| IMAGE INFORMATION |
OBJECT INFORMATION |
| Telescope |
Epsilon E160 on AP 900GTO |
Designation |
M101 |
| Focal Length |
F/3.3 528mm |
Position |
RA 14h 3m DEC 54* 21 |
| Guiding |
Internal guide chip |
Type |
Galaxy |
| Control |
MaximDL |
Magnitude |
7.7 |
| CCD Camera |
Sbig ST2000XM |
Size |
27 x 26 arcminutes, 118,000 LY Dia |
| Image Scale |
2.89 arcsec |
Distance |
15 million light years |
| Filters |
AstroDon Gen 2 LRGB |
Constellation |
Ursa Major |
| Exposures |
13 x 5 min Lum 1x1, 8 x 4min ea RGB 2x2 |
Image |
|
| Calibration |
Flats, bias, darks |
|
|
| Software |
MaximDL, Photoshop CS2 |
|
|
| Date |
Texas Star Party May 2010 |
|
|
NOTES:Very dark skies but poor seeing.
|
