NGC 7538
Diffuse Nebula in Cepheus

Click image for a larger view

Next to it's more popular neighbor NGC 7635 (Bubble Nebula) NGC 7538 is located in the constellation Cepheus. Within its center are 2 Mag 11 stars which cause the nebula to glow reddish. It is home to one of the largest protostars known. A protostar is a cloud of dense hot gas and dust collapsing under it own gravity to form a star. More of NGC 7538's protostar can be found here

Location & Date Backyard, Abbott Observatory - Aug 27 & Oct. 31, 2008
Telescope TMB 130SS Refractor, F/7 on a Losmandy G11, Prime Focus, Image scale 1.68 arcsec/pixel
Camera SBIG ST-2000XM w/CFW8, AO8
Astrodon Tru Balance Filters
CCD temp -15C
Exposure Times (L) 10 x 10, (R) 8 x 10, (G) 3 x 10,(B) 4 x 10 Minutes, Bin 1x1
Other Information Image acquisition/focus/guiding/dither - CCD Autopilot w/CCDSoft
Focus - Moonlite Motorfocus w/FocusMax

Image Processing * Images Plus 3.75beta - Calibration, Normalize, Grading, Alignment, Min Max Average Combine, Van Cittert Deconvolution, mild DDP
* Adobe CS - RGB blend into Lum, Levels, Curves, Sharpening, Cropping, NR, JPEG conversion

© 2008 Michael A. Siniscalchi