I have gotten feedback from several people that the 'Stars + Comet Stacking' method is not giving them good results with a colorless comet and/or artifacts like star trails. I've read that this may have to do with the consistency of the background level in the photos being stacked. If that method is not working, I suggest trying "Comet stacking" and "Standard stacking" separately, and combining the two images in Photoshop. To make the 'comet only' stack cleaner be sure to use 'kappa sigma clipping' in the lights tab. However you will likely still have to do some cleanup in Photoshop. I also failed to mention that if you hold the shift key you can manually pick the comet position when it doesn't lock on automatically. Sorry for any frustration from these oversights! Feel free to comment any further suggestions, and good luck!
@雨宮雄平
Жыл бұрын
Could you post a video for "cleanup" part? That's the most difficult and important one.
@pietroalessandrini
Жыл бұрын
In DSS instead of skipping the frame when you can't lock onto the comet you can just hold shift to freely move the selection box around the image and position it on top of the comet
@NebulaPhotos
Жыл бұрын
Good tip! I forgot about that.
@pietroalessandrini
Жыл бұрын
@@NebulaPhotos No problem, great tutorial! KZitem was kinda lacking a nice and clear comet tutorial, so this video is very welcome. Quick question: why did you only choose about 60 images to stack? Was it not to blur the details in the tail too much?
@NebulaPhotos
Жыл бұрын
@@pietroalessandrini Yes, mostly for that reason. I've noticed some of the best comet imagers, tend not to use more than an hour of data. Also, I was running short on time to get this video out so I didn't want to experiment too much with different amounts of photos to stack. Now that it's out, I will experiment more with processing as I have over 2 hours of usable data.
@geldingmakr
Жыл бұрын
@16:38 I came to say the same thing about holding shift to move over the comet freely if it doesn’t snap. Thanks 👍
@arpadjakab-peter5431
Жыл бұрын
you saved me! Thanks
@woody5109
Жыл бұрын
I’ve seen hundreds of versions of this comet and yours is by far best, thanks for sharing.
@andromonite506
Жыл бұрын
I always wondered how to stack those images properly!
@azrayastrophotography2260
Жыл бұрын
Thanks for the processing video on the comet. I captured it but wasn't sure how to process the subs. I really appreciate all the info.
@evrybodyjam25
Жыл бұрын
Very excited, I'll use your tips if I can get clear enough skies for it here!
@timmyfingaz100
Жыл бұрын
Perfect timing, just eating before heading out and noticed this video!! Thanks Nico!
@HelenasAstrophotography
Жыл бұрын
Superb, Nico!! Stunning shot.
@THansenite
Жыл бұрын
Thank you for this timely video! I was planning to go out and photograph ZTF tonight so I'll be watching this again (maybe several times) before I head out for my imaging session.
@toneywilson2350
Жыл бұрын
I was hopeing you was going to do this video.
@MrWilsonsChannel
5 ай бұрын
You're a steely eyed missile man! I got so many great photoshop tips from this. I love the feather and density trick for making smooth selections. Adding that to my arsenal for sure. I'm definitely going to try your trick for removing gradients. I've been using the same technique to align the rgb channels, but I didn't know you could display all three channels simultaneously in the histogram panel like that. I've just been eyeballing it. Thanks again! :)
@philkidd
Жыл бұрын
Brilliant work Nico! I learn so much from your videos! Home you’re doing well my friend (clearly you are!)😊
@adamcurtis2072
Жыл бұрын
I don’t have a tracker and use my sigma 150-600mm for the comet. So I have to take 1.6s exposures to avoid trailing and so for any real detail like what you got that means I would have to take about 1,800 pictures 😅 I’ve already attempted one stack with 500….selecting the comet in each frame for 1800…ugh I’m not looking forward to that part 😂 - but THANK YOU for your videos and this one as well as I have learned so much about astrophotography and loving it, especially since I learned from your videos I don’t necessarily need a tracker
@eaglekepr
Жыл бұрын
If you haven't already slogged through all those frames, you can sort your light frames by time and select the comet in the first of the sequence and the last of the sequence, and DSS will figure out the rest of the frames for you. If there are any pauses or breaks in the sequence (repositioning/refocusing the camera, unchecking or deleting a bad frame) you'll need to select the comet in the frames on either end of the break as well.
