| Name | Whirlpool Galaxy |
| Designation(s) | Arp 85, M 51, NGC 5194 |
| Object Type(s) | Galaxy |
| Relevant Catalog(s) | All (Chron), Messier, NGC |
| Arp Category | Spiral galaxies with large high surface brightness companions on arms |
| Obs. Lat/Long | 42° 17', 073° 57' |
| Constellation | Canes Venatici |
| Date and Time Observed | 2026-04-27 23:32:00 |
| Instrument | EdgeHD 8" w/f7 reducer-1,422mm FL |
| Camera | Player One Apollo-M Mini |
| Image Details | Up is 0.8 degrees E of N. Transparency: Good. Seeing: Good. Total integration time was 60m. 20s@150g, no guiding. Darks subtracted, no flats. Dithered and recentered in SharpCap. No guiding.. |
| Description | I'd been struggling with capturing the tiny, Arp 138 on a moonlit night. Decided it would be fun to revisit this favorite, and to see what could be done with a monochrome image. Pretty darn good considering the moonlight |
| Related Observations | Arp085 (2) M51 (2) NGC5194 (2) |
| Catalog Links | |
