Comet (cont.)
48x20sec, 150mm/5, ISO 4000, (2024-10-21)
Images
48x20sec, 150mm/5, ISO 4000, (2024-10-21)
Sony a7c, 225mm/6.3 , 3s
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):
(NexStar 8 SE OTA)