Trinitite gamma spectrum
A tiny piece of porous greenish rock from the Blanchard Rock shop in New Mexico. What can one see after 78.8 years?
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A tiny piece of porous greenish rock from the Blanchard Rock shop in New Mexico. What can one see after 78.8 years?
Spectra of HIP 52422, HIP 52959, and HIP 47908 (NexStar 8SE OTA and Star Analyzer 100 grating): A Wolf-Rayet star (WR140) and a spectral class A0 star (SAO 49510):
IC1396 + SH2-129 + OU4 (Askar FMA135/4.5)
(NexStar 8 SE OTA)
(Coronado PST)
(RASA8)