Archive for the “Canon 200mm prime lens” Category

Only been able to recently process this one properly thanks to Noel Carboni’s new AstroFlat plugin.

This is a 2-framer using the 200mm lenses and Trius M26C OSC CCDs with each frame a total of 12-hours integration time using 20-minute subs.

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Beautiful clear Moonless sky last night – hard to know where to point the telescopes.  Decided on the Bubble nebula region and the 2 x Canon 200mm prime lenses together with the 2 x Trius M26C OSC CCDs.  “Claws” is not coming out as well as I’d expected with 14 x 30-minute subs and I think this is all down to my rapidly deteriorating skyglow.  I guess a move might be on the cards after all.

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A couple of nights back we had an extremely rare clear, Moonless night.  Gremlins were at work as I have hardly used the kit in almost a year – never mind.  Managed to get 4 x 30-minute subs on the Belt of Orion using the 200mm lenses and the Trius M26C OSC CCDs.

As there were only 4 subs the image is very noisy and the stacker doesn’t get rid of plane trails when 2 of the 4 subs have plane trails on them.  However, what this image does show is that the framing of the Belt is just about perfect with the 200mm lenses and if I ever see another clear, Moonless night, I am going to have to return to this and get a load more subs.

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This is a two-framer using the Canon 200mm lenses on the miniWASP array.

Left hand frame is centred on IC2087.

Image flattened using Noel Carboni’s new flattening tool.

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A two-framer of the Arcturus region using the Canon 200mm lenses on the miniWASP array.

Image flattened using Noel Carboni’s new flattening tool – soon to be released.

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As well as capturing asteroid JO25 2014 on the single Sky 90/M26C – I also managed to grab 16 subs on the two 200mm lenses with the Trius M26Cs.

Sub number 12 (counting down from the top) is missing as I had cloud over the region during that 5-minutes.

As I couldn’t properly process this data myself, I sent it over to Noel Carboni in Florida USA who did the most superb job as you can see below.  Thank you Noel!!

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Processed to show the dark tendrils that permeate all dense star regions:

 

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A 200mm lens 2-framer taken over 2 nights this week – Procyon & Gomeisa in Canis Minor.

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No Moon and some clear sky between 8:15 p.m. and 10:00 p.m.

Set up the 2 x 200mm lenses on the Procyon region for the first of 2 frames containing Procyon and Gomeisa.  Got the Procyon frame and cropped it down to fit with some earlier Procyon data taken with the Sky 90.  Here is the Registar bolt-together of the 2 datasets.

11 x 9-minute subs with the 200mm lenses and M26C cameras from last night.

Around 3-hours of 10-minutes subs from the Sky 90 and M25C from earlier.

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And here is a 2-frame mosaic combining the IC2087 and SAO76573 frames taken with the Canon 200mm prime lenses and M26C OSC CCDs.

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