LtE in CMO #274

From Frank J MELILLO

® . . . . . .Sent: Wednesday, July 02, 2003 8:15 PM

Subject: Re: Mars - June 16, 2003


Dear all -


I had imaged Mars this morning July 2, 2003 at 9:38 - 9:43 UT. It is posted at:


The seeing was a little above average at 6/10. Syrtis Major is clearly seen and Hellas is kind of dull. But on the north side of Hellas is a little brighter. The contrast of the features like Mare Tyrrhenum, Hesperia and others are not as strong as I expected. Not sure if this is due to the fine scattered dust in the Martian atmosphere.


® . . . . . .Sent: Saturday, July 05, 2003 8:30 PM

Subject: Mars - July 5, 2003


Dear all -


Mars was imaged July 5th between 9:30 - 9:42 UT. Seeing was average with high humidity, haze, scattered high clouds and a slight breeze. In spite of these conditions, Mars still came out pretty decently.


Toward the morning limb, Iapygia is covered by dust clouds. It is spreading and south Mare Tyrrhenum is obscured. All other features look normal at this point.


® . . . . . .Sent: Wednesday, July 09, 2003 8:36 PM

Subject: Mars - July 9, 2003


Dear all -


Mars was imaged again July 9th between 9:54 UT- 10:05 UT. The seeing was just above average. Still, some scattered clouds around with high humidity.


Mare Cimmerium and Mare Tyrrhenum dominate the disk and Hesperia is seen clearly between the two features. In the north, Elysium is surrounded by two dark features Trivium Charontis/Cerberus and Hyblaeus.


As far as the dust clouds concern, it is still bright along the eastern limb where Hellas is located. Not much difference from the day before. Perhaps some dust clouds in Eridania and Ausonia just south of Mare Cimmerium on the meridian?



Director, the ALPO Mercury Section

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