LtE in CMO #279

From Barbara WILSON

. . . . . . . .Date: Tue, 9 Sept 2003 15:32:12 -0500

Subject: Novus Mons


9/7/2003 2:34 am (7:34UT) Mars 24.53 arc seconds in size at mag -2.75

8 inch f 6 with 2.8 barlow with 5 mm Takahashi eyepiece.


Central Meridian 351.85. LS 255.8 Mountains of Mitchel detachment from main cap (Novissima Thyle or Novus Mons) clearly visible at western limb of polar cap with dark line of separation between main cap and separate cap remnant.


Haven't seen this since August 24 1988 with this same telescope. I understand it has been imaged in Japan August 20th and seen visually in Japan since August 28th, but I had to wait until the Syrtis Major region Sinus Sabaeus and Sinus Meridiani rotated into my longitude. I also Photographed blue clouds over SPC at 12:12 am this Sunday morning. Attached images.


As an aside, I have been looking for the clear visual separation of the Mountains of Mitchell since longitude 250 (ls) but Sunday morning 9/7/2003 2:34 am (7:34UT it was clearly separated, with the white island (Novus Mons) totally clear away from the main cap. I had suspected the separation the morning before (Sept 6 7:UT) but could not confirm it due to a unsettled atmosphere (cold front) which affected seeing conditions here in Houston Texas.


. . . . . . . .Date: Thu, 11 Sept 2003 07:55:31 -0500

Subject: Re: Novus Mons


Dear Masami:

Nikon Coolpix 995 with 8mm eyepiece projection on 8 inch f6. First image is a stack of three using Registrax with blue channel pushed. Second image no enhancement or processing or stacking Third image - only processing was blue channel pushed to bring out clouds


Barbara WILSON (Houston, Texas, USA)

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