This is the last mono version I will do with this data - This is 27x1800s in Ha on the Crescent nebula. The nebulosity around the main target has come out well and the crescent looks nice and detailed.
I may well continue to get some more data on this in Ha - But will be looking at making a start on the OIII soon to make a bi colour image.
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This is where I am at so far with NGC4565. This is 16x1800s so far of luminance data. It's not coming up too badly for sure, but I do want a lot more luminance data to really get those dust lanes popping.
I've just checked out my last galaxy image and there was 54x1800s of luminance in M101. I'm not sure I'll get that far, but I will get more than I have here. Keep an eye out and see how this develops. 7x1800s of the Crescent nebulaI know that it seems that I am always starting something new, but there's method in my madness..... honest!
As you can see there's some fantastic nebulosity already showing in the area around the crescent. This is taken with the Mesu 200 mount, ODK10 and QSI683 with a 3nm Ha Astrodon filter. While I would love to continue with the Ghost and the Needle galaxy, as they are LRGB targets and the moon is about, then I need to go to narrowband. This is the Crescent nebula that I've always wanted to attack with a longer focal length. This is the start of a longer term Ha and OIII project which I am really looking forward to. This is only 7x1800s at the moment, so very noisy and much more data needed. 15x1800s of the Ghost nebulaVery much still in it's early stages...... this is a total of 7.5 hours of data on a very faint target..... When there's this little data it really needs to be pushed to show up. 5x1800s of NGC45652.5 hours of data - Masses more required....not enough to even remove the satellite trail that you can see going across the frame!
I can see both of these carrying over to next year. I think if I can get all the luminance this year, then the colour can wait for a while!! More data to add to M101 - This is 42x1800s totalling 21 hours. I think I'm looking at getting about 30 hours in total in luminance.
As it's galaxy season, it's only right to attempt something with the ODK10 that I've not only done before, but something that is a bit of a frame filler. M101 fits the bill and this is the start of the image 9x1800s exposures in luminance. Loads more data required!! This is a target I have wanted to do for years with a longer focal length. This is VDB141 or the Ghost nebula. It is only 5x30m exposures and already in that 2.5 hours the ghost is starting to show.
This is going to be really long term as I want only the best data and lots of it. Because it's not narrowband data it is very much affected by the moon, so once that is out (however small) then this data will not be added to. |
AuthorSara Wager is an astrophotographer with published articles and images to her name Archives
April 2020
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