| Object Data |
| Description |
M57 is a distinct and easy to find planetary nebula.
Its central white dwarf star is not visible in scopes smaller than 24
inches. |
| Constellation |
Lyra the Harp |
| Right Ascension |
18h 53m 43s |
| Declination |
+33° 2' 1" |
| Magnitude |
9.7 |
| Angular size |
1.2 arcminutes |
| Distance |
500 parsecs (1,620 light years) |
| Radial Velocity |
-19.2 kilometers per second (approaching) |
| Image Data |
| Photographer |
Fred Lehman |
| Main Scope |
Meade 14" LX200GPS @ f/10 (3556mm) |
| Guide Scope |
Celestron 5" SCT @ f/7.5 |
| Guide Camera |
SBIG STV |
| Imaging Camera |
Starlight Xpress MX7C |
| Resolution |
780 x 580 @ 0.5 arcseconds per pixel |
| Exposure |
Five exposures of four minutes each. Aligned,
stacked, and processed with AstroArt. |
| Date |
April 15, 2004 |
| Location |
Area 51 in Big Cypress National Preserve in central
South Florida. |
