Observer’s Challenge Objects for 2018: Our tenth Year!
January: NGC 1624 – Nebula + Cluster; Perseus; Mag. 11.8; Size 5′ RA: O4h 40.6m Dec. +50º 28′
15 cm reveals this nebula faintly as a diffuse glow lying mostly N of mag. 12 star that has two fainter companions E and SE. With 25 cm the nebula remains fairly faint. The cluster is poor, containing only a dozen stars in an L-shaped asterism with the brightest star at the bend. Skiff and Lunginbuhl Observing Handbook and Catalog of Deep-Sky Objects