Fwd: [CometObs] Digest Number 3567

Comet Observations Group

1 Message

Digest #3567

1

C2018 Y1, 38P, 46P, 64P, 123P. by "jjgonzalez jjgonzalez" jjgsgp

Message

1

C2018 Y1, 38P, 46P, 64P, 123P.

Tue Feb 26, 2019 4:47 am (PST) . Posted by:

"jjgonzalez jjgonzalez" jjgsgp

C/2018 Y1 (Iwamoto):
2019 Feb. 25.00 UT: m1=6.8, Dia.=15', DC=3/, 12x45 monocular..
[ Sidgwick method. Tycho-2 comparison stars. SQM: 21.1.].

38P/Stephan-Oterma:
2019 Feb. 24.92 UT: m1=11.5, Dia.=2', DC=2/, 20 cm SCT (100x).
[ Sidgwick method. APASS comparison stars. SQM: 21.5.].

46P/Wirtanen:
2019 Feb. 24.85 UT: m1=8.8, Dia.=8', DC=2, 25x100B.
[ Sidgwick method. Tycho-2 comparison stars. SQM: 21.4.].

64P/Swift-Gehrels:
2019 Feb. 24.97 UT: m1=10.7, Dia.=4', DC=1/, 20 cm SCT (77x).
[ Sidgwick method. Tycho-2 comparison stars. SQM: 21.2.].

123P/West-Hartley:
2019 Feb. 24.95 UT: m1=12.4, Dia.=1.2', DC=4, 20 cm SCT (77x).
[ Sidgwick method. APASS comparison stars. SQM: 21.5.].

( Puerto de Aralla, Leon, Spain, 42º 54' N, 5º 48' W, alt.. 1530 m;
SQM : 21.5 at zenit ).

J. J. Gonzalez

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Good Clear Skies

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Good Clear Skies

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Astrocomet

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Colin James Watling

--

Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)

--

Profile: http://www.google.com/profiles/astrocomera

--

Real Astronomer and head of the Comet section for LYRA (Lowestoft and Great Yarmouth Regional Astronomers) also head of K.A.G (Kessingland Astronomy Group) and Navigator (Astrogator) of the Stars (Fieldwork)

--

Lyra Main Website: http://www.lyra-astro.co.uk/

Fwd: [CometObs] Digest Number 3563

Comet Observations Group

1 Message

Digest #3563

1a

C/2018 Y1, 46P. by "jjgonzalez jjgonzalez" jjgsgp

Message

1a

C/2018 Y1, 46P.

Mon Feb 18, 2019 4:27 am (PST) . Posted by:

"jjgonzalez jjgonzalez" jjgsgp

C/2018 Y1 (Iwamoto):
2019 Feb. 13.14 UT: m1=5.5, Dia.=30', DC=5, naked eye.
[ In 12x45 monocular: m1=5.7, Dia.=22', DC=4/.
Sidgwick method. Tycho-2 comparison stars. SQM: 21.5.].

46P/Wirtanen:
2019 Feb. 13.17 UT: m1=7.7, Dia.=18', DC=2, 12x45 monocular.
[ Sidgwick method. Tycho-2 comparison stars. SQM: 21.5.].

( Puerto de Aralla, Leon, Spain, 42º 54' N, 5º 48' W, alt.. 1530 m;
SQM : 21.6 at zenit ).

J. J. Gonzalez

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Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)

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Profile: http://www.google.com/profiles/astrocomera

--

Real Astronomer and head of the Comet section for LYRA (Lowestoft and Great Yarmouth Regional Astronomers) also head of K.A.G (Kessingland Astronomy Group) and Navigator (Astrogator) of the Stars (Fieldwork)

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Fwd: [CometObs] Digest Number 3559

Comet Observations Group

2 Messages

Digest #3559

1

Comet Observations 11th February 2019 by "Bomber2 Panther" outbackmanyep

2

C/2018 Y1 naked eye. by "jjgonzalez jjgonzalez" jjgsgp

Messages

1

Comet Observations 11th February 2019

Mon Feb 11, 2019 9:59 pm (PST) . Posted by:

