Moon

Clavius  – 1/15/2011 with Orion 7″ Mak Cassegrain
Imaging Source DMK camera at focal plane – processed with AVI Stack


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Archimede – 4/22/2010 with Orion 7″ Mak Cassegrain at 22:13 PDT
Orion Solar System Imager III at focal plane – processed with AVI Stack


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Plato – 4/22/2010 with Orion 7″ Mak Cassegrain at 22:09 PDT
Orion Solar System Imager III at focal plane – processed with AVI Stack

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Clavius – 4/22/2010 with Orion 7″ Mak Cassegrain at 22:13 PDT
Orion Solar System Imager III at focal plane – processed with AVI Stack

 

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02/01/2009 – Celestron SCT 9.25″ – Orion Star Shoot Solar System II

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Orion 102ED – 09/06/2008 – Star Shoot Solar System II

  1. #1 by Fernando on September 21, 2010 - 8:36 am

    Hello
    I read in one of your posts that the Imaging Source can not or is not good for Lunar wide fields? Check my website above, I used to use a Neximage for Lunar and now moved to the IS DMK same as the one you use. Some of the shots there are actually with the imaging source and I do get much better resolution with the DMK. I usually use an 11 inch Celestron SCT but I have also tried with my 6 Inch SCT. In some cases a focal reducer works wonders. To extend that wide field.
    On another note your Jupiter shots are very nice. I have struggled with the luminance AVIs. not sure if it’s processing or my eyes can not distinguish focus from blur anymore. any hints on your settings for Jupiter and how you post process Registax and Photoshop etc?
    Fernando Rodriguez
    Weston,FL

  2. #2 by jmeriaux on September 21, 2010 - 1:33 pm

    Hi Fernando,

    Nice moon picture with the DMK… What I meant is that my camera has a small frame, and other DMK cameras such has the DMK 41AU02.AS (1280×960) are probably more appropriate than the DMK 21AU04.AS (640×480). This one is really optimized for planets since it can take frames in high speed succession.
    Re: my Jupiter shots glad you like it. I use a meade microfocuser with the Mak-Cass for focusing.
    See this post
    It really helps me to do a very precise focusing – without shifting the primary mirror when focusing which is the bane of Mak/Cass & SCTs (at least the ones I have)…. I used a set of LRGB filters (Orion) and a filter wheel – the filters are “almost” parfocal. Using a luminance filter helps to keep (almost) the same focus across l / r / g / b channels. Also since my DMK is without Infrared filter – the luminance filter is mandatory since it cuts the IR/UV wavelengths. Exposure time in each channel is different to keep an histogram shape quite similar across all channels. I found it to be very important to have a good/natural color balance.
    In terms of processing – I used wavelets in registax -and in addition of Photoshop I use for the final touch Sharpener pro (Nik software) and Focus Magic. But in my last processing I tried to keep it somewhat light on sharpening otherwise the image looks too “artificial”…
    Thanks! Jean-Christophe

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