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236 ExcellentAbout Nerf_Caching
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Star Forming
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Interests
Geocaching, Airsoft, Stargazing
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Hong kong
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Imaging with a Star Adventurer
Nerf_Caching replied to M Astronomy's topic in Getting Started With Imaging
30 minutes of 45-second subs from Bortle 9 sky using the SA. Scope was a SW Evostar 72ED attached to a Canon 450d (astromod) dslr. I used an Astronomik CLS filter. A very noisy Rosette Nebula but happy so far! -
Wow that's a superb attempt for a first! You might want to consider investing in the Celestron NeXYZ phone adapter as that's what I used for that shot. It supports many different phone sizes too!
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Stacking filtered and unfiltered frames
Nerf_Caching replied to Nerf_Caching's topic in Imaging - Tips, Tricks and Techniques
I stacked the filtered and unfiltered data separately. Each has around 54-56 minutes of integration under Bortle 9 skies. The unfiltered data seems to have less contrast in the Ha signal from the Horsehead. However, it does have more detail in the Flame and surrounding reflection nebulae. Quite an interesting experiment really! -
Nerf_Caching started following Scope for Sky-watcher star adventure, Stacking filtered and unfiltered frames, Starting with Siril and 7 others
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Hi all! Might be a strange question but is it okay to stack raw dslr subs of the same target that were taken with and without a filter? Context is that I normally shoot using an Astronomik CLS clip-in on my modified Canon 450D, but I stupidly forgot to put it in one session. Do I also have to take a new set of flats without the filter on? I'm a bit perplexed about how the color balancing works since the CLS results in a blue color cast in my sub frames. Thanks!
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Search up a guy called "Nebula Photos" on Youtube. He shows you how to use siril to stack photos. I learned to use Siril using his resources.
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Hi all, so I was gifted an iphone 12 for my birthday and I have come to realise its potential in the field of photography. FIrstly, the iphone camera allows wide-field landscape photography and excellent quality video. Additionally, I realised that it had the provision of doing long exposures of up to 30 seconds! One night, I wondered whether it will do any good for stargazing. I used a Celestron NeXYZ phone adapter and a Nexstar 5SE telescope to view the Orion Nebula. What came out of a 30-second exposure surprised me. I wonder if anybody else who owns a 12 has used it for any casual EAA?
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M42 beginners question - Trapezium
Nerf_Caching replied to Peter_D's topic in Getting Started With Imaging
Here is how I ensure the core is not blown out in GIMP. I've illustrated it here with 6 screenshots: 1. Here I have a photo with the core overexposed. 2. This is a layer I've made prior to the top one with a less 'stretched' version showing the core nicely(the bottom layer is just my unstretched photo. I will not worry about that.). 3. Move the less stretched layer in 2. up to the top. 4. Click Layer>Mask>Add Layer Mask. Select 'Black(full transparency)'. After selecting, it should reveal the overexposed layer underneath. Make sure that layer is toggled. 5. Ther -
56 minutes of data on Flame and Horsehead Nebula from Bortle 9 sky. Scope used was SW Evostar 72ED, camera was modded Canon 450d and mount was SW Star Adventurer. 112x30 seconds at iso 800 with CLS filter.
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My attempt at the Orion Nebula under a full moon. I used a modded Canon 450d attached to a Skywatcher Evostar 72ED on top of a Star adventurer. One hour and 14 minutes of data from Bortle 9 skies.
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Nice shot! How long were your individual sub-frames?
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I photographed the Lagoon and Trifid Nebula last summer using a stock dslr and 420mm refractor. Both are emission nebulae and you can clearly see that the red Ha signal is somewhat lacking; it appears more of a pink color compared to red. It still looks nice without a modded camera. Give them a try next year!
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Scope for Sky-watcher star adventure
Nerf_Caching replied to Spacemandan88's topic in Discussions - Scopes / Whole setups
Evostar 72ED is cheaper compared to Z61 but has a longer focal length. Both however are wide-field scopes and speaking from experience, I have had some good photos taken using my 72ED. If you can afford it, go for the z61 but the 72ED is also a decent budget scope. The attached image was taken using a 72ED on a Star Adventurer unguided. The camera was a stock Canon 650d with a clip-in CLS filter. 20.5 minutes of 30-second subs from Bortle 9 skies. -
Imaging with a Star Adventurer
Nerf_Caching replied to M Astronomy's topic in Getting Started With Imaging
Here's what I've done recently on my Star Adventurer, including reprocesses with the help of Topaz AI Denoise(trial). Scope was a SW 72ED and camera was a stock Canon 650d with Astronomik CLS clip-in filter under Bortle 9 skies. Remarkable results even at 420mm focal length with 30-second subs; it really is pushing the mount's capabilities!