Sh 2-290 is a very large 12th magnitude planetary nebula in the constellation Cancer.
Sh 2-290 (ACO 31)
Photographed with the RC8″ reflector telescope and the ASI 2600MC color CMOS camera in Stuvsta, March 23rd 2025. Exposure was 54*3 min with IDAS LPS D2 filter. Post-processing in Pixinsigh and Photoshop. No moon visible.
Sh 2-290 (ACO 31)
Photographed with the RC8″ reflector telescope and the ASI 2600MC color CMOS camera in Stuvsta, March 23rd 2025. Exposure was 54*3 min with IDAS LPS D2 filter. Post-processing in Pixinsigh and Photoshop. No moon visible.