Tag Archives: lemmon

From The Astrophotography Group

Posted on January 3, 2026 by ST Editors

C/2025 A6 (Lemmon) taken by Daniel Opdyke Telescope:   Atrotech AT 72ED II 72mm aperture 430mm focal length f/6Mount:         Iopteron CEM 25 hypertunedExposures:   60 subframes @ 60 sec each over 1 nights for 1 hour of integration; ASI533MC-P; … Continue reading →

Posted in January 2026, Sidereal Times | Tagged , | Leave a comment

Proposed Field Trip to Arizona Sky

Posted on March 1, 2014 by ST Editors

by Rex Parker At the November meeting, I presented “Galaxies, Comets and Pixels from the High Desert”, a glimpse of an astronomy haven, the Mt Lemmon Sky Center.  Located an hour north of Tucson AZ, the site has excellent facilities … Continue reading →

Posted in March 2014 | Tagged , , , | Leave a comment