| Names |
IC 2497, Hanny's Voorwerp |
| Right Ascension (2000.0) |
09:41:04.1 |
| Declination |
+34:43:58 |
| Constellation |
Leo Minor |
| Redshift (z) |
0.050221 +/- 0.000133 |
| Heliocentric Radial Velocity |
15056 +/- 40 km/s |
| Distance (esteem) |
660,000,000 light years |
| Date (DD/MM/YYYY) |
13-19/02/2015 |
| Exposure time |
16,500 seconds (11 x 1500 exposures) with binning mode 1 x 1 and AO-7 |
| CCD Camera |
SBIG ST-8XE |
| Telescope |
Meade Instruments Schmidt-Cassegrain 14" LX200 GPS OTA on 10 Micron GM2000 HPS Mount |
| Focal length |
3556 mm |
| Diameter |
355.6 mm |
| Focal ratio |
10 |
| Field of View |
13.3 x 8.9 arcminute |
| Original scale |
0.522 arcsecond / pixel |
