M101 on Secret Still Observatory https://secretstill.uk/tags/m101/ Recent content in M101 on Secret Still Observatory Hugo -- gohugo.io en Wed, 30 Apr 2025 07:32:32 +0000 M101 - The Pinwheel Galaxy https://secretstill.uk/log/2025-04-30-m101/ Wed, 30 Apr 2025 07:32:32 +0000 https://secretstill.uk/log/2025-04-30-m101/ Details Rig: Player One Ares-M Pro + Sky-Watcher 200PDS + EQ6R-Pro Software: NINA, PixInsight, GIMP. Filters: Astronomik LRGB, Zwo HA Constellation: Coma Berenices Notes Continuing what has been an incredible galaxy season weather-wise with another version of a large galaxy. Again I decided to reimage this in monochrome with additional weighting for the Hydrogen Alpha channel to highlight the star-forming regions. Integration time (running total): * L 18 X 180s (54m) * R 15 X 180s (45m) * G 17 X 180s (51m) * B 18 X 180s (54m) * HA 15 X 180s (45m) * Total: 4h09m M101 - click for larger view M101 altitude chart M101 Supernova https://secretstill.uk/log/2023-05-27-m101-supernova/ Sun, 04 Jun 2023 08:54:55 +0100 https://secretstill.uk/log/2023-05-27-m101-supernova/ Details Rig: ASI294MC Pro + Stellayra 6" F12 Classical Cassegrain + EQ6R-Pro Software: NINA/PixInsight/GIMP Filters: Optolong L-Pro Integration time (running total): * OSC 139 X 120s (278m) * Total: 4h38m Integration time target * Target: 12 hours * Progress: 39% The bright supernova SN2023IXF currently visible in M101, the Pinwheel Galaxy. Notes 3nd June 2023 Seeing index: 3/1 - 4/2 Jet stream: Good - 5m/s Integration time: OSC 55 X 120s (110m) * Total: 1h50m The atmospheric conditions are still making it hard to isolate issues with tracking/guiding/seeing/transparency. M101 - Whirlpool Galaxy (Ha) https://secretstill.uk/log/2022-06-16-m101/ Thu, 16 Jun 2022 07:26:42 +0100 https://secretstill.uk/log/2022-06-16-m101/ Gathered a few short hours of HA data for a future project. Full moon tonight made broadband imaging difficult. Details Camera: ZWO ASI160MM Pro Telescope: Sky-Watcher 200PDS Guide scope: Sky-Watcher 80ED-DS Pro Guide camera: ZWO ASI120MM-S Filters: ZWO SHO 1.25" Astronomik LRGB Deep Sky 1.25" Mount: Sky-Watcher EQ6R Pro HEQ5 Capture software: NINA v2.0RC Processing software: PixInsight v1.8.9 Integration time: Ha 30 x 300s (2h30m) Moon: 100% Notes Guiding not as smooth as usual.