The Mermaid Nebula
Barnard 150 / LDN 1082
This wonderful dark nebula in Cepheus is commonly referred to as the Seahorse, but in the orientation of my image, the structure reminds me much more of a mermaid, drifting through the cosmos with her long hair.

Its counterpart is played by an H-Alpha cloud, which already belongs to the adjacent "Flying Bat Nebula" (Sh2-129). To bring out this faint area, I captured 7 hours of Ha and then combined it with 10 hours and 13 minutes of RGB.

Nominated for Top Pick on Astrobin



Image Details
Date
September 15, 16 & 25, 2023
LOCATion
Hannover (Germany)
Sky Quality
Bortle 5
Telescope
Celestron RASA 8 (203/400 f/2)
Mount
Skywatcher EQ6-R Pro
Main Cameras
ZWO ASI 2600 MC Pro
Gain 100, Offset 18, -10°
TS 2600 MP
Gain 100, Offset 200, -10°
Focuser
Celestron Motorfocus
Processing
Astropixelprocessor, Photoshop, Pixinsight
Filter
Baader H-Alpha Highspeed 3.5nm
Baader UV/IR-Cut Filter
Exposure
RGB:
351 × 60″ (5h 51′)
131 × 120″ (4h 22′)
70 × 10″ (11' 40'′)
Ha: 210 × 120″ (7h)
Total: 17h 24′ 40″
Guiding
ZWO ASI 120MM, PHD2
Calibration
Flats, Darks, Darkflats
Software
N.I.N.A., EQMod
Other
Artesky Filter Holder
  
  
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