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Everything posted by Skipper Billy
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That's one of the most enlightening things I have seen on YT. I seem to be doing the right things by accident - Bortle 2 skies, noisy Kodak chip etc !!
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My camera (ATIK 16200) can easily cool to 50 degrees under ambient. I take a full set of calibration files just before the season starts - late August. A full set of darks, flats and bias for every filter and every exposure I might use and binned 1x1 and 2x2 can take 3 days and nights to gather. I use these throughout the season. So I picked a temperature that the camera can reach in August and that is unlikely to be warmer than the ambient temperature too often and doesn't stress the camera too much whilst giving the optimum noise reduction (its a noisy camera). -20 Celsius is where I got to and it has worked very well for me.
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Stellarium accuracy
Skipper Billy replied to Simon Dunsmore's topic in Getting Started Equipment Help and Advice
Did you put your longitude in as a + value - Kent is East of the meridian line. If you look on the location page of Stellarium is the red dot showing where you live?? -
Intel nuc so confused...so many...???
Skipper Billy replied to Nikolas74's topic in Getting Started Equipment Help and Advice
Thats not what happens on mine - the remote machine carries on running and the new connection just reconnects without having to restart anything at all. I often deliberately disconnect to focus on doing something indoors then reconnect to check that all is well outside - no issues. -
Intel nuc so confused...so many...???
Skipper Billy replied to Nikolas74's topic in Getting Started Equipment Help and Advice
I find Windows 10 RDP (Remote Desktop Protocol) better than anything else. -
If my Mesu was stolen I would buy another without a second thought. Big tick for the scope choice - cant comment on the camera. If Bernard has one in stock I am sure he would keep it for you against a substantial deposit - the next batch are almost certain to increase in price. Dont be put off the SiTech software - the GUI is very '70's but it works superbly. Take care in setting up the initial parameters and you will probably never need to touch it again. I often describe it as my most boring astro purchase - nothing to twiddle or play with - turn it on - use it - turn it off - repeat. I would be on the phone to Bernard first thing tomorrow!!!!
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My First Tak!!!!!!!!
Skipper Billy replied to Sunshine's topic in Discussions - Scopes / Whole setups
Lovely scope. I would think the Moonlight may be better than the standard Takahashi one for visual use - buttery smooth and dual speed. For imaging I would go for the Takahashi focuser. I hope it brings you many hours of happiness 😉 -
PHD2 guiding calibration error
Skipper Billy replied to SStanford's topic in Getting Started Equipment Help and Advice
AFAIK its a trade off between pulse guide settings in ASCOM and step size in PHD2. If you increase the pulse settings in ASCOM you will need to reduce the step size in PHD2. 0.8 in ASCOM is a very good starting point. Once you have it up and running run the guiding assistant and implement its recommendations - it is usually pretty much spot on. -
Car boosters are usually a 12v lead acid battery. A fully charged 12v battery sits around 13.7 volts hot off the charger which would be fine for an EQ6. Have you measured the output voltage with a multimeter??? Try a different multimeter.
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Tonight's Moon - 77% waxing gibbous - grabbed between the heavy snow showers. Canon DSLR/guide scope/Star Adventurer. 50 subs - stacked 50% of the best RAW files. Lightly tweaked in Photoshop.
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Help identify strange event - Bolide ??
Skipper Billy replied to Skipper Billy's topic in The Astro Lounge
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Breath-taking - you should be very proud of that. Well done.
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USB controlled relay board for 12V supplies
Skipper Billy replied to old_eyes's topic in DIY Astronomer
You can control this relay board via Alexa 😉 -
USB controlled relay board for 12V supplies
Skipper Billy replied to old_eyes's topic in DIY Astronomer
Quick update in case someone stumbles across this thread looking for ethernet/USB controlled relays. I gave up on the eBay 8 relay board for £10 - they couldn't supply the promised software and when I did find compatible software the board didn't work - the slightest vibration caused the USB socket to drop the signal - not what you want in the hostile environment of an observatory!!!! It will shortly be on its way to landfill sadly. I did some research and found this product - https://www.robot-electronics.co.uk/products/relay-modules/ethernet-relay/ds378.html Arrived next day and the chap who runs the company phoned me next day to explain that if any of the loads are inductive then I should fit 'snubbers' to lengthen the life of the relays - nice touch. Its very well made - worked straight off the bat. Easy and reliable and with an amazing array of configurable options. They also supply a variety of webpage options all of which are fully and easily configurable. Cant fault it!!! This is my new mission control....... -
Intel nuc so confused...so many...???
