Filter information
The following factors should be applied to equalise SNR to the data for the Clear filter set out above.  Clear = 1.0 B 2.8 Luminance 1.3 SII 16.5 g' 1.7 NIR-L 3.7 V 2.4 Red   2.6 Ha 16.8 r' 1.4 NIR-1 4.1 R 1.8 Green   2.6 OIII 15.3 i' 2.4 NIR-2 6.3 Blue   2.1 NIR-3 6.1 Filter focus offsets, 9 August 2015 (avg. of three readings) (steps: 1000 steps = 1mm) Clear B V R Lum Red Green Blue 0 90 10 -30 -40 -70 -5 60 SII Ha OIII g' r' i' -50 -60 -20 -20 -20 -10 NIR-L NIR-1 NIR-2 NIR-3 170 150 150 0
Hills Observatory: 1 January 2013 to 6 May 2018
COMETS COMETS
DEEP SKY DEEP SKY
 
Settings for MPO Canopus First Order Extinction B V R C 0.630 0.488 0.437 0.452 Transforms & Zero Point B V R C Transform -0.213 -0.038 -0.151 0.727 Zero Point 23.708 23.658 23.676 24.698