This image was obtained by Albert van Duin from his backyard observatory in Beilen, The Netherlands on February 2, 2012.
It is a stack of 42 60s exposures taken between 4h55m and 5h40m UT through a 40-cm f/4 Newtonian reflector, equipped with a modified Canon 5D MkII camera.
This image was obtained by Albert van Duin from his backyard observatory in Beilen, The Netherlands on January 31, 2012.
It is a stack of 12 sets of 180s RGB exposures taken between 4h42m and 5h20m UT through a 40-cm f/4 Newtonian reflector,
equipped with a (cooled) QSI583wsg CCD camera.
This image was obtained by Albert van Duin from his backyard observatory in Beilen, The Netherlands on January 24, 2012.
It is a stack of 6 sets of 300s RGB exposures taken between 4h26m and 4h47m UT through a 40-cm f/4 Newtonian reflector,
equipped with a (cooled) QSI583wsg CCD camera.
This image was obtained by Albert van Duin from his backyard observatory in Beilen, The Netherlands on October 31 2011.
It is a stack of 6 sets of 180s RGB exposures taken between 17h34m and 18h32m UT through a 40-cm f/4 Newtonian reflector,
equipped with a (cooled) QSI583wsg CCD camera.
Note the faint 13th magnitude galaxy NGC 6408 near the left edge of the image.
This image was obtained by Albert van Duin from his backyard observatory in Beilen, The Netherlands on October 23 2011.
It is a stack of 4 sets of 300s RGB exposures taken between 17h45m and 18h47m UT through a 40-cm f/4 Newtonian reflector,
equipped with a (cooled) QSI583wsg CCD camera.
This image was obtained by Emiel Kempen from his backyard observatory in Hoogeveen, The Netherlands on October 18 2011.
It is a stack of 75 60s exposures taken between 18h17m and 19h36m UT through a 25.4-cm f/3 Newtonian reflector with a modified Canon 40D camera at ISO1600.
This image was obtained by Albert van Duin from his backyard observatory in Beilen, The Netherlands on October 16 2011.
It is a stack of a single set of 300s RGB exposures taken between 18h12m and 18h28m UT through a 40-cm f/4 Newtonian reflector + MPCC coma-corrector, equipped with a (cooled) QSI583wsg CCD camera.
This image was obtained by Albert van Duin from his backyard observatory in Beilen, The Netherlands on September 30 2011.
It is a stack of a single set of 300s RGB exposures taken between 19h28m and 19h43m UT through a 40-cm f/4 Newtonian reflector, equipped with a (cooled) QSI583wsg CCD camera.
This image was obtained by Albert van Duin from his backyard observatory in Beilen, The Netherlands on September 18 2011.
It is a stack of 2 sets of 180s RGB exposures taken between 20h34m and 20h54m UT through a 40-cm f/4 Newtonian reflector, equipped with a (cooled) QSI583wsg CCD camera.
This image was obtained by Albert van Duin from his backyard observatory in Beilen, The Netherlands on September 15 2011, in bright moonlight.
It is a stack of 10 60s exposures taken around 20h06m UT through a 40-cm f/4 Newtonian reflector, equipped with a (cooled) QSI583wsg CCD camera.
This image was obtained on the evening of 27 August, 2011 by Albert van Duin from his
backyard observatory in Beilen, The Netherlands.
It is the sum of 3 120s-exposures taken between 20h51m and 20h57m UT through a 40-cm f/4 reflector, equipped with a (cooled) QSI583wsg CCD camera.
This image of C/2009 P1 near M15 was obtained on the evening of 1 August, 2011 by Emiel Kempen from his
backyard observatory in Hoogeveen, The Netherlands.
It is the sum of 75 120s-exposures taken between 21h25m and 23h59m UT with a Canon 40D,
set at ISO1600, through a 15-cm f/5 Meade Schmidt-Newton telescope.