Cometary Globule CG4
The image from the Blanco 4-meter telescope was taken in four filters, three of which are for blue, green and near-infrared light. The fourth is designed to isolate a specific color of red, known as hydrogen-alpha, which is produced by warm hydrogen gas.
Credit:T.A. Rector/University of Alaska Anchorage, T. Abbott and NOIRLab/NSF/AURA/
About the Image
| Id: | noao0608a |
| Type: | Observation |
| Release date: | March 8, 2006 |
| Related releases: | noao0608 |
| Size: | 4000 x 2666 px |
About the Object
Image Formats
Wallpapers
Coordinates
| Position (RA): | 7 34 14.09 |
| Position (Dec): | -47° 4' 49.74" |
| Field of view: | 32.88 x 22.07 arcminutes |
| Orientation: | North is 0.5° left of vertical |
View in WorldWide Telescope:
Colors & filters
| Band | Wave-length | Tele-scope |
|---|---|---|
| Optical B | 438 nm | Víctor M. Blanco 4-meter Telescope Mosaic II |
| Optical V | 538 nm | Víctor M. Blanco 4-meter Telescope Mosaic II |
| Infrared I | 820 nm | Víctor M. Blanco 4-meter Telescope Mosaic II |
| Optical Ha | 657 nm | Víctor M. Blanco 4-meter Telescope Mosaic II |