@mistaskate8715
Жыл бұрын
Great stuff as always! I would love to see another part with the process in siril (and gimp if necessary) if you got the time! 😊
@NebulaPhotos
Жыл бұрын
Here you go: kzitem.info/news/bejne/u2Of16logpOFh4o :)
@juancaamano
Жыл бұрын
Hey Nico, hey everyone! Already liked and ready to learn
@briankotak403
Жыл бұрын
Excellent tutorial Nico. Thanks so much. Congratulations on both the physical move to NH (hopefully you don’t have to lug your rig down 3 floors anymore) and on the big step to do this full time! Congratulations! I imaged the comet last week and now have to due the processing. Perfect timing from you! Dr B from Manitoba, Canada 🇨🇦
@d.fresh.750
Жыл бұрын
Great tutorial Nico! I'll be saving this to refer to later!
@mariannesigal1532
Жыл бұрын
I was hoping for this video! Thank you!
@JonDenver
Жыл бұрын
Great video as always! FYI, If DSS won't lock on the comet, you can just hold the shift key while you manually place it. Clear skies!
@hymanmj
Жыл бұрын
Thanks Nico. Great tutorial. :)
@josephmcclorey8002
Жыл бұрын
Awesome tutorial, Nico. Thank you for putting this out. I was about to start searching for something similar because it's supposed to clear up in the next day or so.
@IonutNedelcu
Жыл бұрын
I've recently photographed this comet too and I was going to go out tonight hoping for some patches of clear sky 👍
@afryhover
Жыл бұрын
Watching one of your videos is like being right next to you hanging out. Congrats on the move, hope you have better skies there. I hope to see you back in the American South West some day. We should organize a desert imaging party sometime! Thanks and well done 👍
@NebulaPhotos
Жыл бұрын
Thanks Andy! Skies are pretty decent here (Bortle 3), but the clouds are another story. I definitely look forward to more trips to the SW!
@geldingmakr
Жыл бұрын
@@NebulaPhotos Bortle 3 are absolutely great for east of the Mississippi, congratulations. Even in WV, I have over a 90 minute drive to Bortle 3🤩🔭📷
@perrydouglas7944
Жыл бұрын
Great image Nico. The lighter version definitely looks the best. 👍
@bruschi8148
Жыл бұрын
Awesome you are in NH now! Much better skies than cambridge.. Great video
@R-A-F
Жыл бұрын
great photo and video
@paganjava
Жыл бұрын
Been pretty nasty weather here for the last two weeks. Finally clear tonight, so I'm setup and running two hours of integration on C/2022 E3 (ZTF)
@stevepecket2535
Жыл бұрын
Awesome video. Tried 180 sec subs. Got the comet OK, but stars were awful. Only using an AZ GTi which isn't brilliant. Doesn't look like (as usual) weather in NW England is going to play ball. At least I will know what to do next time 😁 Cheers Nico
@kaeseonline
Жыл бұрын
In Siril, after register like normally in the stars, you can then register on the comet. Instead of picking the core In each frame, you can pic it in the first and last image of your image list, the others will be done automatically, saves some time! I used only Siril for the comet and it worked quite well. If you don’t know how to use Siril with comet pictures, just let me know 😉
@NebulaPhotos
Жыл бұрын
Thank you, I will try it!
@CurtBlakeslee
Жыл бұрын
Wish we had a break in the clouds so I could capture this comet! It's been cloudy every night since... November? Thanks for sharing the view!
@humbertocorona1253
Жыл бұрын
16:34 if it is not detecting, just press "shift" and it will be able to mark manual the comet. (If u reading this nebulaphotos, ty for share ur knowledge :3)
@AFGautonompunk
Жыл бұрын
superb tutorial, as always! : ) will actually try this one now that you motivated me, haha
@tedg3250
Жыл бұрын
Nice job!! Love your channel. I wish that we astronomers get away from calling comets "dirty snowballs " as we have found no water or ice on a comet.
@KirtiRaj027
Жыл бұрын
@16:33 Try using (Shift + hover mouse) over the comet nucleus to position the marker if it's not holding on to the nucleus this way you can avoid skipping the frames. Hope it helps!
