LtE in CMO #246,247,248,249

From Gérard TEICHERT

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@. . . . . Here are my latest Mars images of MARS on 12 June 2001.

Best regards

(15 June 2001 email)

Date (in UT): 12 June 2001 Time (UT) 00:18 h

CM: 193° δ = -26ﾟ26'36" H = 15°

Telescope: Schmidt-Cassegrain 280 mm ( f / 25)

Seeing: (0-10 scale) 3 Trans.: (0 ? 6m) 4 Wind: high humidity

Magnification: 311x and 330x

Filters: Schott: Wratten: W 64 blue/green, W 85 salmon, W 80a blue

Zeiss: VG 6 green.

Observer: TEICHERT Gerard

Observer station: Hattstatt / France

7ﾟ18' (E) / 48ﾟ01' (N)

gteichert@hotmail.com

-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-

The NPC appears faded and can hardly be seen

Whitish clouds (1) filter blue W80a, covered AMAZONIS--Nix OLYMPIA

White clouds (2) covered AEOLIS

AUSONIA (3) is bright and can be seen (filter Zeiss WG 6, green)

The SPC appears smaller than before

The SPC appears whitish (filter W80a blue)

@. . . . . . Date (in UT): 3 July2001 Time (UT) 20:38h

CM: 305° δ = -26°51’32” H = 13°

Ls= 189° O= 20.3" De = 6°

Seeing (0-10 scale): 3 Trans. (0 ? 6m): 1 Wind: moon

Telescope: Schmidt-Cassegrain 280 mm (f / 25)

Magnification: 311x and 330x

Filters: Schott: Wratten: W 64 blue/green, W 85 salmon, W 80a blue Zeiss: VG 6 green.

Observer: TEICHERT Gerard

Observer station: Hattstatt / France 7°18’ (E) / 48°01 (N) gteichert@hotmail.com

Observing notes:

Dust storm (?)

Appears of the eastern areas except west of SYRTIS MAJOR.

(3 July 2001 email)

@. . . . . .Date (in UT) 22 July 2001 CM:136° Time(UT) 20:49h

A rather ring-like dark band surrounded the NPC (H). (CANDIA)

Isolated bright spot (1) near OPHIR

SOLIS LACUS is dark

The eastern limb (2) and the extreme SPR is slightly bright

oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo

Date (in UT) 25 July 2001 CM:111° Time (UT) 20:58 h

The Mars atmosphere is less transparent than usual !!

The NPC (H) is whitish. (Filter blue)

TEMPE (1) is bright

MARE ERYTHRAEUM is difficult to see (low contrast!)

SOLIS LACUS could not be seen

The eastern limb (2) and the extreme SPR is slightly bright

(29 July 2001 email)

@. . . . . .Date (in UT): 1 August 2001 Time 20:37 h(UT)

CM: 38° δ = -26ﾟ52’46” Alt. =15°

Ls = 206° O = 16.9" De = 7°

Seeing (0-10 scale): 2-3 Trans. (0 ? 6m): 4 Wind: /

Telescope: Schmidt-Cassegrain 280 mm (f / 25)

Magnification: 311x and 330x

Filters: Schott: Wratten: W 64 blue/green, W 85 salmon, W 80a blue Zeiss: VG 6 green.

Observer:TEICHERT Gerard

Observer station: Hattstatt / France 7ﾟ18’ (E) / 48°01’ (N) gteichert@hotmail.com

The NPC (H) can be seen. (Filter blue/green W80a)

A rather ring-like band surrounded the NPC(H) of the northern part of MARE ACIDALIUM and MARE BOREUM.

The Martian atmosphere is less transparent than usual!

The surface indicates different albedo features

(6 August 2001 email)

@. . . . . .Date (in UT): 11 August 2001 Time (UT) 20:14h

CM: 302° δ = -26°57’30” Alt. = 14°

Ls = 212° O = 15.6" De = 6°

Seeing (0-10 scale): 3-4 Trans. (0 ? 6m): 4 Wind: slightly

Telescope: Schmidt-Cassegrain 280 mm (f / 25)

Magnification: 311x and 330x

Filters: Schott: Wratten: W 64 blue/green, W 85 salmon, W 80a blue Zeiss: VG 6 green.

Observer: TEICHERT Gerard

Observer station: Hattstatt / France 7°18’ (E) / 48°01’ (N) gteichert@hotmail.com

Observing notes:

The NPC is very clear (Zeiss filter VG6 green)

No details can be seen on the SPC(H) (Zeiss filter VG6 green)

The SPC (H) is whitish (blue filter W80a)

The NPC can be seen (blue filter W80a)

The Martian atmosphere is less transparent than usual!

