M57

Planetary Nebula in Lyra

Planetary Nebula

M57 - Planetary Nebula - North is to the Left
Date: Jul 22, 2008 Time: 03:00 CDT Location: Haltom City Tx
Instrument: 253mm f/9 RCOS RC Mount: AP1200GTO Guiding: Internal Guider
Extra Hardware: None Seeing: Fair Transparency: Fair
Camera: ST-10XME Filter Wheel: Internal Filter: AstroDon LHaRGB
Exposure: 3 x 300 Seconds Camera Control: MaximDL 4.11 Processing: Sigma Reject Combine, PS CS
Image Center: RA 18h 53m 35s, Dec +33d 01m 47s, Pos Angle +78d
Effective Focal Length 2265 mm ~.62" per Pixel
Notes: Clear and Calm. Temp ~ low 80's