Comet Reports....

C2017 T2, C2018 N2, C2018 W2, 29P, 260P - 2 Aug. 2019.

Sat Aug 3, 2019 3:33 am (PDT) . Posted by:

"jjgonzalez jjgonzalez" jjgsgp

C/2017 T2 (PANSTARRS):

2019 Aug. 02.15 UT: m1=8.7, Dia.=7', DC=2, 25x100B.

[ In 20 cm SCT (77x): m1=8.9. Astronomical twilight.

Altitude: 23°. Sidgwick method. Tycho-2 comparison stars.

SQM: 21.0.].


C/2018 N2 (ASASSN):

2019 Aug. 02.10 UT: m1=11.7, Dia.=1.5', DC=4, 20 cm SCT (133x).

[ Sidgwick method. Tycho-2 comparison stars. SQM: 21.2.].


C/2018 W2 (Africano):

2019 Aug. 02.11 UT: m1=10.3, Dia.=4', DC=2/, 20 cm SCT (77x).

[ Sidgwick method. Tycho-2 comparison stars. SQM: 21.3.].


29P/Schwassmann-Wachmann:

2019 Aug. 02.03 UT: m1=12.2, Dia.=1.5', DC=3, 20 cm SCT (133x).

[ Brighter inner coma diameter 1.5', providing m=12.2.

Faint and diffuse outer coma diameter 4', remnant of previous outbursts..

Nearby field stars checked in DSS. Mountain location, very clear sky.

Sidgwick method. APASS comparison stars. SQM: 21.3.].


260P/McNaught:

2019 Aug. 02.07 UT: m1=11.7, Dia.=1.3', DC=4/, 20 cm SCT (133x).

[ Sidgwick method. APASS comparison stars. SQM: 21.2.].


( Alto del Castro, Leon, Spain, 42º 55' N, 5º 48' W, alt. 1720 m;

SQM 21.5 at zenith

--
Good Clear Skies
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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)
--
Real Astronomer and head of the Comet section for K.A.G (Kessingland
Astronomy Group) and Navigator (Astrogator) of the Stars (Fieldwork)