Posted on February 11th, 2009.
Meade ETX 90
I took advantage of the fair weather and clear sky Tuesday night to make an attempt at getting some pictures of the full moon with my new Nikon D90 and Meade ETX 90 telescope. Due to the scope’s enormous focal length – 1250mm – I am able to get some very clear, detailed shots of the moon – if I can keep the camera shake under control. Unfortunately, all of these images are blurry.
I used a timer to reduce shake; however, at the time I wasn’t aware of the ability to add a delay to the mirror. The D90 does not have the option to lock the mirror up prior to exposure, and even the little movement of the mirror can cause shake on such a large lens. Turning on the delay causes the camera to wait 1 second after the mirror moves before making the exposure.
Continue reading: To the moon!
