Mars - 2014.05.01. - Bognár Tamás, Zákány
Mars – 2014.05.01. – Bognár Tamás, Zákány

Also known as:  Mars
Date/time: 2014.05.01. UT 20:11
Equipment: 235/1280 Dobson – OptiScope
Magnification and filter(s): 256 + apodizing mask
Seeing: 8/10
Transparency: 4/5
Temperature: 16°C
Humidity: –
Wind: –
Location: Zákány, Hungary N46°14′ 59,2″ E16°57′ 15,3″
Observer: Bognár Tamás

Media: white paper + HB graphite, charcoal pencil,  blending stump + color pencil

Previous Mars sketch

Mars – 2014.04.22. - Bognár Tamás, Zákány
Mars – 2014.04.22. – Bognár Tamás, Zákány

Also known as:  Mars
Date/time: 2014.04.22. UT 19:50
Equipment: 235/1280 Dobson – OptiScope
Magnification and filter(s): 256 + apodizing mask
Seeing: 6/10
Transparency: 2-4/5
Temperature: 17°C
Humidity: low
Wind: –
Location: Zákány, Hungary N46°14′ 59,2″ E16°57′ 15,3″
Observer: Bognár Tamás

Media: white paper + HB graphite, charcoal pencil,  blending stump

Previous Mars sketch

Mars - 2014.04.12. - Bognár Tamás, Zákány
Mars – 2014.04.12. – Bognár Tamás, Zákány

Also known as:  Mars
Date/time: 2014.04.12. UT 19:20
Equipment: 120/1000 Newton , AZ Mount
Magnification and filter(s): 251x
Seeing: 8/10
Transparency: 2-4/5
Temperature: 15°C
Humidity: low
Wind: –
Location: Zákány, Hungary N46°14′ 59,2″ E16°57′ 15,3″
Observer: Bognár Tamás

Media: white paper + HB graphite, charcoal pencil,  blending stump

 

2014.03.17. H-alpha Sun sketch - Bognár Tamás
2014.03.17. H-alpha Sun sketch – Bognár Tamás

Also known as: Sun H-alpha
Date/time: 2014.03.17   09:50 – 11:10UT
Equipment: mod. 70/700 Coronado PST
Seeing: 8/10
Transparency: 2-4/5
Temperature: 20°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

 

Protuberance - 2014.03.11. - Bognár Tamás
Protuberance – 2014.03.11. – Bognár Tamás

Also known as: Sun ,H-alpha protuberance
Date/time: 2014.03.11   10:18 – 10:53UT
Equipment: mod. 70/700 Coronado PST
Seeing: 7/10
Transparency: 2-4/5
Temperature: 15°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