Messier 27 Wide and Deep


Nick Howes

Cherhill, Wiltshire

TMB 105 F6.2
Atik 4000CCD
Astronomik H-Alpha , OIII, SII filters
Meade DSI-c/ST102 autoguider setup
EQ6 mount
Maxim DL DDP processing
Photoshop CS5 final processing/colour blending
10 x 2400s per channel sub frames

The familiar apple core of Messier 27 takes on a whole new shape with these 40 minute (!!) sub frames taken last November under pristine skies in Wiltshire. Using a combination of H-Alpha, OIII and SII filters, with extreme sub frame lengths, the outer shell of the planetary nebula really begins to stand out