NGC 7023PIX_Ps.png

Telescope: AT65Q astrograph, Camera: ASI 2600MC, Mount: NYX 101, Oag: Artesky w Loadstar2 cam, Pocket UPB Pegasus, Mini Pc. Acquisition program NINA, Processing prog. Pixinsight, Ps.· NGC 7023. The IRIS NEBULA (and neighbors). The Iris Nebula (also known as NGC 7023 and Caldwell is a bright reflection nebula in the constellation Cepheus. The designation NGC 7023 refers to the open cluster within the larger reflection nebula designated LBN 487. The nebula, which shines at magnitude +6.8, is illuminated by a magnitude +7.4 star designated HD 200775. It is located near the Mira-type variable star T Cephei, and near the bright magnitude +3.23 variable star Beta Cephei (Alfirk). It lies 1,300 light-years away and is six light-years across. 5 hours and 36 min of exposure, from Ano Vrontu Greece 5 April 2024.