Sunday 21 January 2018

Fwd: [CometObs] Digest Number 3376

Comet Observations Group

2 Messages

Digest #3376

1.1

OBS-V by "Castell.Nova" szasa0

C/2015 O1, C/2016 R2, C/2017 O1, C/2017 T1, 24P, 62P, 174P, 185P ( D by "Juan Jose Gonzalez" jjgsgp

Messages

1.1

From last night:

174P/ Echeclus

2017 Jan. 19.89 UT: m1=14.6, Dia.=0.8', DC=1, 60 cm reflector (305x)

C/2016 A1 (PanSTARRS)

2017 Jan. 19.93 UT: m1=15.3, Dia.=0.3', DC=4, 60 cm reflector (406x)

C/2016 R2 (PanSTARRS)

2017 Jan. 19.87 UT: m1=11.0, Dia.=1.7', DC=5, 60 cm reflector (187x)

13' long tail is visible to PA 100 deg

Clear Skies!

Sandor Szabo

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2 C/2015 O1, C/2016 R2, C/2017 O1, C/2017 T1, 24P, 62P, 174P, 185P ( D

Sat Jan 20, 2018 11:23 am (PST) . Posted by:

"Juan Jose Gonzalez" jjgsgp

C/2015 O1 (PANSTARRS):
-2018 Jan. 18.21 UT: m1=12.8, Dia.=1.2', DC=5, 20 cm SCT (133x).
[ Sidgwick method. APASS comparison stars. SQM : 21.3.
Central condensation, m2=14.2: (APASS). Field stars checked in DSS.].

C/2016 R2 (PANSTARRS):
-2017 Dec. 20.13 UT: m1=10.2, Dia.=5', DC=2/, 20 cm SCT (77x).
[ Sidgwick method. Tycho-2 comparison stars. SQM : 21.3.
It is difficult to separate the contribution of the inner
ion tail from that of the coma to the total magnitude m1.].
-2018 Jan. 8.92 UT: m1=10.0, Dia.=5', DC=2, 20 cm SCT (77x). [ SQM : 21.2.].
-2018 Jan. 17.92 UT: m1=10.0, Dia.=5', DC=2/, 20 cm SCT (77x). [ SQM : 21.2.].

C/2017 O1 (ASASSN):
-2018 Jan. 17.83 UT: m1=11.5, Dia.=3', DC=2, 20 cm SCT (100x).
[ Sidgwick method. APASS comparison stars. SQM : 21.1.].

C/2017 T1 (Heinze):
-2017 Dec. 20.15 UT: m1=11.1, Dia.=4', DC=2, 20 cm SCT (100x).
[ Sidgwick method. APASS comparison stars. SQM : 21.4.].
-2018 Jan. 8.87 UT: m1=10.2, Dia.=4', DC=2/, Tail: 0.2 deg. in PA 90 deg,
20 cm SCT (77x). [ Tycho-2 comparison stars. SQM : 21.1. Rapid motion obvious.].
-2018 Jan. 17.85 UT: m1=10.1, Dia.=4', DC=2/, 20 cm SCT (77x). [ SQM : 21.1.].

24P/Schaumasse:
-2017 Dec. 20.20 UT: m1=10.0, Dia.=4', DC=2, 20 cm SCT (100x).
[ Sidgwick method. Tycho-2 comparison stars. SQM : 21.1.].
-2018 Jan. 18.25 UT: m1=11.2, Dia.=4', DC=1, 20 cm SCT (100x).
[ APASS comparison stars. SQM : 21.2.].

62P/Tsuchinshan:
2017 Dec. 20.16 UT: m1=9.7, Dia.=6', DC=2, 20 cm SCT (77x).
[ Sidgwick method. Tycho-2 comparison stars. SQM : 21.3.].
2018 Jan. 18.18 UT: m1=10.7, Dia.=5', DC=1/, 20 cm SCT (77x).
[ SQM : 21.3.].

174P/Echeclus:
2017 Dec. 19.86 UT: m1=13.2, Dia.=0.8', DC=5, 20 cm SCT (133x).
[ Sidgwick method. APASS comparison stars. SQM : 21.4. Post-outburst.
Possible faint and diffuse outer coma. Field stars checked in DSS.].

185P/Petriew:
2018 Jan. 17.81 UT: m1=10.7, Dia.=2.5', DC=3, 20 cm SCT (100x).
[ Sidgwick method. Tycho-2 comparison stars. SQM : 20.8. Motion checked
over a 30-min period. Field stars checked in DSS. Altitude: 16 deg.
Zodiacal light. Mountain location, very clear sky down to the horizon.].

----------------------------------------------------------

Dec. 19 - 20 : Puerto de Aralla, Alt. 1530 m, Mountain location, very clear sky. SQM 21.4 at zenith.
( Alt. 1530 m, 42º 54' N, 5º 48' W ).

Jan. 8: Valdespino Cerón, Alt. 830 m, Rural location, very clear sky. SQM 21.2 (z).
( Alt. 830 m, 42º 15' N, 5º 22' W ).

