An exposure of the Christmas Tree Cluster is guided into oblivion when the ST-4 autoguider loses the star
An exposure of the Christmas Tree Cluster is guided into oblivion when the ST-4 autoguider loses the star
Guiding Error
When you want to see the stars, find someplace dark
An exposure of the Christmas Tree Cluster is guided into oblivion when the ST-4 autoguider loses the star
An exposure of the Christmas Tree Cluster is guided into oblivion when the ST-4 autoguider loses the star