蛇妖星雲 - 哈勃色盤

Officina Stellare 500 RiFast (1900 f3.8)

FLI Proline 16803

Astrodon 5nm Ha, 3nm SII, OIII

OIII = 6x1800s

Ha = 8x1800s

SII = 5x1800s

攝於西藏遙控天文台

25%出圖及50%截圖