Jan. 17: Puerto de Aralla, Alt. 1350 m, very clear sky. SQM 21.2 (z).

Jan. 18: Puerto de Aralla, Alt. 1530 m, very clear sky. SQM 21.5 (z).

----------------------------------------------------------

ICQ Format :

2015O1 2018 01 18.21 S 12.8 AQ 20.3T101331.2 5 ICQ XX GON05

2016R2 2017 12 20.13 S 10.2 TK 20.3T10 77 5 2/ ICQ
XX GON05

2016R2 2018 01 08.92 S 10.0 TK 20.3T10 77 5 2 ICQ XX
GON05

2016R2 2018 01 17.92 S 10.0 TK 20.3T10 77 5 2/ ICQ
XX GON05

2017O1 2018 01 17.83 S 11.5 AQ 20.3T10100 3 2 ICQ XX GON05

2017T1 2017 12 20.15 S 11.1 AQ 20.3T10 100 4 2 ICQ
XX GON05

2017T1 2018 01 08.87 S 10.2 TK 20.3T10 77 4 2/ 0.2 90 ICQ
XX GON05

2017T1 2018 01 17.85 S 10.1 TK 20.3T10 77 4 2/ ICQ
XX GON05

24 2017 12 20.20 S 10.0 TK 20.3T10100 4 2 ICQ XX GON05

24 2018 01 18.25 S 11.2 AQ 20.3T10100 4 1 ICQ
XX GON05

62 2017 12 20.16 S 9.7 TK 20.3T10 77 6 2 ICQ
XX GON05

62 2018 01 18.18 S10.7 TK 20.3T10 77 5 1/ ICQ
XX GON05

174 2017 12 19.86 S 13.2 AQ 20.3T10 133 0.8 5 ICQ XX
GON05

185 201801 17.81 S 10.7 TK 20.3T101002.5 3 ICQ XX GON05

----------------------------------------------------------

J. J. Gonzalez

----------------------------------------------------------

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Good Clear Skies

Astrocomet

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/

Sunday 14 January 2018

Fwd: [CometObs] Digest Number 3370

Comet Observations Group

1 Message

Digest #3370

Comet Observations 13th January 2018 by "Bomber2 Panther" outbackmanyep

Message

1 Comet Observations 13th January 2018

Sat Jan 13, 2018 5:00 pm (PST) . Posted by:

"Bomber2 Panther" outbackmanyep

Comet Observations 13th January 2018

62P/ Tsuchinshan
2018 Jan 13.67 UT; m1= 11.8; Dia= 2'; DC= 2; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma very diffuse, slight brightening to centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

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Astrocomet

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

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

Saturday 13 January 2018

Fwd: [CometObs] Digest Number 3369

Comet Observations Group

1 Message

Digest #3369

Comet Observations 12th January 2018 by "Bomber2 Panther" outbackmanyep

Message

1 Comet Observations 12th January 2018

Fri Jan 12, 2018 3:54 am (PST) . Posted by:

"Bomber2 Panther" outbackmanyep

Comet Observations 12th January 2018

C/2016 R2 PanSTARRS
2018 Jan 12.43 UT; m1= 11.0; Dia= 4.8'; DC= 3; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, slight brightening to centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

C/2017 K6 Jacques
2018 Jan 12.44 UT; m1= 13.7; Dia= 0.8'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma appears as a hazy patch with slight brightening to centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

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Astrocomet

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

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

Monday 8 January 2018

Fwd: [CometObs] Digest Number 3367

Comet Observations Group

1 Message

Digest #3367

1.1

Comet observations by neilnorman27

Message

1.1 Comet observations

Sun Jan 7, 2018 12:43 pm (PST) . Posted by:

neilnorman27

Hello all.

Visual comet observations 7th,January,2018. 18.15-18.45 UT. 11.4L, f/6, X45.

C/2016 R2 (PanSTARRS).

m1=10.5,Dia=4',DC=3.

C/2017 O1 (ASASSN)

m1=10.0, Dia=2',DC=2.

C/2017 T1 (HEINZE)

m1=9.4,Dia=2.5',DC=3.

Neil Norman. FRAS.
Ipswich,England.

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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

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

Thursday 4 January 2018

Fwd: [CometObs] Digest Number 3364

Comet Observations Group

1 Message

Digest #3364

1.1

Comet observations by neilnorman27

Message

1.1 Comet observations

Wed Jan 3, 2018 12:32 pm (PST) . Posted by:

neilnorman27

Hello all.
Visual comet observations, January 3rd,2018. 18.30 UT. 11.4L, f/6 x45

C/2017 T1 (Heinze)

m1=9.9, Dia=3', DC=4. Appears elongated in P.A 177 degrees.

C/2016 R2 (PanSTARRS)

m1=10.7, Dia=1.5', DC=2.

Neil Norman FRAS.
Ipswich,England.

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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

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

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