A two-hour session from midnight to 2am on a rare clear night. ISO of 1600 on my canon 450d unmodded and 37 shots all 3minute long. Guided with PHD2 using multi-star guiding.
Sunday, 18 April 2021
Wednesday, 7 April 2021
Saturday, 13 March 2021
Thursday, 4 February 2021
Another nice batch of images from this simple setup all taken at an ISO 16000 50sec each and about 60 or 30 lights depending on the subject stacked with 30 darks flats and bias.
I am using APT and Cartes du Ciel together at the moment to control the mount and camera but I must say I am tempted to try out NINA as it looks very good.
Thors Helmet Nebula
Sunday, 24 January 2021
A few more clear nights and I was able to get out and do a bit more imaging with my current set up still not got a guide camera yet but that will come later on.
All images were taken unguided with a canon 450d on my skywatcher eq5 pro with a skywatcher 200p being controlled by Astrophotography tool and hooked up to my laptop using an EQdirect cable to my mount.
Rosette Nebula 50sec ISO 16000 x 65 with 30 darks flats and bias Canon 450d
Current Equipment for Astrophotography
Telescope and mount: Skywatcher 200p and EQ5 Pro mount Connected to PC with eqdirect cable that bypassed the use of the hand controller and powered by a mains adapter
Camera: A Canon 450d with 10ft long cable that connects to pc and is controlled by software. Software used: Astrophotography Tool APT, Cartes du Ciel Planetarium, Ascom platform & EQmod
Friday, 22 January 2021
Well is it worth it?
Another frustrating session taking a mosaic of the Rosette Nebula. I thought I had solved the issue of the frames not lining up but once it was all connected to my mount nothing lined up again so its back to the drawing board I guess but I decided to line the mosaic frames up manually which at least got me enough frames to stack them and have something to try out.
Only ten images for each of the four frames which were 50 secs long and an ISO 16000. This gave me enough to work with but with no guiding in place, longer exposures are not going to happen. The other big problem you face when doing this with a DSLR is the gradients you get on the edge of your frames and also how to process them all.
When I put them together I got the following which is very hard to process successfully so I must conclude that yes this can be done if you are willing to work hard at your processing and stitching the images together but overall my feeling is its not worth the hassle unless you're using a very good camera that gives you nice clean images with no gradients and noise to deal with.
As for the problem of the mosaic frames not lining up I might try and solve that later on or just stick to single images while using a DSLR for the time being.
Individual frames put side by side then processed as one image