Sh2 290 Abell 31
Technical card
Imaging telescope or lens: Astro-Physics RH-305
Imaging camera: SBIG STX 16803
Mount: Astro-Physics 1600GTO
Accessory: Finger Lake Instruments Atlas Focuser
Resolution: 2253x2253
Dates: Jan. 25, 2018, Jan. 26, 2018, March 5, 2018, March 6, 2018
Frames: Astrodon Ha 3nm: 12x1200" Astrodon L, R, G, B: 36x300" Astrodon O-III 3nm: 24x1200"
Integration: 15.0 hours Avg.
RA center: 133.552 degrees
DEC center: 8.906 degrees
Pixel scale: 1.661 arcsec/pixel
Orientation: 181.295 degrees
Field radius: 0.735 degrees
Locations: DSW Remote Observatories, Rowe, NM, United States