Now with some experience with 2 different cameras on the same telescope, I can see how these different setups have different field of view and it can affect the framing of images. The cameras in this comparison are Nikon Z6, a full frame DSLR with 6048x2024 pixels and ZWO ASI533MC-PRO, a dedicated … read more

Another attempt at capturing Rosette nebula. This time I was able to get about 2 hrs of exposure instead of 20 mins for the first try a few days ago. There was also enough time to shoot calibration frames - darks, biases and flats. It is so easy to use these calibration frames in Siril. This allowed … read more

I so wanted to capture this for a long time. Last night I set up everything but clouds rolled in in about 20 minutes. That is why it is so noisy. Needs more time. Also, it was such a short exposure, I didn’t bother with calibration frames. This nebula is about 5200 light years away and is huge. The … read more

Orion is my most favorite constellation and my most favorite deep-sky object is the Horsehead nebula. It is a dark nebula with background of bright ionized hydrogen gas. With many bright stars especially Alnitak, in the vicinity, it is a challenging object to capture. It is even more beautiful in … read more

January has been a very cloudy and rainy/snowy month. On a couple of clear nights, there was a big bright moon making it hard to do any deep sky imaging. Finally, last week, we had a clear dark night. I was able to capture two different images in the Orion constellation. Orion and Running man … read more