LtE in CMO #277

From Nicolas BIVER



® . . . . . . . .Date: Tue, 12 Aug 2003 17:30:56 +0200 (CEST)

Subject: Mars August 9 and 12, 2003

 

Dear All,

 

In this hot summer, the seeing at night is still not too bad, although, it could be better if atmosphere would cool further down (25°C at night, 39°C during day is a bit too much). Please find attached here my 2 latest drawings, with northern hemisphere, and Solis Lacus surroundings still very pale and low contrast (I do think not as dark as in 2001, but my optics are getting dusty - I should have a new telescope very soon). I have updated my webpage (July-August observations):

http://wwwusr.obspm.fr/biver/marsnews.html#M2003

 

The 2 attached drawings have the corresponding information:

 

Date: 2003-08-09 1:00 UT

CML = 152.6°, Dia.=23.7"

Instrument: 25.6-cm Newtonian, ×507

Seeing: 7 to 5 /10

Transparency 8 /10

Location Versailles, France

 

 

Date: 2003-08-12 1:05 UT

CML = 126.9°, Dia.=24.1"

Instrument: 25.6-cm Newtonian, ×507

Seeing: 6 /10

Transparency 8 /10

Location Versailles, France

 

Clear and steady Skies,

 


Nicolas BIVER (Versaille, France)

Nicolas.Biver@obspm.fr

biver@mesiog.obspm.fr                                      

http://wwwusr.obspm.fr/biver

http://solarsystem.estec.esa.nl/~nbiver

Observatoire de Paris-Meudon

5 Place Jules JANSSEN        

 92190 MEUDON, FRANCE


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