"Bomber2 Panther" outbackmanyep

Comet Observations 11th February 2019

C/2018 Y1 Iwamoto
2019 Feb 11.64 UT; m1= 6.6; Dia= 30'; DC= 4; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Coma large and diffuse, transparent outer coma, opaque inner coma, moderately condensed centre.
Comparison stars checked using Yale Bright Star data in Guide 9.0; Method= M; Cat= YG

60P/ Tsuchinshan
2019 Feb 11.66 UT; m1= 13.6; Dia= 0.9'; DC= 5/6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Faint tail traced to 2.4' in length in P.A. 303°, Faint stellar pseudo-nucleus visible in good seeing.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ

123P/ West - Hartley
2019 Feb 11.67 UT; m1= 13.3; Dia= 1'; DC= 6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Difficult due to glare from nearby star. Faintly stellar at centre, diffuse outer coma.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ

C/2016 M1 PanSTARRS
2019 Feb 11.68 UT; m1= 11.5; Dia= 2.5'; DC= 4; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Low altitude = 17.8°; Moderately condensed centre, opaque inner coma.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ

2018Y1 2019 02 11.64 xM 6.6 YG 5.0B 7 30.0 4 ICQ XX WYA
60 2019 02 11.66 xM 13.6 AQ 25.0L 5 83 0.9 5/ 2.4m303 ICQ XX WYA
123 2019 02 11.67 xM 13.3 AQ 25.0L 5 83 1.0 6 ICQ XX WYA
2016M1 2019 02 11.68 xM 11.5 AQ 25.0L 5 39 2.5 4 ICQ XX WYA

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C/2018 Y1 naked eye.

Tue Feb 12, 2019 4:00 am (PST) . Posted by:

"jjgonzalez jjgonzalez" jjgsgp

C/2018 Y1 (Iwamoto):
2019 Feb. 12.03 UT: m1=5.5, Dia.=30', DC=5, naked eye.
[ In 12x45 monocular: m1=5.6, Dia.=25', DC=4.
Sidgwick method. Tycho-2 comparison stars. SQM: 21.4.].

( Collada de la Cobertoria, Asturias, Spain, 43º 9' N, 5º 54' W, alt. 1179 m;
SQM : 21.5 at zenit ).

J. J. Gonzalez

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Good Clear Skies

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Astrocomet

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Colin James Watling

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Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)

--

Profile: http://www.google.com/profiles/astrocomera

--

Real Astronomer and head of the Comet section for LYRA (Lowestoft and Great Yarmouth Regional Astronomers) also head of K.A.G (Kessingland Astronomy Group) and Navigator (Astrogator) of the Stars (Fieldwork)

--

Lyra Main Website: http://www.lyra-astro.co.uk/

Fwd: [CometObs] Digest Number 3557

Comet Observations Group

1 Message

Digest #3557

1

Comet Observations 9th February 2019 by "Bomber2 Panther" outbackmanyep

Message

1

Comet Observations 9th February 2019

Sun Feb 10, 2019 2:42 am (PST) . Posted by:

"Bomber2 Panther" outbackmanyep

Comet Observations 9th February 2019

C/2016 M1 PanSTARRS
2019 Feb 09.67 UT; m1= 11.7; Dia= 2.6'; DC= 3; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Faint star in coma; Coma very diffuse and weakly condensed. Low altitude = 18.7°.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ

60P/ Tsuchinshan
2019 Feb 09.68 UT; m1= 13.9; Dia= 1.0'; DC= 5/6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, inner coma opaque with faint stellar pseudo nucleus visible in good seeing. Faint tail can be traced to 2.3' in length in P.A. 310°.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ

C/2018 Y1 Iwamoto
2019 Feb 09.69 UT; m1= 7.0; Dia= 17.4'; DC= 5/6; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Close to bright stars, sometimes appears to have a faint stellar pseudo nucleus.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK

123P/ West - Hartley
2019 Feb 09.70 UT; m1= 13.5; Dia= 1.3'; DC= 6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Faint stellar central condensation, diffuse outer coma.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ

C/2017 M4 ATLAS
2019 Feb 09.71 UT; m1= 13.3; Dia= 0.8'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Small, difficult and diffuse. Sometimes appears stellar at centre.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ

