Rosette nebula

Imaged from Singapore on 15 January 2005


Sky90, field flattener, SBIG ST8, mounted on AP600EQMD

All images unguided, 3 minutes

L Bin 1x1 : 60mn

R, G, B Bin 2x2 : 30mn


... special guest star ... Asteroid 909 Ulla, a 116 km object, about 500,000,000 kilometers away


This is a close up in black and white, three single shots through each filter, red, green and blue at 45 minutes interval