|
Technical Data
|
| Optics |
Takahashi FS-128 Apochromatic
refractor |
| Focal Length |
770 mm |
| Focal Ratio |
f/6 |
| Exposure Time |
1 - 45 min. & 1 - 30 min. & 1 - 7 min. exposures |
| Film |
un-hypered 35mm Elite Chrome 200 slide film |
| Scanning data |
Scanned by Kirk Rogers on Nikon Super Coolscan 8000ED, 3000 dpi resolution in 8-bit mode |
| Processing |
Enhanced in Adobe Photoshop 6.0, The 30 min & 45 min. exosure were stacked using Picture Window Pro 3.1 the 7 minute exposure was used to mask the core area. I then performed a Unsharp masking technique by Jerry Lodriguss |
| Location |
Berkshire, New York |
| Date of exposure
start |
2/27/2003 |
| Mount |
Mountian Instruments, MI-250 NON=GOTO |
| Tracking |
ST4, A1 - A4 average error |
| Temperature |
11F |
| Notes |
Hazy sky conditions, Distance: 1500 Ly |
