LtE in CMO #275

From Donald C PARKER

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® . . . . . . . .Date: Mon, 14 July 2003 02:08:11 +0000

Subject: Mars Images

Hi All,

Attached are some Mars images from 13 July. No major dust activity.

Best,

D.C. Parker, Coral Gables, FL. 16-in (41cm) Newtonian

ST9XE CCD Camera Eyepiece Projection @ f/55.4

Integration Times:

RED (RG610 Red Filter, 610-1100nm: NO IR Rejection) 0.12s 1-2 images

GREEN (CFW8C, 531nm central; BWHM 86nm) 0.37-0.39s 5-9 images

BLUE (CFW8C, 450nm central, BWHM 116nm) 1.20s 5-7 images

Images bias, flat and dark corrected.

Seeing fair (5-7, Pickering). Transparency variable (0-5.0 m) with frequent fast cumulus clouds. Wind E 7-14 kts. No dew. Altitude = 51 degrees.

Minimal clouds. Only a small orographic over Arsia Mons. Thin AM limb arc. Light haze over Eridania, bright in green. Possible small dust cloud in Northern Electris near southern border of Atlantis I. Trivium-Cerberus remains weak. SPC rifts prominent: Ulyxix Fr., Rima Australis, Magna Dep. Thyles Mons bright near CM. Violet Clearing = 0. Olympus very dark in blue and green.

® . . . . . . . .Date: Sat, 19 July 2003 04:41:48 +0000

Subject: Mars Graze

Hi All,

Here are some images we took of the Mars grazing occultation from south central Florida.

Scope: 6-in f/8 Newtonian, 3X Barlow IR Rejection filter

ToUCam Pro, 1/33 sec

Each image stacked from 8-12 frames. Processed and stacked in Registax.

Best,

® . . . . . . . .Date: Sun, 20 July 2003 02:01:02 +0000

Subject: Mars Images

Hi All,

Here are some Mars images from 16 July.

Best,

D.C. Parker, Coral Gables, FL. 16-in (41cm) Newtonian

ST9XE CCD Camera Eyepiece Projection @ f/55.4

Integration Times:

RED (RG610 Red Filter, 610-1100nm: NO IR Rejection) 0.14s 1-2 images

GREEN (CFW8C, 531nm central; BWHM 86nm) 0.37-0.38s 5-7 images

BLUE (CFW8C, 450nm central, BWHM 116nm) 1.20s 7-9 images

Images bias, flat and dark corrected.

Seeing fair (5-6, Pickering). Transparency 4.0 m with high cirrus.

Wind E 0-2 kts. No dew. Altitude = 51 degrees.

Minimal cloud activity. Violet Clearing = 0. Phasis and Sirenum M. broken up into numerous dark nucleii.

® . . . . . . . .Date: Mon, 21 July 2003 02:47:28 +0000

Subject: Mars Images

Hi All,

Here are some mars images from 19 July.

Best,

D.C. Parker, Coral Gables, FL. 16-in (41cm) Newtonian

ST9XE CCD Camera Eyepiece Projection @ f/55.4

Integration Times:

RED (RG610 Red Filter, 610-1100nm: NO IR Rejection) 0.11s 1 image

GREEN (CFW8C, 531nm central; BWHM 86nm) 0.32-0.33s 7-10 images

BLUE (CFW8C, 450nm central, BWHM 116nm) 0.95s 9 images

Images bias, flat and dark corrected.

Seeing fair (6, Pickering), with occasional moments of excellence. Transparency 5.0 m with occ clouds. Wind ESE 0-6 kts. No dew. Altitude = 50-51 degrees.

SPC becoming mottled, irregular. Minimal clouds. Violet Clearing = 1+ Solis Lacus remains elongated N-S. Small spot on its southern tip -- bright in red -- dust?

® . . . . . . . .Date: Mon, 21 July 2003 22:22:30 +0000

Subject: Mars Images

Hi All,

Attached are some mars images from 21 July.

Best,

D.C. Parker, Coral Gables, FL. 16-in (41cm) Newtonian

ST9XE CCD Camera Eyepiece Projection @ f/55.4

Integration Times:

RED (RG610 Red Filter, 610-1100nm: NO IR Rejection) 0.12s 1 image

GREEN (CFW8C, 531nm central; BWHM 86nm) 0.32s 9 images

BLUE (CFW8C, 450nm central, BWHM 116nm) 0.99s 7-10 images

Images bias, flat and dark corrected.

Seeing good (8, Pickering). Transparency 4.5-5.0 m. No wind. Light dew. Altitude = 51 degrees.

SPC mottled and has irregular edge in red light. NP Hood bright. Minimal Cloud activity. Violet Clearing = 0. Small, dark nucleii in Solis Lacus. Numerous "canals" in Thaumasia also breaking up into dark nucleii.

® . . . . . . . .Date: Thu, 24 July 2003 02:05:48 +0000

Subject: Mars Images

Hi All,

Here is a Mars images from 22 July taken with a 10-inch Dall-Kirkham and ToUCam web cam.

Best,

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Don PARKER (Miami, FL, USA)

park3232@bellsouth.net

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