I recently tested Optolong’s new 3nm hydrogen-alpha, oxygen-III, and sulfur-II filters and overall I am very satisfied, particularly for their price point ($439 each...
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What would it take to be able to shoot deep-sky objects any clear night of the month, regardless of Moon phase? The answer...
Astronomers and astrophotographers are in a constant battle with light pollution. For those capturing data from close to cities and suburbs, light pollution is...
Antlia has introduced a new dual band 5nm filter. Meant for one-shot color cameras such as DSLRs and astronomical OSCs, the mounted, two-inch ALP-T...