SYRTIS MAJOR and the northern areas can hardly be seen!

(Filter W80a blue and filter W64 blue/green)

SINUS SABAEUS could not be seen!

A white cloud (1) is located east of the SPC(H)

oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo

Date (in UT): 12 August 2001 Time (UT) 20:12h

CM: 292° δ = -26°57’59 ” Alt. = 14°

Ls = 213° O = 15.5" De = 5°

Seeing (0-10 scale): 2-3 Trans. (0 ? 6m): 4 Wind: hazy

Telescope:Schmidt-Cassegrain 280 mm (f / 25)

Magnification: 311x and 330x

Filters: Schott: Wratten: W 64 blue/green, W 85 salmon, W 80a blue Zeiss: VG 6 green.

Observer:TEICHERT Gerard

Observer station: Hattstatt / France 7°18’ (E) / 48°01’(N) gteichert@hotmail.com

Observing notes:

Low contrast in the areas!

SYERYIS MAROR, SINUS SABAEUS and the northern areas ware hardly be seen

MARE SERPENTIS was quite dark

No details can be seen on the PANDORAE FRETUM

The NPC is whitish (salmon filter W85)

The SPC(H) appears smaller than before

White limb haze along the eastern limb.

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Date (in UT): 13 August 2001 Time (UT) 19:57h

CM: 279° δ = -26°58’28” Alt. = 14°

Ls = 214° O = 15.4" De = 5°

Seeing (0-10 scale): 2-3 Trans. (0 ? 6m): 3 Wind: hazy

Telescope: Schmidt-Cassegrain 280 mm (f / 25)

Magnification: 311x and 330x

Filters: Schott: Wratten: W 64 blue/green, W 85 salmon, W 80a blue Zeiss: VG 6 green.

Observer: TEICHERT Gerard

Observer station: Hattstatt / France 7°18’ (E) / 48°01’ (N) gteichert@hotmail.com

Observing notes:

The areas can hardly be seen!

MARE CIMMERIUM is very dark!

SYRTIS MAJOR can hardly be seen. Borders are fading.

The NPC is now smaller

(15 August 2001 email)

@. . . . . .Date (in UT): 14 August 2001 Time (UT) 20:08h

CM: 272° δ = -26°58’55” Alt. = 14°

Ls = 214° O = 15.2" De = 5°

Seeing (0-10 scale): 2-3 Trans. (0 ? 6m): 3 Wind: hazy (+28° C

Telescope: Schmidt-Cassegrain 280 mm (f / 25)

Magnification: 311x and 330x

Filters: Schott: Wratten: W 64 blue/green, W 85 salmon, W 80a blue Zeiss: VG 6 green.

Observer:TEICHERT Gerard

Observer station: Hattstatt / France 7°18’ (E) / 48°01’ (N) gteichert@hotmail.com

Observing notes:

14 August 2001 CM = 272° UT = 20:08h

The NPC is very clear (blue filter W80a and blue/green filter W64)

ELYSIUM clouds (1) on the north/eastern limb

The northern part of SYRTIS MAJOR can be seen

The southern areas, of SYRTIS MAJOR, could not be seen!!

BOREOSYRTIS can hardly be seen

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Date (in UT): 15 August 2001 Time (UT) 20:11h

CM: 264° δ = -26°59’21” Alt. = 14°

Ls = 215° O = 15.1" De = 5°

Seeing (0-10 scale): 2 Trans. (0 ? 6m): 3 Wind: cloudy

Telescope: Schmidt-Cassegrain 280 mm (f / 25)

Magnification: 311x and 330x

Filters: Schott: Wratten: W 64 blue/green, W 85 salmon, W 80a blue

Zeiss: VG 6 green.

Observer:TEICHERT Gerard

Observer station:Hattstatt / France 7°18’ (E) / 48°01’ (N) gteichert@hotmail.com

Observing notes:

15 August 2001 CM = 264° UT = 20:11h

The NPC can be seen (green filter VG6 and blue/green filter W64)

The ELYSIUM clouds (1) are moving north!

MARE CIMMERIUM is dark

No details can be seen on the SYRTIS MAJOR!

BOREOSYRTIS is dark

(19 August 2001 email)

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Gérard TEICHERT (Hattstadt, France)

gteichert@hotmail.com

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