By Cecille Kennedy | 2025-10-23
C/2025 A6 (Comet Lemmon): A Visitor Beyond the Frost Line
On 10/24/2025 07:03 pm by Jelieta Walinski Ph.D | Website | Desert Bloom Observatory, AZ, USA
Description:
Captured on the evening of October 24, 2025, from Desert Bloom Observatory in St. David, Arizona, this image reveals the subtle beauty of Comet C/2025 A6 (Lemmon)—a celestial wanderer tracing its path through the outer reaches of our Solar System. Using a Celestron Nexstar Evolution 9.25” Schmidt-Cassegrain telescope paired with a ZWO ASI2600MC Pro camera, the comet’s delicate coma and faint green hue emerge through the Optolong L-Pro multiband pass filter, hinting at ionized gases released as sunlight warms its icy core. Guided by precision optics and the quiet hum of equatorial tracking, this frozen relic from the early Solar System whispers stories from the age of planetary creation—its journey, timeless and luminous, across the star-filled silence.
Telescope: Celestron Nexstar Evo 9.25 235mm f/10 Schmidt Cassegrain
Camera: ZWO-ASI2600MCPRO
Mount: Sky-Watcher EQ-6R Pro Computerized Equatorial Mount S303000
Guide Scope: ZWO 30F4Miniscope
Guide Camera: ZWO ASI462 MC Planetary Camera
Starizona Hyperstar 4HS4-C9.25 white 10014
Starizona Telrad Reflex Sight Finders
ZWO standard Electronic Automatic Focuser EAF-5V
ZWO ASIAir Plus Wifi Camera Controller
Optolong- L-Pro 2” multiband Pass Filter
Dew Heater Astrozap
Dew Shield - Celestron
Samsung Cellular Phone
Memory Card
3 sec of 52 images stack in deepsky stacker, processed in Pixinsight, and photoshop