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Good Clear Skies

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Colin James Watling

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Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)

--

Profile: http://www.google.com/profiles/astrocomera

--

Real Astronomer and head of the Comet section for LYRA (Lowestoft and Great Yarmouth Regional Astronomers) also head of K.A.G (Kessingland Astronomy Group) and Navigator (Astrogator) of the Stars (Fieldwork)

--

Lyra Main Website: http://www.lyra-astro.co.uk/

Fwd: [CometObs] Digest Number 3554

Comet Observations Group

2 Messages

Digest #3554

1

OBS-V: C/2018 Y1 & 46P (2019 Feb 6) by "Maik Meyer" maiki666

2a

C/2018 Y1, 46P. by "jjgonzalez jjgonzalez" jjgsgp

Messages

1

OBS-V: C/2018 Y1 & 46P (2019 Feb 6)

Tue Feb 5, 2019 8:31 pm (PST) . Posted by:

"Maik Meyer" maiki666

2018Y1 2019 02 06.14 S 6.9 TK 5.0B 10 20 3/ ICQ XX MEY
46 2019 02 06.15 S 8.5 TK 12.0R 5 30 8 2/ ICQ XX MEY

Linter, Germany
--
If they give you ruled paper, write the other way. * Juan Ramon Jimenez
__________________________________________________________
http://www.comethunter.de * https://twitter.com/skymorph
http://groups.yahoo.com/group/comets-ml
http://cobs.si

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2a

C/2018 Y1, 46P.

Wed Feb 6, 2019 3:40 am (PST) . Posted by:

"jjgonzalez jjgonzalez" jjgsgp

C/2018 Y1 (Iwamoto):
2019 Feb. 6.04 UT: m1=5.9, Dia.=30', DC=3, Tail= 1.3 deg. in PA 300 deg., 12x45 monocular.
[ Sidgwick method. Tycho-2 comparison stars. SQM: 21.3.].

46P/Wirtanen:
2019 Feb. 6.01 UT: m1=6.7, Dia.=25', DC=2, 12x45 monocular.
[ Sidgwick method. Tycho-2 comparison stars. SQM: 21.3; 21.5 at zenit.].

( Collada de la Cobertoria, Asturias, Spain, 43º 9' N, 5º 54' W, alt. 1179 m;
SQM : 21.5 at zenit ).

J. J. Gonzalez

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Colin James Watling

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Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)

--

Profile: http://www.google.com/profiles/astrocomera

--

Real Astronomer and head of the Comet section for LYRA (Lowestoft and Great Yarmouth Regional Astronomers) also head of K.A.G (Kessingland Astronomy Group) and Navigator (Astrogator) of the Stars (Fieldwork)

--

Lyra Main Website: http://www.lyra-astro.co.uk/

Fwd: [CometObs] Digest Number 3552

Comet Observations Group

2 Messages

Digest #3552

1

Comet Observations 3rd February 2019 by "Bomber2 Panther" outbackmanyep

2

OBS-V: C/2018 Y1 & 46P (2019 Feb 04) by "Maik Meyer" maiki666

Messages

1

Comet Observations 3rd February 2019

Sun Feb 3, 2019 11:43 pm (PST) . Posted by:

"Bomber2 Panther" outbackmanyep

Comet Observations 3rd February 2019

C/2016 M1 PanSTARRS
2019 Feb 03.43 UT; m1= 10.8; Dia= 4.2'; DC= 3/4; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, opaque centre, moderately condensed.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ

64P/ Swift - Gehrels
2019 Feb 03.44 UT; m1= 11.6; Dia= 2.8'; DC= 2; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Diffuse, transparent coma, weakly condensed. Faintly visible at x39.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

123P/ West - Hartley
2019 Feb 03.68 UT; m1= 12.9; Dia= 1.7'; DC= 6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse. Faint stellar central condensation, opaque inner coma.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ

C/2018 Y1 Iwamoto
2019 Feb 03.69 UT; m1= 7.2; Dia= 21'; DC= 4; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Diffuse, transparent outer coma, opaque inner coma. Moderately condensed. Enhances well in Swan band filter.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK

