If you use the SkyGuider Pro portable star tracker from iOptron, you probably know it can be a little difficult and uncomfortable to polar align by using the included polar scope, as it ideally requires either a tall tripod in order to see through the polar finder comfortably, or you
Attaching ZWO cameras to a Celestron RASA 11″ using the Baader UFC system
With a dedicated astrograph like the Celestron RASA, the camera is mounted to the front of the telescope. Imaging at such fast speeds (f/2.2 with the RASA 11″) requires the camera be positioned at the optimal back-focus distance, otherwise the stars won’t be consistently focused across the entire image. In
Optolong L-eNhance Filter review: narrowband imaging with a RASA 11″
I took delivery of an interesting filter this past weekend – the newly released L-eNhance dual-band pass filter by Optolong, which I pre-ordered a few weeks prior in 2″ mounted format. In this post, I’ll share some details of this new filter, show some comparison shots between the L-eNhance and