Observation by Martin Butcher: Nebulae in Orion
2012 Dec 18 - 00:26
2021 Mar 27 - 16:34
Position angle: -1°30'
24° × 16°
- Meade LX-90 8" telescope fitted to its field tripod by an equatorial wedge.
- LX-90 Periodic Error Correction enabled.
- Dew Removal straps fitted to telescope and camera lens
- Telescope and camera powered by Mains Power.
- Stock Canon 40D with 200mm f/2.8 lens stopped down to f/4
- Telescope driven but unguided
Fourteen sub-exposures each 5 minutes long taken at ISO400.
Isle of Colonsay
Nebulae in Orion