Slightly better seeing during some periods, and the C11 was well-collimated (using the tri-Bahtinov) and acclimatised. Imaging setup: Barlow 2x – XPRSS FilterWheel – Baader RGB IR filters – Esatto focusser – ASI290mm monochrome camera. Best details came out in infrared, which is a clear sign that seeing was still not good.
![](https://i0.wp.com/www.drogenberg.be/wp-content/uploads/2020/08/Mars-2020-08-29-C11-BRLW2X-ASI290MM-Baader-RGB-ID0236_4-JV-R_grad4_ap35.jpg?resize=525%2C467&ssl=1)
![](https://i0.wp.com/www.drogenberg.be/wp-content/uploads/2020/08/Mars-2020-08-29-C11-BRLW2X-ASI290MM-Baader-IR-ID0249_1-JV-IR_grad4_ap38_V2.jpg?resize=525%2C467&ssl=1)
![](https://i0.wp.com/www.drogenberg.be/wp-content/uploads/2020/08/Mars-2020-08-29-C11-BRLW2X-ASI290MM-Baader-IR-ID0249_1-JV-IR_grad4_ap38_V2-Annotated.jpg?resize=525%2C347&ssl=1)
![](https://i0.wp.com/www.drogenberg.be/wp-content/uploads/2020/08/Mars-2020-08-29-0241_2-JV-IR-20Pct-BLW2X-C11-ASI290MM-UT024316.jpg?resize=525%2C437&ssl=1)
![](https://i0.wp.com/www.drogenberg.be/wp-content/uploads/2020/09/Mars-29AUG-IR-Annotated.jpg?resize=525%2C306&ssl=1)
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