THE SUN
Cobra Shaped Sunspot Group
Taken using 50mm f/16 refractor at positive projection, E.F.L.=5450mm f/109,
1/1000sec exposure with mylar filter Density 2.5 with orange filter on Agfachrome 100 Film
on February 8, 1989.
Giant Naked Eye Sunspot Group
Taken using 50mm f/16 refractor with positive projection, E.F.L.= 5450mm f//109,
1/1000 second exposure with mylar filter Density 2.5 and orange filter on Agfachrome 100
Film on March 10, 1989. This image can also be seen on page 34 of ASTRONOMY magazine
December 1997.
Giant Naked Eye Sunspot Group
Taken using 50mm f/16 refractor at positive projection, E.F.L.= 5450mm f/109,
1/1000 second exposure with mylar filter Density 2.5 with orange filter on Agfachrome 100
Film on March 16, 1989. Compare the size with the above photo which was taken 6 days ago
(March 10).
Sun Halo In Ulaan Batar
Taken using Canon FD 28mm f/2.8 wide-angle lens set at f/11 with exposure of 1/250
second on Fuji HG100 Film on March 10, 1997.
December 31, 1998 Solar Image
Image taken by James Kevin Ty using TV-101, 4" f/5.4 refractor using negative
projection with 2X BIG BARLOW, E.F.L.= 1760mm f/17 , with Thousand Oaks type 3+ (density
4.0) solar filter at 1/4000 sec exposure on Canon EOS 50E body with YKL 100 Film.
Close up shot of the Giant Sunspot Group
Image taken by James Kevin Ty using 4" f/5.4 TV-101 refractor, positive
projection with a Meade 15mm Plossl, E.F.L.= 4900mm f/49 at 1/250sec exposure exposure on
Canon EOS 50E body with YKL 100 Film on December 31, 1998.
Giant Sunspot Group SESC 9169 - biggest sunspot group in 9 years
!!!
Taken by James Kevin Ty using 4" f/5.4 TV-101 refractor, negative projection
with 2x Big Barlow . E.F.L.= 1760mm f/18 at 1/2000 sec exposure on September 24, 2000 with
Canon EOS 50E camera body on YKL 100 Film converted to grayscale.
