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@cosmos4u@scicomm.xyz
2025-10-28 01:24:38

60 years ago #OTD (or tomorrow) #comet #IkeyaSeki showed a dramatic tail: solarviews.com/cap/comet/ikeya - and this chemical 'raw' picture proves it beyond doubt ... while nowadays creepy 'astrophotographers' past high-end stacks of the faint tails of comet Lemmon into landscape pictures creating similar "photographs" which then get likes galore. Sigh ...

@cosmos4u@scicomm.xyz
2025-10-20 22:47:45

60 years ago #OTD #comet #IkeyaSeki reached perihelion, -10 mag., was visible in daylight and showed a spectacular tail in the following weeks: groups.io/g/comets-ml/message/ and astronomy.com/today-in-the-his and noirlab.edu/public/images/noao