By Dr Ski | Valencia Observatory

By Heidi Van Ee | San Jacinto State Park, California

By Marc Toso | Great Salt Lake, Utah

By john washco | Ridley Creek State Park , Media pa

By john washco | west Chester pa

By john washco | west Chester pa

By Alberto Salsone | Parma, Italy

By Renetta Trujillo | Salmon Creek, Northern California

By Kandaswamy Natarajan | Coimbatore TamilNadu India

By Loretta Davila | Santa Fe, New Mexico

By Katie Felt | Lyons, Colorado, USA

By Swami Krishnananda | India

By Peter Lowenstein | Mutare, Zimbabwe

By Dr Ski | Valencia Observatory

By Dr Ski | Valencia Observatory

By Kannan A | Singapore