Skipper Billy replied to Nikolas74's topic in Getting Started Equipment Help and Advice
I wouldn't put it in a sealed box for instance - it needs ventilation. As for heat - its all relative - a very warm summers day here is 18º !!! I guess its a tad warmer in Athens !!! Certainly cold doesn't bother them - mine has run very happily at -21º. (Mine is the fanless flavour) -
Intel nuc so confused...so many...???
Skipper Billy replied to Nikolas74's topic in Getting Started Equipment Help and Advice
The one I use states 19v - but it runs just as well at 12v. I originally used a 12v to 19v step up buck but when plugging things in I accidentally hooked it up to 12v - I didnt notice for 3 months - it made no difference at all to the performance. -
Intel nuc so confused...so many...???
Skipper Billy replied to Nikolas74's topic in Getting Started Equipment Help and Advice
here you go..... -
Intel nuc so confused...so many...???
Skipper Billy replied to Nikolas74's topic in Getting Started Equipment Help and Advice
The USB - Cat5 converter works really very well - I used it for a couple of years before installing a NUC in the Obsy - its a good solution. Active USB cables - run away !!!!!!!!!!!!! NUC is the Rolls-Royce solution but you are right the choice is bewildering! It also depends on how many USB ports you need both now and in the future - many NUC's (but not all) take an after market lid that provides another 2 USB ports. I needed 6 USB ports so chose on the basis that the USB lid was a must have. Running everything at the same time doesn't require enormous processing power - I chose an i5 2.3 Ghz with 16gb RAM and an SSD - it never breaks into a sweat and it can even run Pixinsight concurrently so I can use Blink etc to keep an eye on image quality etc. Its connected to indoors via Windows RDP and it works flawlessly. If you choose the first route I think I saw one for sale on here. Shout out if I can help you! PS - I am in the process of installing ethernet controlled relays to turn everything on and off remotely - the NUC can be set to run at power up which is a nice feature - mine has run for 2 years now with zero issues. -
Yes, the arms effectively lock the roof down against high winds as well as acting a a pivot and guide. We have had winds of >100mph and biblical rain and snow and it has never let a drop of water in. The roofing material is 'EPDM' - https://www.rubber4roofs.co.uk/shop/epdm-rubber-roofing
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Those of us old enough to remember Benny Hill might find this amusing - I did but then again small things and small minds....... This at real life speed with the weather we are having - clear - raining - clear - raining - clear - raining ....... obsybenny.mp4
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OK - the external measurements are ..... External 1500mm x 1500mm Height to top of door (exc roof) 1300mm Internal 1400mm x 1400 x 1300mm The inverted V shaped strip across the join in the roof halves is fixed and sealed to one of the roof halves (the side that faces the prevailing wind). The seal between this capping strip and the other half of the roof is sealed with a strip of butyl weatherproof non adhesive (one one side!) tape. The half that the capping strip is permanently fastened to must always be opened first and closed last. Hope the following photos and brief (amateur!) video help. Fire away with any questions and I will do my best to assist. Untitled.mp4
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It's about 1400mm sq - if it ever stops raining I will take some photos and measurements. It nearly stopped this morning but then decided to carry on again! 😉
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Expensive mounts - The good, the bad and the ugly?
Skipper Billy replied to lrt75914's topic in Discussions - Mounts
+1 for the Mesu - most boring mount I have ever owned - switch it on - use it - switch it off. No excitement at all. Nothing to fiddle with or adjust. -
Hello Gary I will take some photos when it stops raining - much easier than trying to explain in words. Its not difficult and even during biblical rain and high winds (like today!) it is bone dry. All the best. David.
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