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Thursday, 12 October 2017

Fwd: [CometObs] Digest Number 3325

1 Message

Digest #3325
1a
C/2017 O1. by "Juan Jose Gonzalez" jjgsgp

Message

Tue Oct 10, 2017 11:05 pm (PDT) . Posted by:

"Juan Jose Gonzalez" jjgsgp

C/2017 O1 (ASASSN):
2017 Oct. 10.90 UT: m1=8.3, Dia.=7', DC=3, 25x100B.
[ Sidgwick method. Tycho-2 comparison stars. SQM : 21.0.].

( Puerto de Aralla, Leon, Spain; Alt. 1490 m, 42º 54' N, 5º 48' W;
Mountain location, very clear sky. SQM 21.2 at zenith.).

----------------------------------------------------------
ICQ Format :

2017O1 2017 10 10.90 S 8.3 TK10.0B 25 7 3 ICQ
XX GON05

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

J. J. Gonzalez

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




--
Good Clear Skies
--
Astrocomet
--
Colin James Watling
--
Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
--
--
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/

Monday, 9 October 2017

Fwd: [CometObs] Digest Number 3324

2 Messages

Digest #3324

Messages

Sat Oct 7, 2017 3:23 am (PDT) . Posted by:

"Juan Jose Gonzalez" jjgsgp

24P/Schaumasse:
2017 Oct. 3.15 UT: m1=10.9, Dia.=4', DC=2/, 20 cm SCT (100x).
[ Obvious motion checked over a 15-min period. Field stars
checked in DSS. Altitude: 24 deg. Zodiacal light.
Sidgwick method. Tycho-2 comparison stars. SQM : 21.0.].

C/2016 R2 (PANSTARRS):
2017 Oct. 3.20 UT: m1=13.2, Dia.=1.1', DC=3, 20 cm SCT (133x).
[ Field stars checked in DSS. Sidgwick method.
APASS comparison stars. SQM : 21.0.].

C/2017 O1 (ASASSN):
2017 Oct. 3.19 UT: m1=8.1, Dia.=11', DC=3, 0x50B.
[ Sidgwick method. Tycho-2 comparison stars. SQM : 21.2.].

( Puerto de Aralla, Leon, Spain; Alt. 1530 m, 42º 54' N, 5º 48' W;
Mountain location, very clear sky. SQM 21.2 at zenith.).

----------------------------------------------------------
ICQ Format :

24 2017 10 03.15 S 10.9 TK 20.3T10 100 4 2/ ICQ
XXGON05

2016R2 2017 10 03.20 S13.2 AQ 20.3T10 133 1.1 3 ICQ XX GON05

2017O1 2017 10 03.19 S 8.1 TK 5.0B 10 11 3 ICQ XXGON05

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

J. J. Gonzalez

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

Sat Oct 7, 2017 3:44 am (PDT) . Posted by:

"Juan Jose Gonzalez" jjgsgp

Oviously, it should read :

24P/Schaumasse, C/2016 R2, C/2017 O1.




--
Good Clear Skies
--
Astrocomet
--
Colin James Watling
--
Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
--
--
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/

Charts-info Astrosite Groningen (October 8, 2017)

Dear comet observers,

We have prepared the following new charts:

C/2017 O1 (ASASSN) :

- two 6x8 degrees charts for the period 10 - 20 October 2017

These are now available in the charts section of our homepage at:
http://www.shopplaza.nl/astro

Reinder Bouma/Edwin van Dijk

--
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/

Tuesday, 26 September 2017

Fwd: [CometObs] Digest Number 3320

1 Message

Digest #3320
1
C/2017 O1. by "Juan Jose Gonzalez" jjgsgp

Message

Mon Sep 25, 2017 2:29 am (PDT) . Posted by:

"Juan Jose Gonzalez" jjgsgp

C/2017 O1 (ASASSN):
2017 Sep. 25.01 UT: m1=8.3, Dia.=10', DC=3, 10x50B.
[ In 25x100B : m1=8.5, Dia.=9', DC=2/.
The visual lightcurve seems to show a slowdown in the recent weeks.
Sidgwick method. Tycho-2 comparison stars. SQM : 21.2.].

