Collimating the GSO RC12-A
There are some excellent resources to help with this task, many forums on IceInSpace and CloudyNights. Step 1 should be done in daylight - it's easier, the rest do not matter so much as long as you get the collimation close to spot on using a Takahashi collimating scope: http://www.dosborne-astroimages.co.uk/equip_image/collimation_article.htm The Takahashi Collimating Scope Coupled [...] Read More