[Jasp05 (Aaron)]

Hi guys,

I have recently modded my Canon 550D and thought I would post here with some images of before and after.

With my mod I only removed the LP2 filter and left the LP1 intact. This has resulted in some UV/IR bloat but it's not too bothersome in my opinion. The ED72 produced some blue halos on the brighter stars before the mod anyway.

Down the track I may get a filter for this but I can deal with this for now.


All images taken through my Skywatcher ED72 (Brilliant scope for the price IMO) on a HEQ5Pro.

Note the difference in exposure times between the images also. Taken from light polluted skies in my backyard. Only 5 darks applied to images after the mod. Battery died at the end of the session. I think 20 or so dark's applied to before Mod images. No flats applied to either of the before or after images.

M42 - Before Mod - 317 x 60 sec @ 800 ISO
M42 - After Mod - 41 x 60 sec @ 800 ISO

Eta Carinae - Before Mod - 56 x 60sec @ 800 ISO
Eta Carinae - After Mod - 33 x 60 sec @ 800 ISO