SingAstro

2011.11.22 DMK21AU618 + C11HD@F30，80% resize

Mount: SkyWatcher Heq5 Pro Telescope: SharpStar AL-106II @ F5 Guide: QHY5 + Maxim DL Imaging Camera: Canon XSi(Baader Filter modified) Lights: 14x600s+10x120s+20x30s @ ISO 800 per frame(3 hour 20 minutes total) Calibration: Darks,Flats,Dark Flats,Offset/Bias Imaging: DeepSkyStacker+Photoshop CS5 Tha...

Reprocessed (Full) Previously (Full)


Reprocessed(Part) Previously (Part)


Canon 450D(Baader Filter)

Mount：SkyWatcher Heq5 Pro
Telescope：SharpStar AL-106II@F5
Guide:：QHY5 + MDL
Camera：450D(Baader Filter modified)
Total Exposure： 3h20m
Imaging：DSS + PS CS5

It could be an artifact from stacking. If you are experiencing excessive movements from frame to frame, stacking registration may focused on the main globe while missed out on the outer regions. Try stacking with fewer frames and see if this will go away. :P i use single frame could observe similar...

Gary wrote:Welcome to Singastro! Nice Jupiter. Can see the 2 "eyes" clearly. May I know when and where is this photo captured? C11HD....drools....

some time ago

Its an 80s exposure. I would think that satellite is moving much faster than Jupiter is rotating? :) will it be due to moving too fast? it shall not be the case. it shall be any big issue, if with in 120s for shooting Jupiter i guess it could relate with Optical Axis. any one come cross this issue ...

C11HD + 2x
Mount:NEQ6
Caputer:QHY5 @50fps 80s
Process Soft: Registax

it seems the satellite of Jupiter not round enought. and i have no idea why is that so -0-