Image:NGC 7538.jpg

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[edit] Summary

NGC 7538 [SII] = Red, H-alpha = Green, [OIII] = Blue

Taken on September 1, September 4-September 7, and September 16 2006 from residential backyard in Castro Valley, California.

 Stinger 450 Classical Cassegrain (18" f/12.6)

Lumicon Giant Easy Guider with Focal reducer for final: F= 3366mm, f/7.1

Finger Lakes CM10 MaxCam imaging camera operated at -20C

Robofocus

Finger Lakes CFW1 Filter wheel

SBIG ST7E guide camera

Custom Scientific 3nm FWHM Ha filter (50mm diameter)

Custom Scientific 3nm FWHM [OIII] filter (50mm diameter)

Sixteen exposures of 30 minutes through Halpha filter

8 exposures of 30 minutes through [OIII] filter

Sixteen exposures of 30 minutes through [SII] filter

Twenty hours total exposure time

Description

NGC 7538
Source

http://www.narrowbandimaging.com/ngc7538_mk1sn2_cm10_geg_s2hao3_page.htm
Date

September 1, September 4-September 7, and September 16 2006
Author

Richard Crisp
Permission

Creative Commons

[edit] Licensing

Creative Commons License
Creative Commons Attribution icon		 This file is licensed under Creative Commons Attribution 2.5 License
In short: you are free to distribute and modify the file as long as you attribute its author(s) or licensor(s).

The following pages on the English Wikipedia link to this file (pages on other projects are not listed):

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified image.

Width 2126
Height 1377
Compression scheme Uncompressed
Pixel composition RGB
Image title Processed with MaxIm DL
Orientation Normal
Number of components 3
Horizontal resolution 300 dpi
Vertical resolution 300 dpi
Data arrangement chunky format
Software used Adobe Photoshop CS2 Windows
File change date and time 09:22, 17 September 2006
Color space 65535
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