Jupiter, Orion, Cassiopeia & Ursa Minor
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By alexbb
This is another finished target for this season.
I (quite) recently bought a TS Photoline 102 ED with FPL53 which performs surprisingly well for a doublet. So I put it to tests and imaging, in parallel with an older FPL51 AstroProfessional 102 ED doublet.
The blue color correction is much better in the newer TS. I shoot luminance often with both and then take the highlights from the better scope.
For this image I also used some older data that I had available, shot with a 130PDS, but that maybe only made my life more difficult. Not that otherwise I shot data through the refractors in a single panel with reducers/correctors, but also in 2 panels with no reducing correctors. Same about the RGB. Some shorter exposures from the backyard, some from a dark site, most of the G data from a dark site, B and R from home (clouds came in at the dark site) and a lot of other adventures.
But in the end I managed to put them all together and made an image out of them.
You can watch it in full resolution and see other details on astrobin: Great Orion Nebula
Clear skies!
Alex
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By Daniel Valencia
Hi Guys!
My name is Daniel and I am from Ecuador, I love astronomy and the secrets our universe holds. I love Jupiter, our big brother, so I opened this forum to talk about facts, secrets, theories, etc. About our gas giant!
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By MarsG76
The Witch Head Nebula, aka IC2118 & NGC1909 in the constellation Orion, near the star Rigel.
This object is very large in the sky, being 3°×1°, so I had to use my smallest telescope to deliver the wide angle and low power needed to image all of the "Witches" profile.
This is a very difficult object to image using a DSLR, and a dark sky is needed to capture it in it's full glory. I thought that I'd give it a go with my DSLR, and see what I end up with... I'm happy that the end result in my image shows the shape of the "Witch Head" but I think that the overall image will not be winning any awards.
This image has been exposed through a 80mm refractor @ 500mm FL, using my cooled and full spectrum modded DSLR for a total exposure time of 12 hours and 34 minutes, in a semi-rural, Bortle 5 (maybe 4) sky.
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By MarsG76
I managed to bag another object, this time the reflection Nebula M78 in the constellation Orion.
I was planning to capture natural color subs than add some HAlpha and OIII narrowband data to emphesize the image details and reveal deeper matter, but after processing the OSC/RGB subs, I decided that adding the narrowband data is not necessary.
This image was taken across two nights (juggling clouds), 6th and 11th February, and I managed to capture 3 hours and 18 minutes worth of useful subs (21x60 sec, 19x120 sec, 18x180 and 17 x 300 second subs).
The telescope used was a 80mm refractor, at 500mm FL using my full spectrum modded and cooled 40D DSLR.
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By MarsG76
Hello all,
I managed to bag another object, this time the reflection Nebula M78 in the constellation Orion.
I was planning to capture natural color subs than add some HAlpha and OIII narrowband data to emphesize the image details and reveal deeper matter, but after processing the OSC/RGB subs, I decided that adding the narrowband data is not necessary.
This image was taken across two nights (juggling clouds), 6th and 11th February, and I managed to capture 3 hours and 18 minutes worth of useful subs (21x60 sec, 19x120 sec, 18x180 and 17 x 300 second subs).
The telescope used was a 80mm refractor, at 500mm FL using my full spectrum modded and cooled 40D DSLR.
Clear Skies,
MG
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