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Mars 10-25-2020

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#1 Achernar

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Posted 29 October 2020 - 09:25 AM

Last Sunday night, a brief window in the cloudy and rainy weather ahead of hurricane Zeta's arrival opened, which I took advantage of from my driveway. This image of Mars is a stack of 9,000 frames from the best of the six AVI files I was able to get before the clouds closed back in. Each AVI file contained about 50,000 frames recorded at 400X400 pixel resolution. The video data was acquired with a ZWO 290MC camera and atmospheric dispersion corrector together with an Antares 1.5X Barlow lens. After stacking in Autostakert and sharpening in the Registax wavelets, post processing was carried out in Photoshop. A second sharpening was done with a light application of unsharp masking. The telescope was as usual, an 8-inch EdgeHD SCT. The eye like feature near the center of the disk is Solis Lacus, or Lake of the Sun.

 

Taras

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#2 sunnyday

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Posted 29 October 2020 - 11:59 AM

nice take , thanks .



#3 JMP

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Posted 29 October 2020 - 01:18 PM

Nice work!!

#4 Thundermoon1994

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Posted 29 October 2020 - 01:54 PM

A very fine image!  I am curious why you use the 8" SCT when your signature indicates you have 10" and 15" scopes as well?



#5 Achernar

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Posted 29 October 2020 - 02:50 PM

A very fine image!  I am curious why you use the 8" SCT when your signature indicates you have 10" and 15" scopes as well?

Thanks! I use an 8-inch SCT because the other telescopes are Dobs. I have messed with a video camera on my 10-inch, and found I'd much rather use a tracking mount instead of trying to track manually. I am thinking though about putting my 15-inch Dob, which I built originally for observing deep sky objects, on a tracking platform for the purpose of imaging the planets. I haven't yet decided if I am simply going to buy the platform or make it myself. The benefits of using large telescopes to image the planets are obvious thanks to the top notch work shown here on Cloudynights, but I have been very happy with my 8-inch SCT as an imaging platform. It's so easy to set up and be ready to gather video data I do so every opportunity I get.

 

Taras


Edited by Achernar, 29 October 2020 - 03:12 PM.

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