| IMAGE INFORMATION |
OBJECT INFORMATION |
| Telescope |
Epsilon E160 on AP Mach1GTO |
Designation |
M81 |
| Focal Length |
F/3.3 528mm |
Position |
RA 9h 56m DEC 69* 2' |
| Guiding |
SX Guide head thru eFinder |
Type |
Galaxy |
| Control |
MaximDL |
Magnitude |
8.5 |
| CCD Camera |
Starlightxpress SXV-H9 |
Size |
21 arcminutes |
| Image Scale |
2.44 arcsec |
Distance |
12 million light years |
| Filters |
Astronomics type II RGB |
Constellation |
Ursa Major |
| Exposures |
9 x 5 min Lum 1x1, 6 x 4min ea RGB 2x2 |
|
|
| Calibration |
Flats, Bias only |
|
|
| Software |
MaximDL, Photoshop CS2 |
|
|
| Date |
Texas Star Party 2008 |
|
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NOTES:Very dark but poor seeing due to high daytime heat.
|
