Címke: <span>astronomy</span>

Messier 17, Swan Nebula in Sagittarius – Dr Johannes Schilling

Messier 17, Swan Nebula in Sagittarius 6m, 11′ Observed and sketched for several nights in 2008, altogether 8 hours Instrument: 406mm Newton, 148X without filter Location: Ettlenschieß, Swabian Mountains, Germany Observer: Dr. Johannes Schilling, Baindt, Germany

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

AR2645 – 29.03.2017. – Tamás Bognár

  Also known as: Sunspot AR 2645 Date/time: 2017.03.29 . UT 09:08 Equipment: 150/750 Newton + 3x Barlow + Baader Solar Filter ND5 Seeing: 5-8/10 Transparency: 2-3/5 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 – 29.03.2017 – Tamás Bognár

Also known as: Sunspot AR 2644 Date/time: 2017.03.29 . UT 08:58 Equipment: 150/750 Newton + 3x Barlow + Baader Solar Filter ND5 Seeing: 5-8/10 Transparency: 2-3/5 Temperature: 20°C Humidity: – Wind: medium Location: Canis Maior Solar Observatory, Nagykanizsa , Hungary N46° 27′ 13.81″  E16° 59′ 05.57″ Observer: Bognár Tamás