WayBig

I've travelled with the base in the boot and the tube on the back seat...doesn't leave much room for anything else you might want to take on holiday though. Open to offers. eBay beckons

Hi I'm putting my 10inch dob up for sale, it's not getting the use it deserves. This is a Skywatcher 250 tracking dob with the following upgrades. - Synscan goto controller (tbh the goto isn't particularly accurate I think because of the size and weight of the scope, but this handset does give you much better tracking so is necessary for planetary imaging) - Lacerta dual speed focusser (much much better than the stock single speed one, great also for imaging) - Flocked lower tube and opposite The focusser with Edmund optics flocking paper. Edges blackened. - Adjustable 'cabinet' feet to level the scope, again this gives better tracking for imaging. A bubble level is also fitted to help levelling - Home assembled 'power tank' (a sealed lead acid battery plus switch and voltage meter. (The voltage meter does work, it just looks weird in photos) I'm looking for £700 Collection from Welwyn Garden City, Herts. Viewing can be arranged at weekends. Randomly arranged photos below...

This is sold now.

A big beautiful 2 inch eyepiece. Very good condition, a small mark from the focusser clamp shown in the last picture £130 delivered to uk

ZWO ASI120MC, usb2 version focussed adapter Revelation IR filter USB2 cable, plus another cable Thai it came with, that I think is a guide port cable. £85 delivered

Hi Mert I have a skywatcher 250 flextube tracking dob with goto handset and various upgrades and accessories if interested

Hi, I've an asi120mc colour camera if you're interested in one of these. Usb 2 I think. It's had very little use.

Hi Enda I have an asi120mc that's metaphorically gathering dust. It's had very little use. With original box. Probably usb 2 not 3 as it's a few years old.

(Oops)

And here's the pic (hopefully)

Wahey, I'm up and running now with my own home made power tanks set up. This consists of - 14ah deep discharge battery - fused cigarette lighter socket - almost free voltmeter from eBay - switch from maplin (sellotaped to the side of the voltmeter I figured 14 ah would do since I've been copied nicely with a 7ah power tank quite nicely. It was important for me to be able to fit it onto the dob base under the tube so it's one less thing to carry out. I might get some form of project box from maplin to tidy it up, but it all works nicely Plus, I get 0.3 volts free - 12.3 for the price of 12 :-) Thanks for the advice and inspiration. It's nice to have assembled something myself for less than a power tank (although I don't have the brighter than the sun floodlight and fm radio that a power tank has!)

Thanks for the info guys and some much more industrial builds than I'm thinking of. I like knobbys in Balazs threads, I now know that these batteries can be put on their side so that helps me conceal it on the dob base. I think 22ah should be ok, I've been coping with a 7ah skywatcher tank for a few years and that was ok for my setup. Now, I just need to work out which battery will work with my charger to hopefully save having to buy another one. Thanks all for the inspiration

Hi, I've got my eye on a 12v, 22ah deep cycle battery (agm, not gel) but need some assistance on what else I'll need. Battery: I'm thinking of something like this one. http://www.amazon.co.uk/Yuasa-Golf-trolley-battery-YPC22-12/dp/B00APFK4LU/ref=sr_1_10?ie=UTF8&qid=1410902681&sr=8-10&keywords=yuasa+12v+battery Charger: I already have a Halfords 'fully automatic' battery charger which is suitable for 'all lead acid and deep cycle leisure batteries and most gel' . It's one of these: http://www.halfords.com/motoring/bulbs-wiper-blades-batteries/car-battery-chargers/halfords-fully-automatic-battery-charger The curious thing is it also says 'not suitable for electric vehicles, gold carts or agm batteries' which seems a bit odd...if the battery mentioned above isn't an agm then why would the fact that it's a golf battery make the charger not suitable?. If this charger wouldn't work could you recommend similar capacity batteries that would? What else would I need Bits of wire (you can tell I'm not too technical at this!). Like a battery terminal to cigarette lighter set, which would then plug into the dc cable that came with the scope. I'd probably get a fused one. I've seen these on eBay for not very many pounds Any kind do volt meter / ammeter to monitor the remaining capacity of the battery? Any gadget to regulate the voltage (or do these provide pretty steady voltages)? Thanks in advance for any assistance given

Stuart- how did you work out the watt hours, I couldn't see it anywhere in the listing (perhaps it's in the manual and you only get to find out once you've bought one!) ...just keen to get as much info as possible to enable me to work out which will be best. Thanks Chris

And I've seen elsewhere on Sgl that these type of tank would have a much shorter run time at 12v Tracers look the biz but are a bit pricier than I'd hoped. Has anyone spotted or tried one of these, cheaper than a tracer, seems designed to run at 12v, 8400mah is less than bigger tracers but still more than my old 7ah power tank http://www.dogcamsport.co.uk/12v-8400mah-li-ion-power-pack.htm