castro.pic:
SH2-101 - The "Tulip Nebula" (Tulpennebel)
castro.pic:
Sh2 101 WR 134, NGC6871
castro.pic:
Sh2-129 – The Flying Bat & Giant Squid Nebula
castro.pic:
WR 134 and Sh2-101 - narrowband
castro.pic:
NGC 7822
castro.pic:
Sh2-261
castro.pic:
SH2-230 (NGC1931 IC417 IC410 IC405) - Annotated
castro.pic:
SH2-230 (NGC1931 IC417 IC410 IC405)
castro.pic:
Sh2-173 h-alpha
castro.pic:
Sh2-173 HaRGB Annotated
castro.pic:
Sh2-173 HaRGB crop
castro.pic:
Sh2-173 HaRGB crop
castro.pic:
Sh2-173 HaRGB
castro.pic:
SH2-275 h-alpha
castro.pic:
IC1396 narrow-band
castro.pic:
Sh2-115
castro.pic:
Sh2-112 - emission nebula
castro.pic:
Sh2-112 - emission nebula
castro.pic:
Sh2-126 - The Great Lacerta Nebula
castro.pic:
Sh2-155 - The Cave Nebula
castro.pic:
Sh2-115