Stargazing : Crater Chain Challenge – Lunar Exploration & Spring Deep Sky Near Pune

Event Details

📅 Date: Saturday, Apr 11 – Sunday, Apr 12, 2026
🌙 Moon Phase: Last Quarter Moon – optimal for viewing lunar surface relief
⏰ Check-in: Saturday 6:00 PM
⏰ Check-out: Sunday 10:00 AM
📍 Location: Quiet, dark sky site within easy reach of Pune and Mumbai

Highlights of the Night

Lunar Surface Exploration

• Study the dramatic Caucasus Mountains—rugged lunar mountain ranges with deep shadows.

• Observe Mare Imbrium, one of the Moon’s largest volcanic plains with prominent features and craters.

• Examine the impressive Archimedes crater, a large, well-defined impact crater with distinct central peaks and terraced walls.

• Follow distinct crater chains and rilles, appreciating the Moon’s geological history in vivid detail.

Spring Constellations and Deep Sky

• Explore prominent spring constellations: Virgo, Boötes, Hercules, Corona Borealis.

• View bright globular clusters such as M13 (Hercules Cluster) and M5.

• Look into the rich Virgo Cluster of galaxies visible through telescopes.

Viewing Experience

Unaided Eyes

• Recognize key stars of spring constellations: Spica (Virgo), Arcturus (Boötes), and others.

• Enjoy a clear dark sky rich with Milky Way star fields (away from moonlit areas).

Binoculars

• Scan globular clusters like M13 and M5.

• Observe fine star fields in Virgo and Hercules.

Telescopes (10″ and 12″)

• Detailed observation of lunar crater chains, mountains, mare features.

• Beautiful resolution of globular clusters and spring galaxies.

• Observe Virgo Cluster galaxies with advanced telescope setups.

Program Outline

• Welcome and orientation with an introduction to lunar geology and crater chains.

• Guided lunar observation focusing on mountain ranges and crater details.

• Star tour spotlighting spring constellations and globular clusters.

• Deep sky telescope session for observing clusters and galaxies.

• Interactive sessions for identifying lunar features and deep sky objects.

• Astrophotography advice for lunar and deep sky imaging.

Equipment and Facilities

• Professional 10″ and 12″ Dobsonian telescopes equipped for lunar and deep sky viewing.

• Lunar filters to enhance relief and reduce glare.

• Wide-field binoculars and star charts for complementary observations.

• Comfortable outdoor viewing setup with amenities and safety measures.

Ideal For

• Enthusiasts eager to deepen their understanding of lunar geology.

• Photographers interested in detailed lunar and deep sky imaging.

• Families and students interested in exploring the night sky together.

• Anyone fascinated by the Moon’s rugged terrain and distant galaxies.

Tips for Attendees

• Dress warmly; night temperatures can be cool in April.

• Bring comfortable chairs or blankets for prolonged observing sessions.

• Cameras and smartphone adapters are encouraged for astrophotography.

• Patience and curiosity will enhance your experience as you explore detailed lunar structures.