One of the objects in the sky I do like to image is the Orion nebula (M42), particularly at this time of year in winter. This will be an interesting object to image particularly when it gets higher into the sky. I am hoping to have more opportunity to do this in the future, as collecting more data will enable me to get even more detail from this subject.Again the images were shot using my full-spectrum Olympus E-PL5 using 2″ Astronomik CLS-CCD filter to control light pollution and Skywatcher ED80 refractor mounted on the iOptron ZEQ25. No guiding was done so images were shot as 1 minute subs.
As you can see, a single sub below already reveals a fair amount of detail from this nebula – this was an unstretched image. But combining even 4-5 images in Deep Sky Stacker already brings out much more detail. Sadly the clouds started to come in and I had to abort the imaging session. But certainly with the gathering of more data, I should be able to get an even better image.
Now recently while tinkering with the iOptron ZEQ25 indoors, I noticed that the eyepiece tray which also acts as the leg spreaders for the tripod was actually quite loose and not holding the legs apart firmly. Also, it became clear that I did not have the RA and DEC lock nuts as tight as I should – now that this is rectified, it should help further with the stability of the mount and hopefully allow for even longer unguided imaging.
I do note that there is some coma in the corners of the images, but I do have the Astro-tech field flattener which I will use in the future to correct for this.