Autumn nights give you the steadiest atmosphere of the year for deep-sky viewing — cooler air means less heat-shimmer turbulence — but a standard lithium-ion camera battery loses roughly 20% of its usable capacity once temperatures drop to 14°F (-10°C) , and can lose far more if you're chimping the LCD screen every five minutes. Budget for that loss before you budget for a new lens. A basic setup that survives a 3-hour autumn session — camera, fast wide lens, tripod, one dew strap, and one power bank — runs $550–$900 , not the $3,000+ you'll see recommended. The night I learned this the hard way I'd been shooting the night sky on and off since my 30s, mostly on trips where I hauled a tripod out to some overlook, fumbled around, got maybe three usable frames, and called it a hobby. A few autumns ago I finally decided to do it properly — bought a decent wide-angle lens, found a dark spot about 40 minutes outside town, and set up around 9 p.m. for what I figured would be a ...