@stromytube
Жыл бұрын
thank you
@MissileGuidance
Жыл бұрын
Awesome 🔥
@Nishta00
Жыл бұрын
Incredible tutorial, it helps a lot to people who are just starting out. Do you use Siril? I work a lot with him and I would love to see the process in him, it would be wonderful, congratulations again for your great work and dedication to your videos, I love them and I always watch them!
@NebulaPhotos
Жыл бұрын
Here you go: kzitem.info/news/bejne/u2Of16logpOFh4o :)
@Nishta00
Жыл бұрын
@@NebulaPhotos Fantastic!! 🤓
@Paul_85-
Жыл бұрын
That was a fantastic video / tutorial. Thankyou. P.S the darker version looked better for me
@Bills_APCh
Жыл бұрын
Hi Nico. Wonderful work and imaging! I image from a Bortle 7 to 8 site and have nothing like your detail. I have a 70mm F6 refractor and Canon dSLR. Is it your dark skies or your ASI2600 which gives such good comet details(tail and head) ? Why does your comet look so massive?
@Lukionest
Жыл бұрын
Thanks for tip about the tip about the Shift key to manually select the comet. I found that the Shift key with the arrow keys give me finer control than using my mouse, but even so, I am unable to reliably select the exact center of nucleus, based on choosing the pixels in the small, zoomed in view provided. The result is a slight smearing of the comet when stacked. Any idea how to fine tune the selection down to the pixel level?
@Lukionest
Жыл бұрын
I found my own answer: If I use my mouse wheel to zoom deeply into a photo, then the ability to move the comet selector while holding the shift key also gets more granular, allowing me to better center my selection on the pixels at the center of the comet's nucleus, using the mouse. This lets me get the best resolution of the comet.
@magedsyehia
Жыл бұрын
That's great help. Can you also do a walkthrough of stacking with different softwares like WBPP or APP? because I've been trying those two and they are producing start trails those are very hard take out in processing on Pixinsight. Great video!
@Lukionest
Жыл бұрын
Great video. Thanks for all the work you do in presenting this info to us. One minor point, in your final photo, the ion trail is pointing down, away from the comet. That must mean your camera was significantly rotated or you rotated the images. Since the ion trail points directly away from the Sun, your photo implies the Sun was higher in the sky than the comet when you took these shots, which of course is highly unlikely. Am I wrong?
@NebulaPhotos
Жыл бұрын
I picked the rotation angle purely on aesthetics. The telescope has a manual rotator built-in which can rotate the camera the full 360 degrees, so I am used to picking my rotation based on how I want the object to interact with a particular star field. In this case I rotated to fit in the open cluster of stars while putting the comet's nucleus roughly in the center.
@NebulaPhotos
Жыл бұрын
But you are correct that if we could actually see the ion tail in the sky it would be pointed up from our vantage point.
@markattardo
Жыл бұрын
Welcome to NH. Awesome tutorial! When you mentioned DSLR settings, is that on a tracker?
@NebulaPhotos
Жыл бұрын
Thanks! Correct, on a tracker. For untracked, it would be 2 second exposures at ISO6400.
@markattardo
Жыл бұрын
@@NebulaPhotos Got it, thanks. I'll try again after I defrost my hands😂
@雨宮雄平
Жыл бұрын
Thank you for the video. To me, Stars and Comet stacking always fail. The resulting image does not show any color of comet.
@jaimenegrete1253
Жыл бұрын
Thanks for your video. Can you clarificar if you guider on the stars or on the comet.
@NebulaPhotos
Жыл бұрын
I guided on the stars. If you guide on the comet, the stars will be trailed in the subs and you would have to capture them separately if you want round stars in the final photo
@aprimb
Жыл бұрын
I tried all 3 Comet stacking options, and used shift click to select the comet, but I don't know why my final stacked image is not a single bright ball as it's expected? It looks like a tracked star; while all stars are pin point sharp. I took 120 images at 30 sec long with ED80 and DSLR camera.
@clyse88
Жыл бұрын
i tired to manually stack about 10 mins of exposures and couldn't get the tail. ill have to try this
@keepslee737
6 ай бұрын
Hi Nico, There is great anticipation that Comet 12P/Pons-Brooks might become visible in the same sector of the sky during totality of the 8 Apr solar eclipse, together with Jupiter and Venus. Will you be doing a feature on photographing this once-in-a-lifetime phenomenon or if not, provide some technical guidance on capturing it with a camera ? Thanks.
