| Designation |
Messier 100 (NGC 4321
)
|
| Type | Face on spiral galaxy -Type SAB(s) bc I |
| Constellation | Coma Berenices |
| Coordinates | Telescope centered at RA '12 22 37' - Dec '+ 15 53 21' |
| Magnitude | 9.3 |
| Size | 1300,000 light years across its spiral arms |
| Distance | 65-70 million light years |
| Dimensions | 6.2 x 5.3 arcminutes |
| Image Field | 15 x 19 arcminutes |
|
Notes:
|
Located in the Coma-Virgo Galaxy Cluster. It's apparent magnitude is -22.5, which means it shines with the brilliance of approximately 83 billion suns! |
|
|
| Telescopes | Meade 10" LX200 f/10 on Losmandy G-11 with Gemini L3 |
| Focal Length | 1575 mm @ f/6.3 |
| Guiding | SXV guidehead through Takahashi FS60C @ f/5.9 |
| Telescope Control | Maxim DL (V3) |
| CCD Camera |
Starlight
Xpress SXV-H9 - USB 2 ExView progressive scan
1392 x 1040 (6.45 uM)
pixel array (8.98 x 6.71 active area)
|
| Image Scale | .88 arcsec/pixel |
| Filters |
1.25"
Astronomik Type II Dichroic IR blocking filters in Astronomik filter
drawer - Clear, Red, Green, Blue
|
| Exposures |
170 minutes total: Luminance
80 minutes (12 x 5, 10 x 2) unbinned, Ha 30 minutes (6 x 5) unbinned,
R,G,B 20 minutes (5 X 4) each binned 2x
|
| Calibration | None |
| Processing Software | Maxim DL, Photoshop CS (8.0) |
| Location | Chiefland Astronomy Village, FL - 29.393 N , - 82.863 W |
| Date/Time | 04/19/04 / '06:28' - '09:39' UT |
