Newton Tuning

Die aktuelle Schlechtwetterperiode habe ich genutzt, um den 12″ Newton zu „tunen“ und dabei hoffentlich ein paar Probleme zu beseitigen. Hier wackelt was Das Hauptproblem war Hysterese, also nicht nachvollziehbares „Wackeln“ irgendeines Teils – im Bereich von 0,1 mm (!). Da die Basis für den Okularauszug standardmässig nur 2 winzige Madenschrauben – die noch dazu…

Filter confusion

After doing some maintenance in my backyard observatory (collimation etc.) I noticed a confusion… my Ha filter was not in the filter wheel, but in it’s case 😉 Now it’s corrected. Here is a short comparison between IDAS V4 (confused with Ha) and the „real“ H-Alpha 13nm. Same exposure duration and background  adjusted to same…

CCDAutoPilot results

Last night the first unattended multi-target session test was successfully run with CCD AutoPilot 5. There is still coma in the edges due to mis-collimation and the angle of the CCD is not exactly 45° Polar alignment also needs some adjustments, also the colors are not calibrated and the flats are not very good. Nevertheless,…