#531 - 12 Months of Messier April Edition
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Amateur astronomers Chris and Shane dive into the April edition of their 12-month Messier series, reflecting on the challenges of observing in Saskatchewan’s harsh climate—where winter cold, spring mud, and late evening light conspire to limit opportunities. Despite these hurdles, they recount a triumphant night at their observatory, where strong winds and clouds initially threatened to cancel the session, but ultimately yielded stunning views of M36, M35, the Owl Nebula, and the Leo Trio, including M65, M66, and NGC 3628. They highlight the transformative power of the observatory’s windproof shelter and share a breakthrough with an occulting eyepiece experiment that helped reveal faint objects like Leo I. The episode also unpacks the latest gear news from NEIF, spotlighting Explorer Scientific’s new 72-degree eyepieces, Takahashi’s surprisingly affordable 114mm F7 triplet, and Skywatcher’s innovative vented 200mm Cassegrain with integrated cooling—each a potential game-changer for visual and imaging astronomers alike. A listener’s observation about seeing green and salmon hues in M42 under low power, and a puzzling shift in telescope performance during Jupiter viewing, lead to deep dives into human physiology and atmospheric seeing effects. The hosts conclude with a heartfelt appreciation for the fleeting moments of clear, warm skies—and the joy of rediscovering the spring sky after months of winter’s grip.
Use a 3mm exit pupil (e.g., 17mm eyepiece in an F7 scope) for optimal planetary nebula viewing, even if it defies conventional exit pupil norms.
An occulting eyepiece with a misaligned lens element can cause a 'kaleidoscope' effect—verify alignment before discarding an eyepiece.
Skywatcher’s 200mm F10 Cassegrain features an integrated fan system to cool the corrector plate, reducing thermal turbulence in large refractors.
Takahashi’s 114mm F7 triplet at ~$3,200 is a potential market disruptor—offering apochromatic performance at a fraction of typical triplet prices.
For M42, green and salmon hues are visible under low power (6–7mm exit pupil) and are enhanced by partial dark adaptation, not full dark adaptation.
…and 3 more takeaways available in PodZeus
Welcome & Guest Q&A Prep
Chris and Shane kick off the episode with a reminder for listeners to submit questions for upcoming guest David Nagler, who will join them in June. They emphasize the importance of early submissions to allow proper preparation and a high-quality Q&A session.
Observing Challenges in Saskatchewan
The hosts discuss the harsh seasonal constraints on observing in Saskatchewan, including winter cold, spring mud, and late evening light. They highlight how these factors limit observing windows and underscore the need to prioritize opportunities when they arise.
Wind-Proof Observing at the Observatory
Despite strong winds and clouds, the hosts successfully observed for nearly four hours from their observatory, which shielded them from wind and cold. They detail views of M36, M35, the Owl Nebula, and the ghost of Jupiter.
Experiment with Occulting Eyepiece
“It's pretty wild to see something interjecting and then being able to block stuff in the background sky with that tool.”
NEIF Gear Highlights: Explorer Scientific & Takahashi
The hosts break down new gear from NEIF, including Explorer Scientific’s upcoming 72-degree eyepieces and Takahashi’s surprisingly affordable 114mm F7 triplet, which could disrupt the market.
“It's pretty wild to see something interjecting and then being able to block stuff in the background sky with that tool.”
“I really think that that 17 Explore Science is just like the best eyepiece that Explore Science has made.”
“It would like pull stuff out and put stuff in and all that garbage, right? So yeah, that's nice. I think that's really cool.”
Hosts
explorer scientific
brand
shane
person
chris
person
owl nebula
other
takahashi
brand
skywatcher
brand
leo trio
other
david nagler
person
neif
other
mateo
person
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