@NebulaPhotos
6 ай бұрын
Yes, starting about 13 minutes in to my latest video I discuss it and show some planning tips using stellarium: kzitem.info/news/bejne/25yClqSeqXuEdII
@benoootjes
Жыл бұрын
Hi Nico, any recommendations for stacking software on Linux? And also some Photoshop equivalents? Again, superb video! 🙂
@NebulaPhotos
Жыл бұрын
Yes, Siril and GIMP. I just release part 2 which covers these software (both free and linux compatible): kzitem.info/news/bejne/u2Of16logpOFh4o
@BlakeTheSavage
Жыл бұрын
Thank you so much for this video! I'm stacking my frames right now, I am having one issue though. When I get to stacking parameters there is no comet tab for me in DSS 4.2.6. I can only find the comet tab in settings under "stacking settings" on the left under the options section of DSS. I do not believe it's actually effecting the stack when I change it there, as I have tried stacking the same data without selecting anything there and with selecting "Stars and Comet Stacking" under stacking settings with the same bad results. Does anyone know how I could go about getting the comet tab to show up in "stacking parameters" instead of just in "stacking settings"?
@BlakeTheSavage
Жыл бұрын
I think I actually figured it out 😂 I had clicked on a dark frame and it was previewing that when I clicked "stack checked pictures" I wouldn't have assumed that that would have caused the "comet" tab to go away, but when I clicked and previewed a light frames that had the comet nucleus selected, the "comet" tab appeared in "stacking parameters"! Hope that helps anyone else who may have been a bit confused lol.
@eaglekepr
Жыл бұрын
@@BlakeTheSavage Having the same issue, I found that I didn't have a Reference frame selected. Sort your file list by Score, right-click the highest scored frame and make that one the Reference. After that, the Comet tab showed up.
@mikehardy8247
Жыл бұрын
You answered my question, that's a POLEMASTER underlung on the vixen bar. Is the AM5 mount home position in line with it's Polar alignment ?
@NebulaPhotos
Жыл бұрын
Correct, when you start polar alignment, the AM5 should be in home position with polemaster in line. Both ADM and Buckeye Stargazer make accessories for attaching the polemaster to the dovetail like this.
@mikehardy8247
Жыл бұрын
My first tracker was original SKYWATCHER SA. As everyone knows polar alignment was tough at best. I found a DIY retrofitter,, who made 3d accesories. ASTROKRAKEN.FR. French engineer. He built a very sofisticated mount from scratch. Anyway I bought a bracket for that SW SA that allowed a POLEMASTER to be mounted. Yah, I know pricey (more than tracker) but the Qhyccd POLEMASTER is awsome! I now have SA GTI. I made a fixture allowing me to place it in the "objective" hole on its built in polar scope. This way I can continue to use it if I the added laptop isn't too much of a hassle. Too bad POLEMASTER doesn't have an ANDROID App. I use a tablet with my ASIAIR.
@Kevin.kistermann
Жыл бұрын
Thanks for the tutorial, DSS is making some bullshit with my images :D
@ErikGT
Жыл бұрын
Why is my comet b&w after stacking?? The stars have colors but not the comet whilst it has green color in the lights. I used biases, darks & flats as my calibration frames. Can someone help?
@NebulaPhotos
Жыл бұрын
Maybe something to do with when or how DSS is debayering the files? It sounds like maybe it's using debayered files for the star stack, but not the comet stack? I'm not sure how to fix if that's the case, but to test that theory, you could debayer a few light frames with a different program (PIPP is free) FIRST, and then go through the process with those in DSS (no calibration), and see if the comet stays green. If you can't figure it out, feel free to email me some data, and I'll take a look: nicocarver at gmail dot com.
@ErikGT
Жыл бұрын
Okay I will try. Thanks a lot!
@AstroDragon33
Жыл бұрын
Great video!! My DSS stack is completely black, with only a few stars visible, and no matter how many s-curves I put on it, it won't show any details. I took out my darks, and it works normally, showing the data and details. I've tried multiple dark stacks from different days, and they all give a black output. I have 17 nights with 17 different objects, each with decent data, and I can't process them :( I don't know what to do. Any ideas?
@NebulaPhotos
Жыл бұрын
In that case, I'd probably just go without the darks for now - they make a bigger difference in the summer months, so should be fine to stack and process without them.
