The Pinwheel Galaxy With Dithering and an LPR (ZWO mono)
Tonight I went after M101 (the Pinwheel galaxy) and used an LPR filter (in place of my luminance) and also dithered for the first time. Setting up 'dither' in Sequence Generator Pro was easy and I like the results. I will have to capture RGB data on another night. Here is more info:
Imaging Telescope: Celestron NexStar 8SE SCT (1260mm focal length, f/6.3 reducer)
Mount: Celestron CGX
Polar Alignment: QHYCCD PoleMaster
Imaging Camera: ZWO ASI 1600MM-Cool (mono)
Filters: LPR=122x120s (Gain 0, Offset 10)
Total exposure time: 4 hours and 4 minutes
Guide scope: Orion ED80T CF Triplet
Guide Camera: Lodestar X2
Guide Software: PHD2
Darks: 25, Bias: 50, Flats: 20 (for each filter (ADU: 7,000)
Capture software: Sequence Generator Pro
Stacking software: PixInsight
Post Processing: PixInsight, Photoshop
Dew Shield, Dew Heater Strip
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