| Designation(s) | Arp 135, NGC 1023 |
| Object Type(s) | Galaxy |
| Relevant Catalog(s) | All (Chron), Arp, NGC |
| Arp Category | Galaxies with nearby fragments |
| Obs. Lat/Long | 42° 17', 073° 57' |
| Constellation | Perseus |
| Date and Time Observed | 2024-03-13 11:09:27 |
| Instrument | 8" EdgeHD SCT |
| Camera | ASI294mc-Pro |
| Image Details | Up is 92.3 degrees E of N. Total integration time was 25m 30s. Exposures 30s@305g, UV/IR Cut Filter. Darks subtracted, no flats. Dithered and recentered in SharpCap. No guiding.. |
| Description | First observation of the evening starting with Astronomical Dusk. Altitude just under 40° at start. This is a relatively large and bright object that appeared almost immediately in SharpCap. I stayed on it as long as needed to clearly see the bulge at the bottom which is NGC 1023A merging into it; the enhanced version of the image makes this obvious, though increases noise. Note Arp comparison is rotate 180° to match Arp's original image. |
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