Crescent Nebula in Narrowband using CFHT mix Ha-OIII-SII for RGB. Bin 1x1 HA 4x30m, OIII 6x30m, SII 3X30m.TEC 140 @ f5.6 and FLI ML8300 camera.Taken by Lynn Hilborn, WhistleStop Obs, Grafton,Ontario August 11 and 29, 2011
Our community is FREE to join. To participate you must either login or register for an account.
Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. View our Privacy Policy.
Astronomy Magazine