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OBS-V: C/2018 Y1 & 46P (2019 Feb 04)

Mon Feb 4, 2019 8:59 am (PST) . Posted by:

"Maik Meyer" maiki666

2018Y1 2019 02 04.14 S 7.1 TK 5.0B 10 25 3 ICQ XX MEY
2018Y1 2019 02 04.15 S 7.3 TK 12.0R 5 30 20 4 ICQ XX MEY
46 2019 02 04.16 S 8.1 TK 12.0R 5 30 11 3 ICQ XX MEY

Linter, Germany
--
If they give you ruled paper, write the other way. * Juan Ramon Jimenez
__________________________________________________________
http://www.comethunter.de * https://twitter.com/skymorph
http://groups.yahoo.com/group/comets-ml
http://cobs.si

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Good Clear Skies

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Astrocomet

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Colin James Watling

--

Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)

--

Profile: http://www.google.com/profiles/astrocomera

--

Real Astronomer and head of the Comet section for LYRA (Lowestoft and Great Yarmouth Regional Astronomers) also head of K.A.G (Kessingland Astronomy Group) and Navigator (Astrogator) of the Stars (Fieldwork)

--

Lyra Main Website: http://www.lyra-astro.co.uk/

Fwd: [CometObs] Digest Number 3553

Comet Observations Group

1 Message

Digest #3553

1

Comet Observations 4th February 2019 by "Bomber2 Panther" outbackmanyep

Message

1

Comet Observations 4th February 2019

Tue Feb 5, 2019 1:44 am (PST) . Posted by:

"Bomber2 Panther" outbackmanyep

Comet Observations 4th February 2019

C/2016 M1 PanSTARRS
2019 Feb 04.45 UT; m1= 11.1; Dia= 4.7'; DC= 5; 25cm L, f:5 (x40) [Chris Wyatt, Walcha, NSW, Australia]
Close to star, diffuse inner coma, faint stellar central condensation in good seeing. First comet with new 31mm Nagler Type V eyepiece.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ

C/2016 N6 PanSTARRS
2019 Feb 04.46 UT; m1= 13.0; Dia= 1.4'; DC= 3/4; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Close to star, diffuse inner coma, faint stellar central condensation in good seeing.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ

64P/ Swift - Gehrels
2019 Feb 04.47 UT; m1= 11.2; Dia= 3.1'; DC= 2; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Very diffuse, weak centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

C/2018 Y1 Iwamoto
2019 Feb 04.68 UT; m1= 7.2; Dia= 25'; DC= 4; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, opaque moderately condensed centre.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK

60P/ Tsuchinshan
2019 Feb 04.69 UT; m1= 13.5; Dia= 1.2'; DC= 4/5; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Sometimes stellar, opaque inner coma fading to edges.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ

123P/ West - Hartley
2019 Feb 04.70 UT; m1= 13.1; Dia= 1.4'; DC= 6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Faintly stellar in good seeing, diffuse.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ

2016M1 2019 02 04.45 xM 11.1 AQ 25.0L 5 40 4.7 5 ICQ XX WYA
2016N6 2019 02 04.46 xM 13.0 AQ 25.0L 5 83 1.4 3/ ICQ XX WYA
64 2019 02 04.47 xS 11.2 AQ 25.0L 5 39 3.1 2 ICQ XX WYA
2018Y1 2019 02 04.68 xM 7.2 TK 5.0B 7 25.0 4 ICQ XX WYA
60 2019 02 04.69 xM 13.5 AQ 25.0L 5 83 1.2 4/ ICQ XX WYA
123 2019 02 04.70 xM 13.1 AQ 25.0L 5 83 1.4 6 ICQ XX WYA

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Good Clear Skies

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Astrocomet

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Colin James Watling

--

Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)

--

Profile: http://www.google.com/profiles/astrocomera

--

Real Astronomer and head of the Comet section for LYRA (Lowestoft and Great Yarmouth Regional Astronomers) also head of K.A.G (Kessingland Astronomy Group) and Navigator (Astrogator) of the Stars (Fieldwork)

--

Lyra Main Website: http://www.lyra-astro.co.uk/