| Object: Abell 78 - planetary nebula Telescope: COMELLAS telescope (250 f/8.3 Newton). Lumicon 1.8x multiplier/corrector. Camera: Artemis ART4021. IDAS, Baader & Astronomik filters. Exposures: Oiii: 39 x 1800" ( 19:30 ) Ha: 5 x 1800" ( 2:30 ) R: 6 x 900" ( 1:30 ) G: 6 x 900" ( 1:30 ) B: 6 x 900" ( 1:30 ) Resolution: 0.73"/pixel Guiding: MX716 on Off-Axis Guider Date: 24 Oct - 27 Nov 2008 Site: Sagan Observatory Las Rozas (Spain) - mag 4.5 suburban skies - |
Processing: Bias, Darks & Flat calibration SDMask combining Curves adjust and deconvolution LRGB: L (Oiii-Ha); R (R-Ha); G (G-Oiii); B (B-Oiii) Software: MaximDL, PixInSight , PhotoShop CS3 |