( Puerto de Aralla, Leon, Spain; Alt. 1490 m, 42º 54' N, 5º 48' W.
Mountain location, very clear sky. SQM 21.3 at zenith.).

----------------------------------------------------------
ICQ Format :

2017O1 2017 09 25.00 S 8.5 TK 10.0B 25 9 2/ ICQ XX GON05

2017O1 2017 09 25.01 S 8.3 TK 5.0B 10 10 3 ICQ XX GON05

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

J. J. Gonzalez

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




--
Good Clear Skies
--
Astrocomet
--
Colin James Watling
--
Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
--
--
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/

Monday, 25 September 2017

Fwd: [CometObs] Digest Number 3319

3 Messages

Digest #3319
1.1
OBS-V by "Castell.Nova" szasa0
2
Comet Observations 21st September 2017 by "Bomber2 Panther" outbackmanyep
3
Comet Observations 22nd September 2017 by "Bomber2 Panther" outbackmanyep

Messages

Sat Sep 23, 2017 11:44 am (PDT) . Posted by:

"Castell.Nova" szasa0

Hello to the Group,

some visual observation from last night. Unfortunately before midnight some local clouds appeared and ceased observation.

29P/Schwassmann-Wachmann
2017 Sep 22.86 UT: m1=13.7, Dia.=0.9', DC=1, 60 cm reflector (305x)
Very diffuse comet.

C/2015 O1 (PanSTARRS)
2017 Sep 22.79 UT: m1=14.2, Dia.=0.3', DC=5, 60 cm reflector (244x)

C/2016 M1 (PanSTARRS)

2017 Sep 22.82 UT: m1=14.5, Dia.=0.5', DC=5, 60 cm reflector (305x)

C/2016 N4 (MASTER)
2017 Sep 22.84 UT: m1=15.7, Dia.=0.4', DC=2, 60 cm reflector (305x)
A 16.5 mag starlike nucleus is seen. Motion was checked during 20 minutes.

C/2016 N6 (PanSTARRS)

2017 Sep 22.80 UT: m1=13.7, Dia.=0.7', DC=3, 60 cm reflector (244x)

Sandor Szabo

Sun Sep 24, 2017 3:53 am (PDT) . Posted by:

"Bomber2 Panther" outbackmanyep

240P/ NEAT
2017 Sep 21.72 UT; m1= 14.2; Dia= 0.7'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Difficult, visible in periods of good seeing. Diffuse coma.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

C/2017 O1 ASASSN
2017 Sep 21.73 UT; m1= 9.5; Dia= 11.4'; DC= 3/4; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Outer coma semi-transparent, inner coma opaque and moderately condensed.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK

C/2016 R2 PanSTARRS
2017 Sep 21.75 UT; m1= 13.8; Dia= 0.9'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Outer coma diffuse, slight brightening to centre. Does not enhance in Swan Band filter.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

217P/ LINEAR
2017 Sep 21.76 UT; m1= 13.9; Dia= 0.8'; DC= 3; 25cm L, f:5 (x166) [Chris Wyatt, Walcha, NSW, Australia]
Visible in periods of good seeing, difficult, close to stars.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

Sun Sep 24, 2017 3:55 am (PDT) . Posted by:

"Bomber2 Panther" outbackmanyep

Comet Observations 22nd September 2017

71P/ Clark
2017 Sep 22.45 UT; m1= 12.2; Dia= 1.9'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Busy star field, difficult.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

29P/ Schwassmann-Wachmann 1
2017 Sep 22.46 UT; m1= 11.9; Dia= 3'; DC= 2/3; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, weakly condensed opaque centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

