The Iris Nebula (also known as NGC 7023 and Caldwell 4) is a bright reflection nebula in the constellation Cepheus embedded in surrounding fields of interstellar dust

 

Camera: Moravian G2 8300

Filters: 31mm unmounted Optolong

Optic: Televue 102 f/7

Mount: Ioptron CEM60 HP

Autoguider: camera Magzero 5m on SW 70/500, Phd guiding

Frames: L: 16X600sec - RGB: 6X600sec each Bin1 -25°

Processing: Pixinsight, Photoshop