NGC 6888 - The Crescent Nebula and Surrounding Region

NGC 6888 - The Crescent Nebula and Surrounding Region

 

Taken over many nights between July 13 and August 1, 2020 near Seattle, Washington

 

Telescope: TEC 180 @ f/5 using Astro-Physics Quad-TCC

Camera: QHY600

Guide Camera: Starlight Xpress Lodestar

Mount: Astro-Physics 900GTO with CP4 and APCC-Pro

Capture Software: SGPro and NIINA

 

Exposure:

 

Ha: 18 hours 15 minutes (73 x 15 min, bin 1x1)

 

OIII: 18 hours 15 minutes (73 x 15 min, bin 1x1)

 

SII: 18 hours 15 minutes (73 x 15 min, bin 1x1)

 

Total Integration Time: 54 hours 45 minutes

 

Processed in PixInsight 1.8

 

NB Combination:

 

R = HA + SII

G = 25% Ha + 75% OIII

B = OIII

Done