NGC 891 - Edge-on Spiral Galaxy in Andromeda


Copyright 2005 Hap Griffin

NGC 891 is a fine example of a typical spiral galaxy as seen edge-on.  The equatorial dust lane and the central bulge are very obvious in this photograph.

NGC 891 lies at a distance of 8.9 million light years.

Date/Location:    October 29, 2005     Griffin/Hunter Observatory    Bethune, SC
Instrument:    Canon 350D (modified IR filtering) Digital SLR through 10" Meade RCX400 
Focal Ratio:   f8
Guiding:    Auto via SBIG ST237 through Orion ED80 refractor
Conditions:    Visually clear
Weather:    45 F
Exposure: 65 minutes total (13 x 5 minutes @ ISO 800)
Filters:    Baader UV/IR block
Processing:    Focused and captured with DSLRFocus.  RAW to TIFF conversion, auto-dark and flat frame calibration, Digital Development, Richardson-Lucy deconvolution, resizing and JPEG conversion in ImagesPlus.  Color correction in Photoshop 6.  Noise reduction in Neat Image.