| Image Name: | Andromeda Galaxy M31 - Ha Filter | | Constellation: | Andromeda | | Image Date: | 2025-09-27 | | Optics: | Astro-Tech AT115EDT Refractor | | Lenses: | Astro-Tech Flattener / Reducer 0.80 | | Camera: | ZWO ASI2600MM PRO IMX571 | | Focal Ratio: | F/5.60 | | Focal Length: | 648mm | | ArcSec/Pixel: | 1.20 | | Exposures: | 1x900s, 1x600s | | Mount: | G11T | | Guided: | Yes | | Bortle Sky: | 3 | | Posted by: | ozarkastro | | Views: | 13 |
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