LtE in CMO #273

From Donald C PARKER


®. . . . . . . . . . Hi All,

     Here are some mars images from 30 May.

     Best,

(02 June 2003 02:12:16 +0000)

 

®. . . . . . . . . . Hi All,

     Here are some Mars images from 1 June.

     Best,

(03 June 2003 03:07:56 +0000)

 

®. . . . . . . . . . Hi All,

     Here are some Mars images from 5 June. SPC rifts are visible.

     Best,

(06 June 2003 04:27:16 +0000)

 

®. . . . . . . . . .Hi All,

     Here are some Mars images from 11 June. Note that the classical streak called Araxes has become prominent. The western half of Solis Lacus has become dull.

     Best,

(13 June 2003 03:21:39 +0000)

 

®. . . . . . . . . .Hi All,

     Here are some Mars images from 13 June.

     Best,

(15 June 2003 20:16:03 +0000)

 

®. . . . . . . . . . Hi All,

     Here are some Mars images from 16 June.

     Best,

(17 June 2003 23:09:27 +0000)

 

®. . . . . . . . . . Subject: RE:Mars Images

 

Hi Masatsugu,

 

         Thanks for your kind words. Observing Mars during perihelic apparitions is a nervous proposition for you in Japan and for us in Florida -- Typhoons and Hurricanes to worry about! I hope that you get some good observations.

         I don't use Planetmaster since it won't work with the ST9 -- however, of someone knows how to make it work with my camera I would be very interested. Until two weeks ago I had to sort through about 500 red-light images and pick the best 30-50 to stack. Then I discovered that if I increase the exposures to near saturation, the noise is reduced enough that I can use single, or maybe two, frames for the red channel. The ST9XE has huge dynamic range and very low noise tat makes this possible. So now I can just save the best shots. Saves about two hours!

         I just saw on the Weather Channel that the typhoon has weakened after crossing over Kyushu. I hope you will get some good seeing on Okinawa.

         Best, and thanks for the great job displaying observations on the OAA web page,

(19 June 2003 18:16:43 +0000)

 

®. . . . . . . . . .Hi All,

     Attached are some Mars images from 19 June. Very poor conditions, but there are some interesting clouds visible.

     Best,

(23 June 2003 02:18:57 +0000)

 

 

Don PARKER (Miami, FL, USA)

park3232@bellsouth.net

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