NGC 7635 (Bubble Nebula)

Observing Site Burnsville
Date and time 8/6-7/2012 (2148-0123) Ha
8/2/2012 (2231-2318) OIII
8/5-6/2012 (2204-0124) OIII
8/6-7/2012 (2117-0051) OIII
7/30-31/2012 (2338-0006) SII
8/5-6/2012 (2258-0155) SII
8/6-7/2012 (2222-0138) SII
(times overlap because of looping filter use)
Lynds brightness 1 (LBN 548)
Sky Darkness 7
Sky Transparency fair
Moon magnitude 7/30/2012: -12.5
8/2/2012: -12.7
8/5/2012: -11.9
8/6/2012: -11.4, rises 2223
Imaging Telescope C925 @f/10, 3x3bin
Imaging Camera ST-8300M
Acquisition Ha 87x180, SII 68x180s, OIII 74x180s
Calibration dark 30, some cropping on left
Comment Color channels are combined using the
Hubble palette, resulting in a greenish hue.