M79
NGC 1904 · Globular cluster in Lepus
- Magnitude
- 7.7
- Size
- 9′
- Effective surface brightness
- 20.8 mag/arcsec²
- Best months
- Nov, Dec, Jan
- Declination
- -25°
- Filter
- None (broadband target)
A winter globular below Orion, unusual for the season. Low but compact.
Reachable from mid-northern latitudes (UK, northern US, central Europe) and from the south.
How long with each smart telescope
| Telescope | In frame | Bortle 3 (rural) | Bortle 5 (suburban) | Bortle 7 (urban edge) |
|---|---|---|---|---|
| ZWO Seestar S5010 s subs | 21% | 8 min48 subs | 11 min67 subs | 25 min152 subs |
| ZWO Seestar S50 Pro10 s subs | 11% | 9 min52 subs | 12 min73 subs | 27 min165 subs |
| ZWO Seestar S3010 s subs | 13% | 9 min52 subs | 12 min71 subs | 26 min156 subs |
| ZWO Seestar S30 Pro10 s subs | 7% | 9 min56 subs | 13 min78 subs | 29 min174 subs |
| DwarfLab DWARF 315 s subs | 9% | 11 min44 subs | 16 min64 subs | 38 min151 subs |
| DwarfLab DWARF mini15 s subs | 13% | 8 min32 subs | 11 min45 subs | 25 min101 subs |
| DwarfLab Draco30 s subs | 12% | 15 min30 subs | 15 min30 subs | 21 min42 subs |
| DwarfLab DWARF II15 s subs | 8% | 30 min122 subs | 39 min158 subs | 1 h 19 min315 subs |
| Vaonis Vespera II10 s subs | 10% | 8 min48 subs | 11 min67 subs | 25 min152 subs |
| Vaonis Vespera Pro10 s subs | 9% | 18 min110 subs | 25 min151 subs | 55 min329 subs |
| Vaonis Vespera 310 s subs | 10% | 7 min45 subs | 11 min64 subs | 24 min145 subs |
| Vaonis Vespera Pro 210 s subs | 9% | 17 min105 subs | 24 min144 subs | 52 min315 subs |
| Unistellar eQuinox 24 s subs | 26% | 9 min130 subs | 11 min160 subs | 19 min292 subs |
| Unistellar Odyssey4 s subs | 27% | 43 min649 subs | 51 min759 subs | 1 h 23 min1,240 subs |
| Celestron Origin10 s subs | 18% | 5 min30 subs | 5 min30 subs | 7 min42 subs |
| Celestron Origin Mark II10 s subs | 20% | 5 min30 subs | 5 min30 subs | 10 min59 subs |
Imaging the globular cluster
Globular clusters are point sources packed tight, so they come quickly: the core resolves into stars within a handful of minutes on any smart scope. More time deepens the halo and pulls in the faint outer members. Use short subs so the core does not saturate into a white blob, and no filter.
Per-telescope pages
- How long to image the M79 with the ZWO Seestar S50
- How long to image the M79 with the ZWO Seestar S50 Pro
- How long to image the M79 with the ZWO Seestar S30
- How long to image the M79 with the ZWO Seestar S30 Pro
- How long to image the M79 with the DwarfLab DWARF 3
- How long to image the M79 with the DwarfLab DWARF mini
- How long to image the M79 with the DwarfLab Draco
- How long to image the M79 with the DwarfLab DWARF II
- How long to image the M79 with the Vaonis Vespera II
- How long to image the M79 with the Vaonis Vespera Pro
- How long to image the M79 with the Vaonis Vespera 3
- How long to image the M79 with the Vaonis Vespera Pro 2
- How long to image the M79 with the Unistellar eQuinox 2
- How long to image the M79 with the Unistellar Odyssey
- How long to image the M79 with the Celestron Origin
- How long to image the M79 with the Celestron Origin Mark II