H-alpha Sun - 2014.02.28 - Bognár Tamás
H-alpha Sun – 2014.02.28 – Bognár Tamás

Also known as: Sun H-alpha
Date/time: 2014.02.28   10:00 – 11:00UT
Equipment: mod. 70/700 Coronado PST
Seeing: 7/10
Transparency: 3/5
Temperature: 12°C
Humidity: –
Wind: low
Location: Canis Maior Solar Observatory,
Nagykanizsa , Hungary N46° 27′ 13.81″  E16° 59′ 05.57″
Observer: Bognár Tamás

Media: white paper, H, HB, 2B pencil

 

H-alpha Sun - 2013.06.20 - Bognár Tamás, Nagykanizsa - CMA Solar
H-alpha Sun – 2013.06.20 – Bognár Tamás, Nagykanizsa – CMA Solar

 

Also known as: Sun H-alpha
Date/time: 2013.06.20   08:00 – 09:00UT
Equipment: mod. 70/700 Coronado PST
Seeing: 5/10
Transparency: 3/5
Temperature: 40°C
Humidity: –
Wind: l-
Location: Canis Maior Solar Observatory,
Nagykanizsa , Hungary N46° 27′ 13.81″  E16° 59′ 05.57″
Observer: Bognár Tamás

Media: white paper, H, HB, 2B pencil

Halpha Sun - 2013.05.13. -  Bognár Tamás, Zákány
Halpha Sun – 2013.05.13. – Bognár Tamás, Zákány

 

Also known as: Sun H-alpha
Date/time: 2013.05.03   09:50 – 11:10UT
Equipment: mod. 70/700 Coronado PST
Seeing: 5/10
Transparency: 1-4/5
Temperature: 28°C
Humidity: –
Wind: low
Location: Canis Maior Solar Observatory,
Nagykanizsa , Hungary N46° 27′ 13.81″  E16° 59′ 05.57″
Observer: Bognár Tamás

Digital sketch made with GIMP 2.8 + Wacom Bamboo Fun, based on a raw pencil sketch.

 

H-alpha Sun - 2012.11.08. - Bognár Tamás, Zákány
H-alpha Sun – 2012.11.08. – Bognár Tamás, Zákány

Also known as: Sun H-alpha
Date/time: 2012.11.08   08:50 – 10:10UT
Equipment: mod. 70/700 Coronado PST
Seeing: 8/10
Transparency: 4/5
Temperature: 17°C
Humidity: low
Wind: low
Location: Canis Maior Solar Observatory,
Nagykanizsa , Hungary N46° 27′ 13.81″  E16° 59′ 05.57″
Observer: Bognár Tamás

Medium: white paper, 2H, HB, 2B graphite pencil

H-alpha Sun -2012.10.30. - Bognár Tamás, NAE CMA Observatory
H-alpha Sun -2012.10.30. – Bognár Tamás, NAE CMA Observatory

Also known as: Sun H-alpha
Date/time: 2012.10.30   09:30 – 09:50UT
Equipment: mod. 70/700 Coronado PST
Seeing: 5/10
Transparency: 2/5
Temperature: cold, early winter
Humidity: medium
Wind: low
Location: Canis Maior Solar Observatory,
Nagykanizsa , Hungary N46° 27′ 13.81″  E16° 59′ 05.57″
Observer: Bognár Tamás

Digital sketch made with GIMP Painter Studio, based on a raw pencil sketch.