michael.h.f.wilkinson

Alternatively, your lounge is too small for the eyepiece cases

Forgot to add my oldest frac (1850 or thereabouts): a 48mm achromatic doublet (uncoated, obviously), inverting lens in the tube, and Huygens EP.

Ooh, lovely!

Agreed, you need superb conditions to see any difference at all, unless we are talking very fast scopes, where astigmatism raises its ugly head much sooner.

OUCH!

True, but I do find screwing in these "barlows" annoying

I might actually just go for the NAV-SW or Delos. My wide field range is covered nicely by the 31T5, 22T4, and 17T4, at the shorter end I find the 70 deg offered by the XWs enough. Replacing the 12T4 with Delos 12 and 14 will fill the gap nicely. They would mainly be used for small galaxies and planetary nebulae.

Happily I am not tempted by the mighty Ethos line. I compared Olly's 13mm to my Nagler 12T4 and the Type 4 Nagler was far more comfortable for me with my glasses. Conditions weren't great, so differences in sharpness were hard to determine, but the eye relief of the Ethos is just a mm or so shy of what I need at minimum. As the Nikon NAV-HW has 16mm eye relief, I do feel tempted by them.

I had the Meade S5K 14mm, and sold it due to the (slightly) tight ER. The Delos 14mm and XW14 are top contenders. I might even ditch the 12T4 and replace that by a Delos 12 as well

I think it is more field curvature (EP not scope) than astigmatism, perhaps, looking back at my report here: http://stargazerslounge.com/topic/255999-morpheus-14mm-under-the-stars-finally-shoot-out-with-naglers/?hl=%2Bmorpheus+%2B14mm The Morpheus is nice, but not in XW/Delos league at the edge of the FOV at F/6

Awesome kit!

I am not surprised you find the jump from a 17.3mm Delos to an 11mm a bit big. I always found the jump between the Naglers 17T4 and 12T4 a bit big (hence the purchase of a 14mm Morpheus. I am not sure that is a keeper, however. Decidedly softer at the edges at F/6 ( seagulls!). I haven't had a chance to use it in my SCT yet ( clouds!), where it might be OK. If not, the quest for a 14-15mm UWA with good eye relief continues

Great selection Gavster!

Cheers guys! I actually forgot to add the C8 with solar filter, but then I do not use that that often anymore.

Various configurations Coronado SolarMax-II 60mm + Double-Stack unit on Velbon carbon fibre tripod and Mini-Giro mount Lunt SUNoculars APM 80mm F/6 with Herschel wedge on home-made hardwood tripod and Mini-Giro APM 80mm F/6 with Solar Spectrum filter on GP mount Dual mounting of APM 80mm F/6 with Herschel wedge, and SolarMax-II 60 single stack

Some of my best work to date on Jupiter was captured in February (C8, 2x TeleXtender and ASI120MC) And an animation

This is a very difficult choice, as 2015 has been my best year in solar imaging to date, as exemplified by the comparison I made between the three H-alpha set-ups I have had: Left to right: LS35THa, SM-II 60mm and APM 80mm F/6 plus Solar Spectrum filter. Another obvious candidate must be the BIG animation I managed: 15 days of 30-odd pane mosaics Note: This is scaled down to keep the page loading fast; the big one is here (warning: 135MB) The million kilometre filament has to be in there: 2015 also so the addition of a Ca-K module to the kit. My best result is from December 28: Finally, one favourite must be this surge I captured: