In a remarkable feat of amateur astrophotography, Michele Hernandez Bayliss, a Vermont-based astronomer, has managed to capture breathtaking photos of two of the most famous galaxies in our universe: the
Croc’s Eye galaxy (Messier 94)
and the
iconic Whirlpool galaxy (Messier 51)
.
A Backyard Observatory With A Stellar View
Hernandez Bayliss, having dedicated many years to visual astronomy, started exploring astrophotography quite lately.
In the last couple of years, she has devoted herself fully to constructing her personal observatory at her residence in Weybridge, Vermont.
Even though Vermont experiences highly erratic weather conditions, characterized by overcast skies and brief periods of clarity during the night, Hernandez Bayliss managed to take advantage of a special chance in late April to photograph the breathtaking Croc’s Eye galaxy.
Using a
Takahashi TOA-130NFB Refractor
and a
Stellarvue SVX140T-R telescope
Along with an array of essential peripheral devices, Hernandez Bayliss captured more than 20 hours of imagery data across two evenings.
The end result? A comprehensive and lifelike depiction of
Messier 94
, a spiral galaxy located approximately
About 34 million light-years away from Earth
.
“The challenging aspect of observing galaxies lies in the processing—specifically with the Crocodile Eye, where the difficulty stemmed from its much smaller size than anticipated within my 990 mm telescope,” Hernandez Bayliss stated in an email.
Space.com
.
I needed to apply some HDR compression to highlight the essence and manage the details delicately.
Synthetic Luminance
I developed using the LRGB technique.”
The Elegance of the Whirlpool Galaxy
Earlier this year, Hernandez Bayliss pointed her telescope toward the renowned
Whirlpool galaxy (Messier 51)
, an impressive spiral galaxy famed for its luminous nucleus and expansive spiraling arms.
On this occasion, she employed a mix of RGB and hydrogen-alpha (Ha) filters to uncover additional details.
During a span of 16 hours in February, the amateur astronomer managed to capture the intricate details of the Whirlpool galaxy, encompassing its finer structures.
dark dust lanes
winding through its coils.
The outcomes are impressive: a detailed depiction of a ” grand-design” spiral galaxy that captures the attention with its complex characteristics.
It is intriguing to consider that the spiral arms of the Whirlpool galaxy may have been affected by a near pass with another, smaller galaxy.
NGC 5195
, located close to the outer edge of the Whirlpool’s upper arm.
This engagement has probably contributed to accentuating the prominent spiral pattern of M51, which Hernandez Bayliss’s photograph depicts with great elegance.
How an Astronomer Overcame the Biggest Challenges in Astrophotography
Astrophotography is far from easy, and Hernandez Bayliss faced numerous obstacles.
She mentions that the main factor was the requirement for clear, dark skies. In Vermont, frequent cloud cover and lunar glare pose significant challenges for those engaged in astrophotography.
“So it was awesome to get two nights in quick succession with no clouds, no moon and clear skies — a miracle!,” said Vermont-based astrophotographer
Capturing galaxies
similarly to Messier 94, which is comparatively smaller in size
sky
, demands a delicate touch.
Hernandez Bayliss’s method required a careful equilibrium: diminishing the luminosity of the galaxy’s center to expose the spiral arms while maintaining intricate details.
The combination of her
telescopic gear
,
imaging filters
, and
software skills
enabled her to create an image that even seasoned astronomers would admire.
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