of Mercury and Venus
Sky: older pictures
Deep Sky: narrow band
Observatory at Home
Observatory in Heeze
Grandchamp August 2006
(per 5 June 2012)
by Arie Nagel, Netherlands
i.e. photography of the sun, moon, planets, stars, asteroïds and
comets. Also nebulae, within or outside our galaxy. After years of
practicing 'wet-photography', I started ccd-photography during fall
1997. The beauty of ccd-photography is that you have instant results.
Furthermore the results are digital, so they are ready for
computer-imaging. And in light-polluted areas, ccd-cameras can detect
weaker lights than would be the case with conventional cameras.
However, ccd-cameras are expensive. The larger the ccd-chip, the more
expensive. Therefore most people use cameras with a tiny chip. A
common camera is the ST-10 type of SBIG, which uses a chip of 10 x
15 mm. It is like photographing the heavens through a key-hole.
However, most objects are small and fit within this area when using an
Left: preparing for
the night. ST-8E camera on a 4" f/4 Newton.
The larger Newton is
an 8" f/4.5. The mount is carried by a wooden yoke
that is hanging at the roof. All home made, except for the camera.