Object | |
Description: | The Butterfly Nebula in Emission-Line |
Type: | Nebula |
Constellation: | Cygnus |
Distance: | 5,000 ly |
Image | |
Date: | September 6, 2007 |
Location: | Carlsbad, CA |
Exposure: | Ha 8x15 (bin 1x1) |
Equipment | |
Optics: | Takahashi FS-60C Refractor |
Focal Length: | 354mm @f/5.9 |
Mount: | Astro-Physics 900GTO |
Camera: | SBIG ST-2000XM |
Focuser: | Robo-Focus |
Filters: | CFW10A, Astrodon 6nm Ha |
Software: | CCD Commander, Maxim DL, CCDStack, Photoshop |