Cluster · Cassiopeia
NGC 663
An open cluster in Cassiopeia, discovered by Caroline Herschel in 1783.
Le Cœur et l'Âme · Photograph by the author · 3h 47m of exposure, DwarfLab DWARF 3
It lies about 6,370 light-years away and covers 15 arcminutes. It holds at least 26 Be stars, of spectral type B, whose spectrum carries emission lines. In the photo, its stars crowd into a knot at the centre of the frame, and two brighter stars stand out on its right.
Source: Wikipédia en français, NGC 663. A figure wrong? Report it.
duration not logged 1 shot
0 towards 25h 12m · cumulative integration on this object
Temps d'intégration : the total exposure time, the sum of every exposure stacked on an object.
- Family
- Cluster
- Constellation
- Cassiopeia
- Shots taken
- 1
- Album date
- 15 July 2026
- Cumulative integration
- not logged
- Instrument
- Unistellar eQuinox 2
The album date is the one the photo album gives the file, not the date of the shot: the device burns none into this image.
In the same family
Other clusters in the catalogue
NGC 7129 · Cepheus
Amas et nébuleuse par réflexion
23m 1 shot
0 towards 25h 12m · cumulative integration on this object
M36 · Auriga
M36
duration not logged 1 shot
0 towards 25h 12m · cumulative integration on this object