@AstroDragon33
Жыл бұрын
@@NebulaPhotos I'll give it a try, thanks!
@AstroDragon33
Жыл бұрын
@@NebulaPhotos Last night, I took my first comet images and wouldn't have known about the comet functions. I'm excited to give this a try today!
@bigdog1452
Жыл бұрын
Im having the same problem
@iron0xide974
Жыл бұрын
When I telescope, should have the ability to remove the effects of the Earth, spinning on its axis, in order to photograph a still shot multiple times throughout the night. It was one a black-and-white photo series with the green, red and blue filters after the gray and compile that with a software which can remove the interference pattern from the atmosphere.
@kevinashley478
Жыл бұрын
Hey Nico. As usual, I got a question. So I have a clear sky after midnight Fri night/Sat morning. I have some generic lenses. I have a Canon T3i and I have a 75-300mm, a 55-200mm, a Nifty Fifty, and an 18-55mm. I also have the Star Adventurer 2i Pro. Which lenses would be appropriate to get the full comet in frame? How long is the integration time before it starts looking fuzzy or having star trails? How would I make a time lapse of the comet moving? Thank you in advance for your advice. Great video!
@saurav050206
Жыл бұрын
Is it possible to capture it now?
@anata5127
Жыл бұрын
If we would like resolution 2”, exposure needs to be 10-15 sec. Many frames (100-300) and 10 sec exposure. Processing could be problematic.
@KaHaDa_life
Жыл бұрын
Clouds in Calgary can't see anything, haven't been able to look at stars for a month!
@chrislarkin4582
Жыл бұрын
Would there be a way to stack it well just using Starry Sky Stacker for Mac? I don’t have a Windows machine so can’t use DSS…or do we just live with the fuzzy 😂
@NebulaPhotos
Жыл бұрын
I don’t think starry sky stacker has a comet mode, but Siril does, I might make a video on that
@cooky187
Жыл бұрын
Anyone know why my DSS stacked image is black and white? Literally used it last weekend too and was fine 🤷♂️
@Twobarpsi
Жыл бұрын
Arrrrgh! It's snowing here on the 31st.
@samwarfelphotos
Жыл бұрын
Is there a Siril tutorial for the comet? I can't use DSS
@NebulaPhotos
Жыл бұрын
Just finished it: kzitem.info/news/bejne/u2Of16logpOFh4o
@samwarfelphotos
Жыл бұрын
@@NebulaPhotos Thanks so much, worked like a charm!!!
@theplaneteer1110
Жыл бұрын
Phew, 153 comments. I hope you see this, Nico. When guiding, the mount is moving at sidereal (star) speed, right? How quickly did the comet "escape" the frame with your setup/guiding? My sensor is a 2.7x crop factor (ASI183MM) on 250mm (Redcat 51), so my focal length is a bit high haha. I want to determine if I can guide normally, or if I should manually adjust the mount with the hand controller after a couple of minutes.
@realtraphotography
Жыл бұрын
This is probably a bit late, but I imaged this at 275mm with a 183MC. I guided normally and kept the comet in frame for 2 hours.
@astrolabsInc
Жыл бұрын
What’s the best way to do a Timelapse of the comet? Do you polar align?
@NebulaPhotos
Жыл бұрын
Yes, polar align. To make the time-lapse, calibrate and register (star align) your images as you normally would and then turn those images into the timelapse, and you will have an image where the comet moves and the stars stay still. If you have pixinsight, the blink process has a cool utility that makes the timelapse for you if you download ffmpeg.
@astrolabsInc
Жыл бұрын
@@NebulaPhotos thank you so much, and thank you for getting me into this hobby. Absolutely love your videos.
@Jesse.v.a
Жыл бұрын
can i ask why you didnt do all the pictures but only 60?
@NebulaPhotos
Жыл бұрын
Forgot to mention - looking at some of the better comet imagers, I've noticed they never seem to use more than an hour or so of data because one can lose details in the tail which is always changing. I also was short on time to make the video, so I didn't have time to experiment with different amounts of pictures.
@Katsjosh
Жыл бұрын
Tried to find Star net++ but can't find the right place for the download. Does anyone know where I need to go for it?
@NebulaPhotos
Жыл бұрын
www.starnetastro.com/download/
@Katsjosh
Жыл бұрын
@@NebulaPhotos Thanks Nico, and welcome to NH!
