LtE in CMO #243

From Donald C PARKER


@.......Here are some Mars images from 24 April. Best,

(26 April 2001 email)

 

MARS IMAGES 24 Apr., 2001

 

D.C. Parker, Coral Gables, FL.  Lynxx PC camera  16-in (41cm) Meade SCT

            Eyepiece Projection @ f/49.3  Paramount GT 1100S Mount

            Integration Times:

    BLUE (Koh-eisha, 445nm peak central; BWHM 105nm)   5.20s

    GREEN (Koh-eisha, 540nm peak central; BWHM 75nm)   1.84-2.08s

    RED (RG610 - No IR Rejection)                     0.38-0.41s

Images flat and dark corrected. Seeing very good (8, Pickering). Transparency good (5.0m) with occasional clouds. HOWEVER, wind very strong E & ESE 9-16 kts with gusts to 22 kts. Altitude = 38-40 degrees. No dew. SPH bright in blue light. Delicate cloud eastern Chryse to Eden. Brilliant morning limb arc.

 

@.......Here are some more Mars images (from 11, 15, 26 April). Still looking pretty normal for the season. Best,

(28 April 2001 email)

 

MARS IMAGES 26 Apr., 2001

 

D.C. Parker, Coral Gables, FL.  Lynxx PC camera  16-in (41cm) Meade SCT

            Eyepiece Projection @ f/49.3  Paramount GT 1100S Mount

            Integration Times:

    BLUE (Koh-eisha, 445nm peak central; BWHM 105nm)    6.80-8.80s

    GREEN (Koh-eisha, 540nm peak central; BWHM 75nm)    2.32-2.48s

    RED (RG610 - No IR Rejection)                      0.44s

Images flat and dark corrected. Seeing fairly good (6, Pickering). Transparency fair (4m) due to smoke from wildfires. Wind SW 0-1 kts. Altitude = 40-38 degrees. Very heavy dew. SPH broken. Moderately bright morning limb arc. Localized cloud in Candor, rotating with planet. Wispy clouds in Chryse.

 

@.......I will be in Chicago for the next 10-12 days. It is one place with worse weather than Miami right now! Best,

(2 May 2001 email)


Don PARKER ( FL, USA )  
 dparker@netside.net


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