How to Take Perfect Night Sky Photos for SkyQI

Getting accurate light pollution measurements requires good quality night sky photos. Here is a complete guide.

Equipment You Need

Minimum Requirements

  • Any smartphone with a camera
  • Stable surface or tripod (optional but recommended)
  • Clear night sky

Recommended

  • Phone tripod or mount
  • Remote shutter or timer
  • Manual camera app (for better control)

Best Practices

1. Choose the Right Time

  • Clear skies: Check weather forecast
  • Moon phase: New moon or crescent moon is best
  • Time: 1-2 hours after sunset or before sunrise
  • Season: Any season works, but winter often has clearer skies

2. Find the Right Location

  • Away from direct light sources
  • Open area with view of the sky
  • Safe and accessible location
  • Consider different locations for comparison

3. Camera Settings (if available)

  • ISO: 800-3200 (higher for darker locations)
  • Exposure: 10-30 seconds
  • Focus: Manual focus on infinity
  • White Balance: Auto or Daylight

4. Taking the Photo

Step-by-step:

  1. Set up your phone on a stable surface
  2. Point camera toward darkest part of sky (usually away from cities)
  3. Avoid including moon if possible
  4. Use timer or remote to avoid camera shake
  5. Take multiple photos for comparison
  6. Include horizon if possible (helps analysis)

Common Mistakes to Avoid

❌ Don't: Point camera at streetlights or buildings ❌ Don't: Take photos when moon is full or very bright ❌ Don't: Use flash ❌ Don't: Shake the camera while taking photo ❌ Don't: Take photos through windows

✅ Do: Keep camera steady ✅ Do: Point at open sky ✅ Do: Take multiple shots ✅ Do: Note location and time

After Taking Photos

  1. Select your best photo
  2. Go to SkyQI and upload
  3. Add accurate location (GPS or manual)
  4. Wait for analysis
  5. View your results on the map!

Tips for Better Results

  • Practice: Take several photos and compare
  • Different angles: Try north, south, east, west
  • Track changes: Return to same location monthly
  • Share: Contribute to global database
  • Learn: Study your results and improve

Smartphone-Specific Tips

iPhone

  • Use Night Mode if available
  • Tap to focus on stars
  • Adjust exposure slider down slightly
  • Use Live Photos and select best frame

Android

  • Use Pro/Manual mode if available
  • Adjust ISO and shutter speed
  • Use built-in timer
  • Try different camera apps (Open Camera, Camera FV-5)

Sample Locations in India

Good spots near Gurgaon:

  • Damdama Lake
  • Sohna Hills
  • Manesar (outskirts)
  • Aravalli Biodiversity Park

Excellent dark sky sites in India:

  • Spiti Valley, Himachal Pradesh
  • Nubra Valley, Ladakh
  • Rann of Kutch, Gujarat
  • Pangong Lake, Ladakh

Start Measuring Today!

Now that you know how to take great night sky photos, head to the Upload page and contribute your first reading to SkyQI!

Together, we can map light pollution across India and advocate for darker skies!