M 51 - Whirlpool Galaxy
Apr 2025
The Whirlpool Galaxy, also known as Messier 51a or NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. It lies in the constellation Canes Venatici, and was the first galaxy to be classified as a spiral galaxy. [Wikipedia]
| Filter | UHC LightPollution |
| Lights | 84 |
| Single Exposure | 180 sec |
| Total Exposure | 4 hr 12 min |
| Gain | 101 |
| Offset | 200 |
| Temp (°C) | -10.0 °C |
| Capture Dates | Moon Illumination |
| 29 April 2025 | Waxing Crescent (2.47%) |
| Camera: | Omegon VeTec571c |
| Telescope: | Omegon Ritchey-Chretien Pro RC203/1624 |
| Reducer: | Skywatcher Flatenner 0.9x Evolux-82ED |
| Guide Camera: | ZWO ASI174MM Mini |
| Guider: | Askar Off-Axis-Guider |
| Mount: | ZWO AM5N |
| Tripod: | ZWO Carbon Fiber Tripod TC40 |
| Filter Wheel: | Svbony SV226 |
| Eaf: | Gemini Automatic Star Focuser Pro |
| Dew Heater: | Svbony SV172 |
| Flat Panel: | WELZK A3 Light Pad |
| Acquisition | |
| Processing |