Emission Nebula Sh2-273 - AR 06h 40m 24s DEC +09° 44' 24"
Date/Place2019-02-13 at Elijah Observatory
ScopeTakahashi FSQ85ED
IntegrationRGB-H-alpha-OIII composition.
RGB: 16 x 600 sec. for each color channel
H-alpha: 22 x 1200 sec.
OIII: 16 x 1800 sec.
Total Integration time: about 23 hours
CCD Temp: -25°C
Automation software: Astroscheduler
CommentOne of my most successful mix between narroband and wideband.