Images dp_mar-30.jpg, dp_mar-30r.jpg and dp_mar-30gb.jpg were taken by Don Parker, Coral Gables, Florida (USA). He uses a Lynxx PC camera, 16-in (41cm) Newtonian. Eyepiece projection is at f/47.8. Integration times are as follows (NOTE: Pre front: Seeing 5-7 but transparency only 3.5-4M):
Blue (Schott BG12 + IR Rejection) | |
Green (VG9 + IR Rejection) | |
Red (RG610) | |
Infrared (750-825nM) | 0.80s |