The Moon’s Terminator and Partial Lunar Eclipse

by By LaGuardia Society of Physics Students (SPS)

“It has been said that astronomy is a humbling and character-building experience… To me, it underscores our responsibility to deal more kindly with one another, and to preserve and cherish the pale blue dot, the only home we’ve ever known”.

– Carl Sagan.


These series of photographs were taken by LaGuardia Society of Physics students supervised by Dr. Roman Senkov on their first night stargazing as a group.

SPS has become active again and invites everyone who is passionate about physics and astronomy to join. The society is composed of passionate students and faculty who meet every Friday evening. Weekly meetings may include stargazing, exciting hands-on experiments, interesting discussions and lessons on hot topics such as black holes and Einstein’s general theory of relativity. Anyone interested please contact SPS LaGuardia Chapter President, Edda Monique Hobuss at or the supervising professor of our chapter, Dr. Roman Senkov at

The Moon’s Terminator – Image and video showing our moon’s terminator, the dividing line between the dark and light side of the moon.

Equipment and tools used:

  • Takahashi FSQ-106EDX4 f/5 telescope
  • Equatorial mount: iEQ30 Pro
  • Smartphone attachment for telescope and smartphone
  • Processed using rawtherapee

The Moon's terminator (taken on 11/10/2021).

Partial Lunar Eclipse – Image showing the partial lunar eclipse, which occurs when the Earth casts a shadow over the moon. The Moon appears red in color because the sunlight has to travel through the thick layer of Earth’s atmosphere and blue light is scattered off, resulting in predominantly red light passing through. The same effect is responsible for red sunsets.

Equipment and tools used:

  • Sony a7M3
  • Tamron 28-200mm lens
  • Processed using lightroom classic