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The Sky Today on Saturday, November 29: Mercury's retrograde path ends

Looking for a sky event this week? Check out our full Sky This Week column. November 28: Saturn stands still Mercury comes to ...
JSTOR Daily

Two‐dimensional Analytical Modeling of Distortion and Sky Background in Multifiber Spectrographs: The Case of the Norris Spectrograph at Palomar Mountain

ABSTRACT A method for optimal reduction of data taken with multifiber spectrographs is described, based on global correction of their geometrical distortion. Though it was specifically developed for ...
Space.com

Best Deep-Sky Targets in Autumn's Night Sky

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Clear, dark autumn evenings are the perfect time to begin your first explorations of deep-sky ...
Space.com

Moon & Venus Put On Post-Christmas Sky Show

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. UPDATE: See our full photo gallery of the Venus-moon conjunction here and get more skywatching ...