LDN 1251
LDN 1251
This is a HaRGB capture of a dark nebula located in the constellation Cepheus. There are some really neat structures in there, from spiral galaxies to a very diverse star field of color.
Equipment
Telescope: Celestron RASA 11 (620mm focal @ f/2.2)
Filters: Astronomik MaxFR 50x50mm Square SHO
Main Camera: ZWO ASI 6200mm-pro Monochrome
Tilt & BackFocus Adjuster: ASG Photon Cage
Mount: iOptron CEM 120EC
Guide Scope: William Optics 50mm Uniguide
Guide Camera: ZWO ASI 290mm-mini
Location
Location: Pendleton, Oregon
Observatory: NexDome 2.4m Automated
Bortle: 3
Long & Lat: 45.67N, -118.79 W
Shoot Parameters
Date: August 10-15, 2023
R: 157 x 30 seconds
G: 141 x 30 seconds
B: 149 x 30 seconds
Ha: 30 x 300 seconds
Total Integration time ~6.2 hrs
Calibration Bias: 20
Calibration Dark: 20
Calibration Flats: 20 for each filter
Gain: 100
Cooling: -10
Processing Software: Captured with NINA, Stacked with Astro Pixel Processor, Processed in PixInsight
