Saturn with three moons:
From left to right: Rhea, Tethys, Dione, Saturn
Observed and sketched with my 254mm Newton, 361X
August, 21th, 2017
Observer: Dr. Johannes Schilling
Location: Baindt near Ravensburg
Category Archives: Solar System
H-alpha – AR2665 – 06.07.2017. – Tamás Bognár
Also known as: H-alpha Sunsot AR2656
Date/time: 2017.07.06 . UT 09:10
Equipment: mod. 70/700 Coronado PST
Seeing: 7-9/10
Transparency: 2-4/5
Temperature: 30°C
Humidity: –
Wind: medium
Location: Canis Maior Solar Observatory, Nagykanizsa , Hungary N46° 27′ 13.81″ E16° 59′ 05.57″
Observer: Bognár Tamás
Media: DMK 41AU02.AS (USB) + AutoStakkert! 2 + GIMP
Sun – 31.03.2017. – Bognár Tamás
Also known as: Sun
Date/time: 2017.03.31 . UT 08:09
Equipment: 50/550 refractor + Baader Solar Filter ND5
Seeing: 7-9/10
Transparency: 2-4/5
Temperature: 20°C
Humidity: –
Wind: medium
Location: Canis Maior Solar Observatory, Nagykanizsa , Hungary N46° 27′ 13.81″ E16° 59′ 05.57″
Observer: Bognár Tamás
Media: DMK 41AU02.AS (USB) + AutoStakkert! 2 + GIMP
AR2645 – 31.03.2017. – Tamás Bognár
Also known as: Sunspot AR 2645
Date/time: 2017.03.31 . UT 07:59
Equipment: 150/750 Newton + 3x Barlow + Baader Solar Filter ND5
Seeing: 7-9/10
Transparency: 2-4/5
Temperature: 20°C
Humidity: –
Wind: medium
Location: Canis Maior Solar Observatory, Nagykanizsa , Hungary N46° 27′ 13.81″ E16° 59′ 05.57″
Observer: Bognár Tamás
AR2644 – 31.03.2017 – Tamás Bognár
Also known as: Sunspot AR 2644
Date/time: 2017.03.31 . UT 08:09
Equipment: 150/750 Newton + 3x Barlow + Baader Solar Filter ND5
Seeing: 7-9/10
Transparency: 3-4/5
Temperature: 20°C
Humidity: –
Wind: medium
Location: Canis Maior Solar Observatory, Nagykanizsa , Hungary N46° 27′ 13.81″ E16° 59′ 05.57″
Observer: Bognár Tamás