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Found 8 results

  1. I recently purchased an AG TC for use with a C11. But I am finding the instructions in the booklet that came with the device difficult to get my head around. I want to use this set up with a DSLR, but I'm not sure which adaptors or spacers I need. The booklet suggested the short BTA [TS Optics part TSSC-T2L] in combination with Baader vari-lock 46 [Part no. 2956946]] - which I have, with but that does not connect to the T-ring of my camera in such a way that the AG-TC is securely located. Can someone point me in the right direction as I think I need a custom adaptor for the 3.25" C11 SCT thread, to fit the AG-TC inside it. I have the standard Canon to 2" adaptor for use with any scope and I also have a 1mm thick T-ring for my Canon 700d / 60Da, that has a M42 female thread in it. The AG-TC can be sandwiched between the 1mm/M42F thread barrel connector I have but I think that I may not have enough back focus. I just want the right measurement for the length of the custom adaptor [3.25" SCT female to M42 Male] to mount it to the C11. Thanks. Robert
  2. Hi, Last night the skies cleared in Essex and so I decided to couple my D7200 to a C11 again. I've been using recently this setup quite successfully for making moon mosaics. The seeing is not good at all these days so I've totally dropped the ball on planets. However, I decided to try for M42 core - trapezium region and managed to get a few 30s exposures (unguided), which I tried stacked using DeepSkyStacker. The exposures where taken in RAW(NEF) format and seem to stack reasonably well - not perfect as there are still many adjustments I need to make to get the tracking acceptable. I know a C11 is not the ideal setup for this so please bear with me. All the original exposures show some decent amount of colour (please see below). However, the stacked TIFF is mostly grey. Please, what am I doing wrong?
  3. I have been trying as I might to get some good lights of M51 over the last few months but the clouds only clear when its a full moon I managed to get two 600s images last night with no moon but then high cloud appeared and although I could see the stars, my camera picked up the haze of clouds. Anyhow, here is a quick process of my lights ( 300s x 15 and 600s x15 ). Not cropped...look closely and you can see the stacking Hope you like. Taken with C11 at f/10 using ATIK4120EX OSC on a Mesu 200 mount. Over the last few months of 2017.
  4. For Sale: ADM Mini Dovetail Counterweight Celestron 11" Kit This is a used counterweight kit that had been fitted to my CPC1100 scope. It is in excellent condition. Sale includes all original kit components which is: 11" mini dovetail bar, dovetail bar adapter, one 3.5lb counterweight, two mounting brackets and eight stainless steel ADM screws. See https://www.firstlightoptics.com/adm-counterweight-kits/adm-mini-dovetail-counterweight-celestron-11-kit.html NOW SOLD to Chris
  5. From the album: David Newbury

    I took some images of Catalina last year. I was working on PixInsight and came across BLINK. That put me on the road to creating .GIF movies images. Taken using ATIK 4120EX on my C11 using NEQ6 mount from my garden in UK.
  6. dokeeffe

    rosette.jpg

    From the album: Dereks Album

    Testing out some focus and guiding changes and my new lodestarX2 guider. Celestron CPC1100 + Starizonia f6.3 reducer Atik 383L+, Atik WFW, Atik OAG 11x600 sec with Baader 7nm HA filter All controlled with INDI + EKOS
  7. Discussing with a friend who had problems with his new SC on the Sun it was necessary to make him understand how I saw it so that he had a confrontation, while he could not get a crisp image to the monitor. So I decided to assemble this short explanatory movie which I hope will be useful to someone else. I think that see it directly is always better than any explanation in words, we are all subject to personal parameters. As you can see the micro-details are blured with an average/poor seeing, nothing compared to the high contrast of refractor and herschell prism images but even if the eye cannot dinstinguish, the datas are there available to them, and once stacked enough frames and acted on the levels and wavelet they will come out. We can see faculae, umbra and penumbra crossed by filaments, granulation and pores. The shots were made ​​with a C11 which mounted filter Astrosolar 5ND at full aperture and Continuum filter screwed to the camera.
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