Field Guide to the Deep Sky Objects is a uniquely usable guide for observers.
Following detailed descriptive summaries of each class of object, it includes
extensive lists of deep-sky targets which are classified according to "type of
object: "
- Stars (bright, coloured, double, triple, quad, multiple);
- The spectral sequence;
- Clusters;
- Globular clusters;
- Stellar associations;
- Stellar streams;
- Nebulae (emission, dark, reflection, planetary);
- Supernovae remnants;
- Galaxies (spiral, elliptical, irregular).
Each of these groups is organised by month of best visibility, and within that
by ease of observing. Simply, this means that you can choose a class of object,
and for any month of the year find an