that model of software use. N.I.N.A. has been my choice this season and has worked superbly for me. Also the team have listened to user requests. The platesolving offers several options and works well. Autofocus likewise. Options for framing and mosaics. The list goes on. SGP has always been a bit unstable for me so I was looking at APT or M.I.N.A and the latter seems to be my preference. I think he SGP team are goin to be sadly disappointed at how much this strategy will raise in income.
  11. From my reading of the new model - which SGP themselves say is a subscription based model - you will be billed annually unless you don’t buy into the new model. As soon as you fail to pay your subscription you lose “premium support” whatever that is. They may decide to keep working on past versions, but v4 is due out soon and I suspect v2.7 users like myself will see little or nothing in the way of development. my point really is that if they need to raise cash this method is unlikely to work long term. Existing users may well decide it works as is and therefore won’t subscribe. Newcomers w
  12. Just had an email from SGP saying that a subscription model for payments is now here. I had already started to move towards N.I.N.A. and I think this will make that move my preferred option. What do others think? I hate subscription models for payment and now that there is a great free alternative I think they might lose a lot of users. I’d have paid £10 or so each year but £50 is way too much for me. I get the impression that maybe they are not getting many new buyers and need to generate funds from existing users. Could this be the end for SGP?
  13. Sounds a pain. Hope the release comes soon and sorts it. I’ve been doing okay with it so far. Wi-fi range is only a few meters but ts been going well. Hope the new release includes autofocus feature. I’ve even using NINA on my laptop this ast week and had all sorts of issues with the QSI camera driver and losing connection to the mount. Compared to that the ASIAir pro seems very straightforward but probably jinxed it now! Good luck with the update it’ll give you a really portable setup.
  14. Hi Richard. Sorry for the delay in responding. If it’s the asi120mm mini then it should be fine. I have the mini too but guide via eqmod which is not an option with the Sr]tar Adventurer. However I do have a Star Adventurer to test things with. If you haven’t already sorted things give e shout and I’ll rig things up and see what happens, John
  15. Hi. Just started trying NINA and like it very much but not sure on setting gain for my QSI660. The old driver had high, low and auto settings. The new (and rather unreliable) driver seems to have dropped the auto option. In NINA there is an option to set the gain but it needs a numeric value. Does anybody know these values for qsi high/low gain settings? I don’t think I enter the 0.2-e/ADU or 0.4-e/ADU but maybe I’m wrong! NINA just show a 1 in brackets in this field as I’m choosing in the ascom driver and entering nothing in NINA. Wish there was a direct driver for this camera. I’ve had a lo
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