Celestron Light Pollution Imaging Filter RASA 8 Black 93614. This is especially true when using very fast telescopes like the 8 RASA because the sky background saturates very quickly. The noise of the light pollution overwhelms the signal from the...
Celestron Light Pollution Imaging Filter RASA 8 Black 93614. This is especially true when using very fast telescopes like the 8 RASA because the sky background saturates very quickly. The noise of the light pollution overwhelms the signal from the...