Image:NGC 7538.jpg
From Wikipedia, the free encyclopedia
Size of this preview: 800 × 518 pixels
Full resolution (2,126 × 1,377 pixels, file size: 225 KB, MIME type: image/jpeg)
| This is a file from the Wikimedia Commons. The description on its description page there is shown below.
|
[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 | |
|---|---|
| Source |
http://www.narrowbandimaging.com/ngc7538_mk1sn2_cm10_geg_s2hao3_page.htm |
| Date | |
| Author |
Richard Crisp |
| Permission (Reusing this image) |
Creative Commons |
[edit] Licensing
  |
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). |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 21:48, 17 October 2006 | 2,126×1,377 (225 KB) | WilliamKF | (== Summary == NGC 7538 [SII] = Red, H-alpha = Green, [OIII] = Blue Taken on September 1, September 4-September 7, and September 16 2006 from res) |
File links
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 file.
| 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 |
