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Old 04-03-2014, 12:02 PM
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Paddy (Patrick)
Canis Minor

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Join Date: Jun 2007
Location: Strangways, Vic
Posts: 2,209
Camera for Ha solar imaging

This will really get Niko laughing, but...

After putting Malcolm Barker's DMK 41 on my ED80 with Lunt 50mmHa filter and B1200 at Snake Valley I am now contemplating putting a camera on this scope for solar imaging. I've been looking at the ZWO ASI 103MM mono CMOS camera which has a 6.66 mm x 5.32mm imaging area and 5.2x5.2 micron pixels.

I reckon I still won't be able to get the full disc in one shot with the 600mm focal length of my scope so I will have to use a reducer or do a mosaic for full disc images.

Questions:

Will a 0.5 focal reducer have a significant impact on image quality
Compared to the DMK 41 the pixel size of the ZWO is a bit bigger 5.2x5.2 vs 4.65x4.65. Is this likely to be reflected in significantly poorer image quality?

What I like about the ZWO is that the sensor is bigger than the DMK 41 and the price about half.

Thanks for any thoughts
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