View Single Post
  #1  
Old 29-10-2007, 07:35 AM
iceman's Avatar
iceman (Mike)
Sir Post a Lot!

iceman is offline
 
Join Date: Sep 2004
Location: Gosford, NSW, Australia
Posts: 36,799
Mars - Sunday morning in good seeing

Hi all

The seeing was good on Sunday morning, helped by very stable overnight temperatures (14°C) allowing my mirror to cool (passively, with a fan) to within 0.2° of ambient.

Mars is still very low at max 31° altitude, but it's just high enough to still capture some decent detail in good conditions, as shown by Anthony's amazing image from last week.

At this CM, Syrtis Major is the main vertical dark albedo feature just to the left of the middle, and Hellas is the bright area up near the South pole. The dark regions rotating into view from the right are Sinus Sabeaus and Pandorae Fretum.

Captured with my 12" newt on EQ6, DMK21AF04 + 5x powermate + Astronomik RGB filters. Best 300 frames from each channel were stacked. The red channel was used as Luminance.

Thanks for looking.
Attached Thumbnails
Click for full-size image (20071028-mars.jpg)
39.6 KB118 views
Reply With Quote