C/2015 V2 Johnson
2017 Sep 22.47 UT; m1= 10.9; Dia= 3.9'; DC= 2; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, slight interference by background star in coma.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ




--
Good Clear Skies
--
Astrocomet
--
Colin James Watling
--
Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
--
--
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/
--

Wednesday, 20 September 2017

Fwd: [CometObs] Digest Number 3315

1 Message

Digest #3315
1
Comet Observations 15th September 2017 by "Bomber2 Panther" outbackmanyep

Message

Sun Sep 17, 2017 8:56 pm (PDT) . Posted by:

"Bomber2 Panther" outbackmanyep

Comet Observations 15th September 2017

C/2015 V2 Johnson
2017 Sep 15.41 UT; m1= 11.0: ; Dia= 2.4'; DC= 3; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Magnitude uncertain; close to bright star pairing, difficult to separate from stars. Coma diffuse with opaque centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

71P/ Clark
2017 Sep 15.42 UT; m1= 12.5; Dia= 1.2'; DC= 2/3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma very diffuse.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

29P/ Schwassmann-Wachmann 1
2017 Sep 15.44 UT; m1= 11.7; Dia= 2.5'; DC= 3; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Outer coma diffuse, opaque centre. Does not enhance in Swan Band filter.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

240P/ NEAT
2017 Sep 15.46 UT; m1= 14.0; Dia= 1'; DC= 3; 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




--
Good Clear Skies
--
Astrocomet
--
Colin James Watling
--
Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
--
--
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, 17 September 2017

Fwd: [CometObs] Digest Number 3313

1 Message

Digest #3313
1
OBS-V : 29P/ SW-1 by cometas71

Message

Thu Sep 14, 2017 5:29 am (PDT) . Posted by:

cometas71

Hi all :

2017 Sept. 13.89 UT : m1=12.5 (S) , dia=2.0' , DC=6 , x97 , L-30.5 cms. F/5 ........ J.P.Navarro Pina ( Campos del Rio , Murcia , Spain )




Regards , J.P.Navarro .



--
Good Clear Skies
--
Astrocomet
--
Colin James Watling
--
Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
--
--
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 3314

1 Message

Digest #3314
1
29P, C/2017 O1. by "Juan Jose Gonzalez" jjgsgp

Message

Sat Sep 16, 2017 4:27 am (PDT) . Posted by:

"Juan Jose Gonzalez" jjgsgp

C/2017 O1 (ASASSN):
2017 Sep. 16.01 UT: m1=8.2, Dia.=9', DC=3, 10x50B.
[ In 25x100B : m1=8.3, Dia.=9', DC=2/.
Sidgwick method. Tycho-2 comparison stars. SQM : 21.3.].

29P/Schwassmann-Wachmann:
2017 Sep. 15.87 UT: m1=11.5, Dia.=2.0', DC=4, 20 cm SCT (100x).
[ In evolution after the recent outbursts. Starlike central
condensation, m2=14.0: (AQ). Brighter inner coma diameter : 2.0',
providing m=11.5 (AQ). Faint and diffuse outer coma diameter : 3'.5,
providing m=10.3: (TK), remnant of previous outbursts. Sidgwick method.
Field stars checked in DSS. Altitude: 32 deg. SQM : 21.1.].

( Cruce de Aralla - Embalse de Barrios de Luna, Leon, Spain;
Alt. 1110 m, 42º 54' N, 5º 52' W.
Mountain location, very clear sky. SQM 21.4 at zenith.).

----------------------------------------------------------
ICQ Format :

2017O1 2017 09 16.00 S 8.3 TK 10.0B 25 9 2/ ICQ XX GON05

2017O1 2017 09 16.01 S 8.2 TK 5.0B 10 9 3 ICQ XX GON05

29 2017 09 15.87 S 11.5 AQ 20.3T10 100 2.0 4 ICQ XX GON05

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

J. J. Gonzalez

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




--
Good Clear Skies
--
Astrocomet
--
Colin James Watling
--
Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
--
--
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/