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Everything posted by knobby
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My 120 mm (old usb2 type) does that pretty frequently, no reason just randomly ! Very annoying, I've started using my 224mc which seems to be ok. The ZWO 120 mm mini is supposed to be a good choice if you're looking at replacement. Noticed you're on Win 7, I'm on Win 10 so it's not OS dependant .
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HI, the black ring indicates you were probably out of focus, Venus will appear as a very small but really bright dot in most scopes. If seeing is good and you can focus accurately you should be able to make out the phase (not round, a bit like the various Moon phases)
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Thanks for the suggestions chaps, the pic above is oldish - using a ZWO 120 mm screwed direct to guidescope now and I will look at using more of the dovetail ! although it does feel very secure as it is.
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Hi all, can someone give me a reality check please 😁 I'm getting pa down to excellent using Sharpcap ... After imaging for a while and looking at PHD2 logs it's saying polar alignment error of around 3 to 4 arc mins ... Guidescope is rigid / no play, could the wedge be slipping maybe ?
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Edit ... Scrub the 90 seconds @ 335 mm, that was @ 105 mm
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Did someone mention me 😁 Yes , I love my AZ-GTI. Make sure you buy it from a good dealer (FLO) they are very random in quality, you'll need a wedge ( your star adventurer one is fine ) and a counterweight ( eq1 if you can find one if not the star adventurer one with an M12 to M8 adaptor ) As Kat mentioned the EQ firmware from Skywatcher site. Mine is good for about 90 seconds unguided at 335 mm focal length and I've managed 300 seconds guided with 1.5 to 1.8 arc seconds fairly consistently. I noticed in the last sysnscan app that there is a right assension speed adjustment so maybe the unguided accuracy can be tweaked. Hope you get a good one 🤞 Pics below Heart neb @ 300 seconds Horsehead @ 300 seconds PHD2 screenshot Mount
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Makes sense, I'm using finder guider and ZWO 120 mm which works out at 4.3 "/pixel . Imaging at 335 mm ZWO 1600 pro at 2.34 "/pixel.
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Cheers Vlaiv, I must say that I'm really impressed with the little mount (so far) and the 1.5 to 1.8 figure seems about right as I'd say that's probably where it normally sits. Just wondered why / how I'd managed below 1 on a few occasions ...
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Sky view 363 for android
knobby replied to djs44's topic in Getting Started Equipment Help and Advice
.APK is the android installer package. Download a file explorer from play store then open the APK with it. Might need to Google ' allow non play store apps' before it will install though. -
Quick question for the PHD gurus ... I'm getting mixed success with my AZ-GTI, some nights just under 1 arc second but others hovering around the 2 arc second mark . I recently noticed the seeing index on Meteoblue and it rarely ever goes below 2 arc seconds for my location. Question is, is my guiding limited by the seeing ? On the bad nights I've tried longer guide exposures ( normally 1 second and tried up to 5 ) but no real improvement.
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RGB L sub times for a ASI 1600mm pro
knobby replied to simmo39's topic in Getting Started With Imaging
How's life in Malta ? looking for envious emoji 🙂 -
Looking good, Altinak showing a bit of microlensing but lovely and smooth.
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Cheers Ahmed, I have one for the mount / camera and another (slightly less impressive looking) one for the dew heaters. Could have probably got a bigger battery but I like the idea of light weight kit since I damaged my shoulder , also prefer having separate supply for the draining dew heaters.
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Knocked this up last year but wasn't happy with it as I wanted to know what was being used and how far I could let the 12 Ah SLA go before stopping. It only powers an AZ- GTi and a ZWO 1600 Pro which pulls about 0.6 amps up to about 1.5 amps during slew and initial cooling. The thick, non flexible Skywatcher power leads were effecting guiding when cold so I got creative ... Bought some nice 4 amp flexible silicon cable / plugs and a volt / ammeter 😁 a bit of soldering later ... Looks a bit 'Mission impossible' I think Tom Cruise would be impressed
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Any az gti owners out there who can help
knobby replied to Mark Daniels's topic in Discussions - Mounts
Hi Mark, I'm an Android user so probably not the best person to help 😄, maybe try using a laptop instead to see if it's the phone ? Are there any settings on the iPhone to make it stay connected even though there's no internet. Also try moving away from other WiFi . Are you at home ? -
EQ1 counterweight rod. Where can I find one ?
knobby replied to BobMac's topic in Discussions - Mounts
keep an eye open here https://www.astroboot.co.uk/ab.php Occasionally have bits available. -
Disgusting 😒
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I like those James, I have one on my C8, 72ED and finder guider. Really nicely made and can be used without a controller.
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Not used a DSLR with APT but I'd check the Canon drivers and the USB port power save settings as a start.
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I went back to the windows synscan app, found it more stable ... Still use the cable though as it means I can remote in to the laptops WiFi and watch what's happening from the front room 👍
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Keep an eye on here https://www.astroboot.co.uk/AstroBoot they have loads of bits and bobs but not sure about shipping to Algeria, all the best and good luck
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Have you checked which com port it's selected ?
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Now using 1.5 or 1 second exposures, Ra and Dec aggression at 100 or 90% and min move at 0.15. Getting periods of less than 1" errors but averaging out at around 1.5 which I'm happy with for a £250 portable mount.