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adyj1 started following ROR Observatory build from the past & changes over time... , Things for a noob to do on cloudy nights , Ground spikes for tripod positioning and 6 others
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Things for a noob to do on cloudy nights
adyj1 replied to TiffsAndAstro's topic in Getting Started Equipment Help and Advice
(Patriot Astro YouTube channel is another great resource for NINA tutorials. -
What infill percentage did you use? I must admit, I've printed a few astro bits at 100% for peace of mind - even though it shouldn't strictly be necessary.
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Can I ask why the DC 5521 barrel connectors aren't considered to be adequate? I got rid of any cigarette lighter connectors on my cables and toyed with using two-pin GX12 aviation connecters - but decided to stick with the 5521's as the centre-positive wiring is a common standard and I'd never had any problems with them. Ady
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I can confirm that Virgin Atlantic only allow 2 x 100Wh batteries, and I purchased similar batteries to @Adam Jwhen I travelled in September 2023. (British Airways allowed 2 x150Wh). The VA website said to ring the help desk if you were carrying these batteries, which I dutifully did a couple of weeks before the flight. Having taken all my flight details, I expected some extra checks at check-in, but nothing happened - at no time did anyone ask anything about batteries... I don't have anything as fancy as Adam for connecting the batteries in the field - a diy barrel power connector wired to two pairs of spade connectors so they are both connected at the same time. My diy 1-to-4 3d-printed power box has five 5.5/2.1 barrel sockets, with one fused for input. This worked a treat with an AP rig of AZ-Gti, NUC PC, and ASI533MC Pro. (I didn't need dew straps on account of being in the mojave desert 😁)
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£39! - that's an excellent price. I have similar 12v 8AH LiFePO4 batteries that I bought last August and paid £48. I was allowed to take two on a Virgin flight to the US - they had to carried in hand luggage, so just as well they are very light. I also got a dedicated LiFePO4 charger from Amazon for £30. I'll be using it to power my HEM27 in the field (bought after the US trip). [ weak attempt to get things back on topic 😉 ] Ady
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There's a horizon creator plugin in NINA - you slew your telescope along your visible horizon and click a button at each point you move up or down. The file it creates is the list of numbers you need. Worked well for me
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Problem fitting ON-STEP V4 pro RA motor on an EQ5 mount
adyj1 replied to The storm fisherman's topic in Discussions - Mounts
I had one of these with an astroeq... 3d printing is your friend - there are bases that can be printed which fill in that gap, in fact they are designed to house the whole stepper motor. Found this on thingiverse as an example Ady -
Problem fitting ON-STEP V4 pro RA motor on an EQ5 mount
adyj1 replied to The storm fisherman's topic in Discussions - Mounts
I had one of these with an astroeq... 3d printing is your friend - there are bases that can be printed which fill in that gap, in fact they are designed to house the whole stepper motor. Ill try to dig out pictures... Ady -
Whilst I'm normally in the same way of thinking as @Carbon Brush in trying to find 'good enough' alternatives, there's a lot written about charging LifePo4 correctly or at the very least you will reduce battery life. For something as expensive as this, I'd be looking at using a charger specifically for LifePo4, and take a hit on the extra bulk.
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Don't forget that the HEM mounts have an internal 12v pass-through and a power outlet on the top of the mount. That's where the extra amps come in useful powering the rest of your rig... Just checked the docs and they rate the top socket for "4A when using the included AC adapter". (thankfully the 12v socket on the saddle is 5.5/2.1mm barrel rather than the slightly awkward 5.5/2.5mm on the mount body)
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I wish more manufacturers did this...
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Don't let me stop you buying another one, but there's nothing special about a talentcell charger - 12v/3A DC 5.5/2.1mm barrel plug... (switch the battery on to charge) Ady