Recently someone posted a topic to ask about safe sources to download data to practice processing. As a new astrophotographer I am getting a lot from this forum and sadly cannot (yet) contribute much so I came up with this idea to give something back.
I am sharing data for anyone to download and practice with. In return I only ask the following:
About number 2. This is the whole point here. My hope is that everyone who processes this data will share their results and processing workflow so a discussion about it can be had where we are all using the same data making it easier to compare the results.
This could be extremely beneficial for beginners (like me) but I am sure experienced astrophotographers might also lear of few tricks if a good discussion follows.
About the data. This is a set of images of NGC-7822 that I captured over 3 nights using a ZWO ASI533MC Pro with a Samyang 135mm lens, a Optolong L-Enhance filter with an Asiair Plus, Autofocuser and Autoguiding. All shots were taken at -20 degrees celcius.
If you download it you will get (all fits files):
If you wondering how good the data is ? Well it's far from being perfect, 2 of the 3 nights had a 50% moon so there is gradient. None of it has been processed in any way nor has it been blinked to remove bad frames, some of them are partially or fully covered with clouds. It is just as it would be if you were just pulling it out of your own camera.
So here's the link, let's have a little and an instructive discussion: https://drive.google.com/drive/folders/1DEraKNJQtdFM-3MePIbGLovAFaiZ94I6?usp=sharing
I am sharing data for anyone to download and practice with. In return I only ask the following:
- Post a reply here if you download it so I know it is being used.
- Upload your result here on Astrobin and post a link and your processing workflow back here.
- If you post your results anywhere else or share the data please give me and Astrobin proper credits by specifiying the data was originally shared by Eric Gagne on Astrobin.
About number 2. This is the whole point here. My hope is that everyone who processes this data will share their results and processing workflow so a discussion about it can be had where we are all using the same data making it easier to compare the results.
This could be extremely beneficial for beginners (like me) but I am sure experienced astrophotographers might also lear of few tricks if a good discussion follows.
About the data. This is a set of images of NGC-7822 that I captured over 3 nights using a ZWO ASI533MC Pro with a Samyang 135mm lens, a Optolong L-Enhance filter with an Asiair Plus, Autofocuser and Autoguiding. All shots were taken at -20 degrees celcius.
If you download it you will get (all fits files):
- A master dark
- 25 Flats
- 25 Dark Flats
- 172 five minutes exposures
If you wondering how good the data is ? Well it's far from being perfect, 2 of the 3 nights had a 50% moon so there is gradient. None of it has been processed in any way nor has it been blinked to remove bad frames, some of them are partially or fully covered with clouds. It is just as it would be if you were just pulling it out of your own camera.
So here's the link, let's have a little and an instructive discussion: https://drive.google.com/drive/folders/1DEraKNJQtdFM-3MePIbGLovAFaiZ94I6?usp=sharing