NGC4725, NGC4712 and NGC4747 Galaxies
|
NGC4725 |
|
 |
Object |
| Type |
Spiral Galaxy |
| Constellation |
Coma Berenices. |
| Distance |
45,000,000 - 57,000,000 ly |
| More
Info |
|
|
Image |
| Date |
21 Mar 2015 (Winter) |
| Place |
Little Blair Valley, Anza-Borrego Desert, CA |
| Exposure
Data |
LRGB 90:40:40:40 mins @ -25C
Lum 9x10 (bin 1x1), R 4x10, G 4x10, B 4x10 (bin 2x2) |
| Notes |
NGC 4725 (center), NGC4712 (lower left), NGC 4747 (upper right)
|
|
Equipment |
| Optics |
DSI RC10C Corrected RC Astrograph |
| Focal
Length |
1867mm @f/7.3 |
| Mount |
Astro-Physics 900GTO |
| Camera |
FLI ML-6303E |
| Focuser |
Built-in Secondary Focuser |
| Filters |
FLI CFW2-7, Astrodon Gen 2 LRGB |
| Software |
MaxIm DL, CCDStack, Photoshop |
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