Planetary nebula
Cleopatra’s Eye (NGC1535)
In Eridanus (Eri) • Magnitude 9.6 • 0.8 arcminutes
Open the free AstroPlanner with Cleopatra’s Eye pre-selected, scored against your telescope, location, and the live cloud forecast.
Planetary nebula in Eridanus.
Cleopatra’s Eye at a glance
| Catalog IDs | N 1535 |
| Type | Planetary nebula |
| Constellation | Eridanus (Eri) |
| Right ascension | 04h 14m 16s |
| Declination | -12° 44' 22" |
| Apparent magnitude | 9.60 |
| Surface brightness | 17.9 mag/arcsec² |
| Angular size | 0.8 × 0.8 arcmin |
| Max altitude at 45°N | 32° |
| Best imaging months | Nov, Dec, Jan |
How to image Cleopatra’s Eye
Cleopatra’s Eye sits in the constellation Eridanus at right ascension 04h 14m 16s and declination -12° 44' 22". To frame and integrate it well, AstroPlanner will compute the optimal moonless window for tonight from your location, the field-of-view fit against your sensor and focal length, the suggested total integration time given your aperture and sky Bortle class, and a cloud-aware schedule that drops it from the plan if your nearest cloud forecast spike overlaps the best altitude window. As a planetary nebula, Cleopatra’s Eye typically appears small and intense, so a long focal length and OIII or Ha narrowband filters bring out structure.