Stu

The shorter focal lengths are certainly challenging on eye relief, and a no no for glasses wearers so I understand why they don't work for you Michael. It's interesting, when I bought the 9, 12.5 and 18mm originally, I didn't really 'get' them, perhaps just not experienced enough. Since re buying them they get a lot of use, the 12.5 in particular. Sent from my iPhone using Tapatalk

Very nice Paul, both eyepieces and the box. What plans do you have for those four empty slots? :-) Sent from my iPhone using Tapatalk

Having sold my first one to Shane, I replaced it with a Hutech for a while, then did finally manage to find a 12.5mm BGO on ABS for a reasonable price. There was a crazy period when they were advertised for £120 or so, whether they am ever sold for that I have no idea. Anyway, sorted now :-) Sent from my iPhone using Tapatalk

I knew that, of course John, just testing ;-) (DOH!) Even better then, it is a full set as Gaidis said :-) I do use these eyepieces most of the time, mainly the BGO's, nag zoom and the 24mm Panoptic. The Plossls are mainly for solar but largely superseded by the Leica. They will be used in the Quark though, and I also have the 32 and 25mm specifically for this. In terms of 2", I have 13, 17 and 21mm Ethos, plus 31 t5 Nagler. They mainly get used when I'm at a dark site, but they are lovely in the Vixen at home too if conditions are good. This thread is a bit long to search back through, isn't it!! :-) Stu Sent from my iPhone using Tapatalk

Nearly.... :-) I have deliberately missed the 4mm as the eye relief just gets too tight for me below the 5mm. Plus my case is full ;-) Sent from my iPhone using Tapatalk

On the subject of Orthos, anyone worried about my ongoing OCD anguish can relax. The 5mm has finally been found, and the Hutech is on its way to Alan. No difference in performance of course, but..... well it's black and green isn't it ;-) Sent from my iPhone using Tapatalk

http://stargazerslounge.com/index.php?/topic/217864-My-First-Jupiter Post #11 in this thread describes which parameter to change to fix the GRS position in Stellarium. I can't seem to find the correct current value but it must be logged somewhere. Stu Sent from my iPhone using Tapatalk

Jupiter moons is a great iOS app which draws from Sky & Telescope info. It is always accurate in my experience. Stellarium can be inaccurate for several reasons. Firstly, as mentioned already the spot drifts with respect to the meridian, and so there is a parameter an .ini file which needs correcting to get the timing right. There are details on the forum if you search. Secondly, the light transit time from Jupiter varies, normally it is 30 or 40 minutes. Stellarium has an option 'simulate light speed' which effectively delays the positions of moons and GRS by this time, making them accurate as we see them from earth rather than as they actually happen. Jupiter moons and the app on the S&T site correct for both these parameters so they are always correct. Stu Sent from my iPhone using Tapatalk

Accurate for me tonight, nice and clear! It's a great app and I'm really pleased it has had a good response. Was probably quite a risk given how controversial forecasts can be!! Nice one! Sent from my iPhone using Tapatalk

Nice set Dark Knight, you've got your bases covered well there. Question, what's the Dilithium Crystal in the bottom right for? ;-) Stu Sent from my iPhone using Tapatalk

For the record, the Hutech Orthos which FLO range are basically identical to the old BGOs. I think the BCO's were a cost down version although optically still excellent. John did a review on them which will be somewhere on the forum. Sent from my iPhone using Tapatalk

I hate to ask silly questions...but here goes. Have you tried taking it outdoors, letting it cool properly and looking at some stars with it? Does it work or look terrible? Just a thought :-) Cheers, Stu Sent from my iPhone using Tapatalk

The Delos moved on elsewhere Alan, can't remember where! I don't have any Delos or XW at the moment, seem to be concentrating in amassing scopes and other kit! I think they will find their way back at some point in the future though. Stu Sent from my iPhone using Tapatalk

Lovely :-)

Actually there are a few around Europe too :-) one with Alan in Bulgaria I think, and one made it to Cyprus!

It's a strange one, I never really appreciated it when I first had it, but since buying first a 12.5mm Hutech and then finally another BGO I use it all the time. It is great for white light solar, plus a whole load of Astro uses in a variety of scopes. In fact my little Ortho/Plossl/nag zoom/24mm panoptic case covers much of my observing these days, particularly when travelling

Only recently managed to pick up a replacement for that 12.5mm BGO I sold you Shane! Gets a lot of use these days :-)

:-) Glad you are enjoying it :-) Sent from my iPhone using Tapatalk

Agreed, very nice. I do miss my 17 and 22mm T4's. Such nice compact eyepieces compared with the Ethos, and excellent performance still. Perhaps one day I'll find a way to get them back :-) Sent from my iPhone using Tapatalk

That one has such exotic glass in it you can't see it at all!! ;-) Sent from my iPhone using Tapatalk

Sorted :-). Nice images Sent from my iPhone using Tapatalk

Me too, one of my favourites :-)