| DATE | 29 Apr 2023 |
| TELESCOPE OPTICS | 508 mm mirror f.4 . effective f4.6 with paracorr2. ccd sony ICX285AL 1360 x 1024px 6.45 x 6.45µm |
| EXPOSURE | binning 2: composite image, 20 min |
| IMAGE SIZE (ARCMIN) | 27 |
| LIGHT TRAVEL TIME (Derived Redshift. Millions Light Years) | IC4633 = 142 IC4635 = 143 WISEA J171514.31-772725.6 = 145 |
| MAGNITUDE | IC4633 = 12.4 IC4635 = 13.94 15.8 |
| POSITION RA-DEC J2000 | IC4633 = 17 13 47.04000 -77 32 10.3000 IC4635 = 17 15 39.19000 -77 29 22.3000 WISEA J171514.31-772725.6 = 17 15 14.22000 -77 27 25.4000 |
| POSITION ANGLE: | |
| Rotation Velocity km/s | IC4633 = 163 IC4635 = 149 |
| Diameter (Kpc) | IC4633 = 56.35 |
| DETAILS | Spiral galaxies suffering some extinction from dust and gas in the sometimes known Sarah's nebula in Apus |
rollover image
