[AZ-Observing] Re: Cloudy Mars and Venus
- From: "Gene A. Lucas" <geneluca@xxxxxxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Tue, 17 Apr 2012 21:28:12 -0700
Nice shots, Tom!! KUTGW!!
Gene L.
On 4/17/2012 20:44, Tom Polakis wrote:
> Mars is shrinking fast, now at an angular diameter of 11". The blue color
> channel in this RGB image picked up large clouds above the globe. I shot
> with a relatively small image scale with the 10-inch and 2.5x Barlow, and
> up-sampled the image by a factor of two.
>
> http://www.pbase.com/polakis/image/142754285
>
>
> Here is Venus, which has grown to 31", shot through a UVenus filter. Only a
> large, lighter patch near the center is apparent in the image. I was
> surprised to see that this feature was also noticeable visually before the
> camera went into the focuser. As Venus grows, it's phase shrinks, so
> cloud-watching will be over in a few weeks.
>
> http://www.pbase.com/image/142754210
>
> Tom
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