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Tuesday 24 October 2017

Fwd: [CometObs] Digest Number 3330

1 Message

Digest #3330

Message

Mon Oct 23, 2017 1:49 pm (PDT) . Posted by:

"Juan Jose Gonzalez" jjgsgp

24P/Schaumasse:
2017 Oct. 23.20 UT: m1=10.6, Dia.=4', DC=3, 20 cm SCT (100x).
[ Altitude: 33 deg. Zodiacal light. Sidgwick method.
Tycho-2 comparison stars. SQM : 20.9.].

29P/Schwassmann-Wachmann:
2017 Oct. 22.88 UT: m1=11.5, Dia.=2', DC=2/, 20 cm SCT (100x).
[ Brighter inner coma diameter : 2', providing m=11.5 (AQ).
Faint and diffuse outer coma diameter : 4', providing m=10.3: (TK),
remnant of previous outbursts. Sidgwick method. Field stars checked
in DSS. Altitude: 29 deg. SQM : 21.0.].

62P/Tsuchinshan:
2017 Oct. 23.22 UT: m1=10.2, Dia.=5', DC=2, 20 cm SCT (100x).
[ Significantly brighter than expected. Altitude: 46 deg.
Zodiacal light. Sidgwick method. Tycho-2 comparison stars. SQM : 20.9.].

C/2017 O1 (ASASSN):
2017 Oct. 22.90 UT: m1=8.3, Dia.=8', DC=2/, 25x100B.
[ Sidgwick method. Tycho-2 comparison stars. SQM : 21.2.].

( Alto del Castro - Aralla, Leon, Spain; Alt. 1720 m, 42º 54' N, 5º 48' W;
Mountain location, very clear sky. SQM 21.2 at zenith.).

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

24 2017 10 23.20 S 10.6 TK 20.3T10 100 4 3 ICQ XX GON05

29 2017 10 22.88 S 11.5 AQ 20.3T10 100 2 2/ ICQ
XX GON05

62 2017 10 23.22 S 10.2 TK 20.3T10 100 5 2 ICQ XX GON05

2017O1 2017 10 22.90 S 8.3 TK 10.0B 25 8 2/ 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/
Posted by at No comments:

Saturday 21 October 2017

Fwd: [CometObs] Digest Number 3329

1 Message

Digest #3329
1
Comet Observations 19th October 2017 by "Bomber2 Panther" outbackmanyep

Message

Thu Oct 19, 2017 9:05 pm (PDT) . Posted by:

"Bomber2 Panther" outbackmanyep

Comet Observations 19th October 2017

C/2015 V2 Johnson
2017 Oct 19.45 UT; m1= 12.2; Dia= 1.7'; DC= 2; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, slight brightening to centre but very weak.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

71P/ Clark
2017 Oct 19.45 UT; m1= 13.1; Dia= 1.5'; DC= 2/3; 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

29P/ Schwassmann – Wachmann 1
2017 Oct 19.46 UT; m1= 12.0; Dia= 3.7'; DC= 1; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma very diffuse, appears as a misty patch just above sky background threshold. Just visible at x39 so coma diameter may even be slightly larger.
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/
Posted by at No comments:

Wednesday 18 October 2017

Charts-info Astrosite Groningen (October 17, 2017)

Dear comet observers,

We have prepared the following new charts:

C/2017 O1 (ASASSN) :

- two 6x8 degrees charts for the period 20 - 30 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/
Posted by at No comments:

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/
Posted by at No comments:

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.

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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)
--
--
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/
Posted by at No comments:

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/
Posted by at No comments:
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