6.Find a suitable guide star in the telescope eyepiece field of view. This is relatively easy since you can search a wide area without affecting the area covered by your camera lens. If you do not have an illuminated cross hair eyepiece for guiding, simply defocus your guide star until it fills most of the field of view. This makes it easy to detect any drift.
7.Release the shutter using a cable release.
8.Monitor your guide star for the duration of the exposure making the neccessary corrections needed to keep the star centered.
Short Exposure Prime Focus Photography
Short exposure prime focus photography is the best way to begin recording celestial objects. It is done with the camera attached to the telescope without an eyepiece or camera lens in place. To attach your camera, you need the
1Remove the eyepiece from the 1 1/4" eyepiece holder.
2Unthread the 1 1/4" eyepiece holder from the focuser assembly. This will expose the male thread of the built- in
3Thread the
4Mount your camera body onto the
With your camera attached to the telescope, you are ready for prime focus photography. Start with an easy object like the Moon. Here’s how to do it:
1.Load your camera with film that has a
•
•
•Any 100 to 400 ISO color slide film
•Fuji Super HG 400
2.Center the Moon in the field of your telescope.
3.Focus the telescope by turning the focus knob until the image is sharp.
4.Set the shutter speed to the appropriate setting (see table
5.Trip the shutter using a cable release.
6.Advance the film and repeat the process.
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