|
Michael A. Stecker
|
|
|
|
Photographic data Mount guide settings: ZWO AM5 harmonic mount used with 60 mm f/4 (FL= 240 mm) SVBony guidescope. I got good, but variable guiding of total: 0.55” to 1.15”. Average total RMS guiding: 0.85” on a partly cloudy night of 4-14-2023 using: Calibrate step: 6,000 ms Dec duration: 4,000 ms RA duration: 3,000 ms Exposure time for guide scope: 1 (one) second Bin 1 for guide camera (Bin 2 turned off) Gain: 325 Aggression for both RA and Dec: 50% Auto Restore Calibration: on For the 60 mm f/4 (fl=240 mm) guide scope with ZWO ASI662MC guide camera use a gain of about 250 - 335 Stars look round for 60 second exposures of M13 and 180 second exposure of galaxy and test stars with average total guiding about 0.85” (range of total: 0.55 to 1.10" RMS) on a partly cloudy night . Telescope: Celestron EdgeHD 9.25-inch SCT at f/7 (FL=1,650 mm) with SVBony 60 mm f/4 guidescope (FL=240 mm) . Cameras: Main imaging: ZWO ASI533MC-Pro cooled color camera Guide camera: ZWO ASI662MC color planetary camera (2.97 micron pixels) . Exposure: 60 sec X 40 lights with calibration frames . Filter: Optolong L-Pro |
