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By R26 oldtimer
Well, not all just the sw ed80 and ed120.
I have acquired a taste lately for flat fields and round stars edge to edge. I've never bothered with ff/fr so far, I'd rather spend the money on an extra scope, but I feel I can justify one. But which one, as I would like to improve both my scopes. So it boils down to this: has anyone used either the dedicated sw ff/fr for the ed80 with the Ed120 or the ff/FR for the Ed120 with the ed80 and got good results? And when I say good, I don't mean great (as with the dedicated one), just better than using the scope with out one.
If so, which ff/FR did you use to match one scope and slightly improve the other, the ff/fr for the ed80 or the ed120? Perhaps a third party one? (but not too expensive, because it would beat the purpose of buying both the dedicated ones). Something like that: https://www.firstlightoptics.com/stellamira-telescopes/stellamira-2-0-8x-reducer-field-flattener-with-m48-adapter.html ??
P. S. I am using a Canon 600d dslr
I've been processing this image for quite a long now.
I started acquiring data the last season when I only managed to shoot 3 panels with the Canon 6D through the Esprit 80 for a total of ~7h.
This season I restarted and I added more data and covered a wider area. So a mix of portrait and landscape panels were planned and shot with the same scope and camera. Now every pixel represents at least 3-4h of integration, some have more.
All the above were shot from Bortle 2-3 sites where I traveled sometimes even for an hour of exposure.
To the RGB data I added 17.5h of Ha, same story with the panels. Some were oriented N-S, others E-W. These were shot with the SW 72ED and the ASI1600 from home and Bortle ~7.
Then I figured out I still had time and I planned and shot 9 more panels of luminance with the 72ED and ASI1600, each consisting of 1h of exposure.
I combined all of these into an image, processed it and for the Orion nebula and Running Man nebula I also blended some data I shot last season with the 130PDS and ASI1600 from home.
Below it's my first final version of all data combined. You can watch it in full resolution on astrobin: https://www.astrobin.com/full/jni0w8/ or Flickr: https://flic.kr/p/2iBGUXq
Have decided to sell my trusty Equinox ED80 refractor. Sharp optics, smooth two-speed Crayford rotatable focuser, fitted with a finder shoe, and complete with the original Skywatcher case and tripod-threaded mounting bracket. A 3D-printed Bahtinov mask is included, along with a pair of mounting rings and a Losmandy dovetail plate.
Collection preferred (Sussex coast, not far from Brighton), payment by bank transfer or cash on collection.
Looking for £325.00