BANGKOK DEEP-SKY OBJECTS OBSERVING
References:
My favorite links:
- Sky & Telescope Magazine
contains many useful knowledge, tips and more links
- SEDS
Messier objects database with free posters, very nice pictures
- Astro Tips
contains many useful programs with clear descriptions
and sample of front screen, free wares & share wares
- Impression deep-sky
many deep-sky objects sketches, nice details and descriptions
- BONDONO
collection of useful Astronomical links
