Sh2-155 Cave Nebula – 2018

Sh2-155 Cave Nebula – 2018

2016-10-28 20:00-02:00
Clear, hard wind, intermittent high clouds, 80% humidity, 7 degrees C
Ha:86x90s RGB:(50+44+58)x30s L:60x30s

2018-10-14 20:00-05:00
Clear, some wind, no moon, 80% humidity, 12 degrees C
L: 114x60s RGB:(90+84+90)x60s

2018-10-18 20:00-05:00
Clear, no wind, half moon, 90% humidity, 3 degrees C
Ha: 94x90s RGB:(81+77+82)x60s

Camera: ASI1600MM-COOL+ZWO EFWmini, Baader R,G,B,7nm Ha, IDAS LPS-D1, gain 200, offset 50, -20C
Lens: Sky-Watcher Esprit 80ED + Sky-Watcher field flattener
Mount: HEQ5 Pro
QHY 5L-II-M auto guider and Celestron 80mm guide scope
Software: Sequence Generator Pro, PixInsight, Photoshop
Location: Borås, Sweden

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