Galaxy
Great Barred Spiral (NGC1365)
In Fornax (For) • Magnitude 10.1 • 12 arcminutes
Open the free AstroPlanner with Great Barred Spiral pre-selected, scored against your telescope, location, and the live cloud forecast.
A spectacular barred spiral in Fornax.
Great Barred Spiral at a glance
| Catalog IDs | N 1365 |
| Type | Galaxy |
| Constellation | Fornax (For) |
| Right ascension | 03h 33m 36s |
| Declination | -36° 08' 25" |
| Apparent magnitude | 10.10 |
| Surface brightness | 24.0 mag/arcsec² |
| Angular size | 12.0 × 6.1 arcmin |
| Max altitude at 45°N | 9° |
| Best imaging months | Oct, Nov, Dec, Jan |
How to image Great Barred Spiral
Great Barred Spiral sits in the constellation Fornax at right ascension 03h 33m 36s and declination -36° 08' 25". 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 galaxy, Great Barred Spiral needs the darkest skies you can find: surface brightness, not just apparent magnitude, drives whether it will lift out of the gradient.