An Accidental Discovery: Minkowski 2-51 and NGC 7235
Back to articles

An Accidental Discovery: Minkowski 2-51 and NGC 7235

Astrophotography
September 19, 20253 min read
Cosmic Chronicles

Cosmic Chronicles

Space Science Writer

An Accidental Discovery: Minkowski 2-51 and NGC 7235

Sometimes, the most rewarding scientific endeavors come from unexpected detours. For astrophotographer /u/Astrylae, a night dedicated to capturing the Elephant's Trunk Nebula took an unforeseen turn, leading to the accidental discovery and imaging of two celestial wonders: Minkowski 2-51 and NGC 7235.

The Unexpected Journey

The plan was set: hours of data acquisition for the Elephant's Trunk Nebula. Despite a somewhat uncertain weather forecast, the gamble paid off with a clear night. However, as often happens in the world of astrophotography, equipment glitches can throw a wrench into the best-laid plans. A loose screw on the RA mount threatened to derail the entire session.

After a manual adjustment to tighten the screw, the target was reacquired. Or so it seemed. Unbeknownst to the photographer, the telescope was not pointing at the intended nebula. Four hours of exposure later, the realization dawned: a completely different area of the sky had been captured.

Initially, disappointment set in. Four extra hours of data, and for the wrong target? But as the data was processed, something remarkable emerged. Amidst the unexpected field of stars, a beautiful planetary nebula was revealed. Further investigation revealed it was Minkowski 2-51, an object not readily labeled on Stellarium, leading to a fleeting thought of a personal discovery, only to find it was cataloged in 1947.

This story is a charming reminder that even with technical challenges and missteps, the universe has a way of offering breathtaking sights, often when we're looking in the wrong direction.

The Image

Minkowski 2-51 and NGC 7235

Acquisition Details

  • Target Acquisition: Manually found using remote observation.
  • Exposure: 240 x 1-minute exposures (4 hours total).
  • Stacking Software: Deep Sky Stacker (DSS).
  • Processing: Gradient extraction with Graxpert, star removal with Starnet.

Equipment Used

  • Telescope: Skywatcher Equinox 80ED
  • Mount: EQ5 with additional motors
  • Camera: Canon 60D (without IR cut filter) + light pollution filter
  • Guiding: ZWO 120mm mini guide camera

Tags:

Astrophotography
Deep Sky Objects
Planetary Nebula
Minkowski 2-51
NGC 7235
accidental discovery

Related Articles

Iris Dust: A Deep Dive into Capturing Nebulae
Astrophotography
Sep 1, 2025

Iris Dust: A Deep Dive into Capturing Nebulae

Explore the captivating beauty of the Iris Nebula, captured with meticulous detail. Learn about the equipment and techniques used to bring this celestial wonder to life.

Cosmic ChroniclesCosmic Chronicles
Views - 00
Capturing the Pelican Nebula Under a Full Moon from the City
Astrophotography
Jul 30, 2025

Capturing the Pelican Nebula Under a Full Moon from the City

Discover how astrophotographer maxtorine managed to capture the stunning Pelican Nebula, even under challenging Bortle 8 city skies and a full moon, using a 7-minute sub-exposure technique.

Cosmic ChroniclesCosmic Chronicles
Views - 00
Auroral Curtains Grace Mount Rainier in Stunning Morning Display
Astrophotography
Jun 3, 2025

Auroral Curtains Grace Mount Rainier in Stunning Morning Display

Witness the breathtaking spectacle of auroral curtains painting the pre-dawn sky over Mount Rainier. This early morning event on June 2nd captured a dynamic substorm, showcasing nature's celestial light show.

Cosmic ChroniclesCosmic Chronicles
Views - 00