@Nabby13
Жыл бұрын
Hi. May I ask where you got the angular looking spacer in between the main scope and dovetail bar? Thanks.
@NebulaPhotos
Жыл бұрын
It is part of that clamshell system holding the telescope. It was supplied with the Askar FRA300 Pro telescope instead of more traditional telescope rings. Not sure why they went with that design, but I've not had any issues with it.
@dlee7412
Жыл бұрын
Do you need to take calibration frames when using a star tracker? Also are your DSLR recommended settings the same if using a star tracker?
@NebulaPhotos
Жыл бұрын
Yes, it is best to always take them.
@TonyGardnerRC
Жыл бұрын
A quick question please, I know you mentioned about not using light pollution filters/narrowband which makes sense. Would an Optolong L Pro be something that could be used because its more of a galaxy/broadband filter? I'm in more of a Bortle 5/6 area and wondered if that might help. Would be using it with an ASI 533 MC Pro. Thanks for the useful tutorial :)
@NebulaPhotos
Жыл бұрын
From Bortle 5/6, I would suggest that you do NOT use the L Pro for capturing the comet. It blocks a lot of the green and yellow spectrum that make up the colors of the comet.
@TonyGardnerRC
Жыл бұрын
@@NebulaPhotos That's great, thanks very much for the reply. If I can get a cloud free night I'll give it a go unfiltered with my Redcat 51.
@davidletz9123
Жыл бұрын
Hi Nico, I'm trying to decide which lens to use on my Nikon Z, either a prime 105 mm f 2.8, or my 100 to 400 at 400mm f/5.6. All things being equal, which would you choose? I'll be attaching camera and lens to my star adventurer. Thanks!
@NebulaPhotos
Жыл бұрын
The 105mm f/2.8 I think. Might be hard to get the long tail with the moon light, but it's worth a shot
@AdamHarrisonEros
Жыл бұрын
For those that don't have access to Deep Sky Stacker (I'm a Linux user),, how would one stack a comet image in Siril?
@NebulaPhotos
Жыл бұрын
Here you go: kzitem.info/news/bejne/u2Of16logpOFh4o :)
@AdamHarrisonEros
Жыл бұрын
@@NebulaPhotos Thank you so much!!! This is my 3rd astro attempt, and the learn curve is steep. Iwill say, a couple spots had me paused for a bit in your tutorial. The first was the color correction. I was using a Canon 5d, 50mm lens, and a Move Shoot Move, so I didn’t have the angles it was set up at an had to resort to plate solving. It took a lot of trial and error to get it to work. I could recognize the star, and tell it was to look for, but it didn’t work until ‘i stepped 9one degree at a time) from 50mm up to 60mm. Then it worked and auto sett the focal length to 51.7. Why it couldn’t figure it out at 51mm or 52mm, no idea. The color calibration is creating a weird washed put pattern that looks like clouds, but there are no noticeable clouds in lights. I suspect my flat frames are the culprit. The one panic moment was with the star stack, and you try to load a singe frame, and it alerts about save or your stack will be lost, even if you save. I was hung up there for a while, afraid of losing data. I eventually noticed you just ignored the warning and went on. My current problem is with the comet. In the individual light frames, the comet looks good, but when I do the comet registration, it come out looking like a ninja throwing star. Imaging making sugar cookies with an circular cookie cutter. Then take one of the cookies and use the cutter to remove the edges of the cookie to make a four pointed star. That is where I’m stuck now. I’m going to give it a few more tries, changing the number of light frames I’m using. right now I’m using ~90 30s frames. I’m going to halve that to see if the results improve. Thanks again! I could not have made it this far without you. I was hoping to respond with my finished image, but that will have to wait.
@NebulaPhotos
Жыл бұрын
@@AdamHarrisonEros Did you perhaps reframe the comet a couple times while shooting? This can cause problems with Siril's way of aligning the comet images. If that is the issue, it's best just to pick images from one 'framing' if you understand what I mean.
@xe1zlgg
Жыл бұрын
Hi Nikko.. at what bortle sky was made your pic ?... very nice
@NebulaPhotos
Жыл бұрын
Bortle 3, first quarter moon
@michaelasbury5473
Жыл бұрын
How does the process differ if you’re using mono? Do you do the full process for each filter? And then what?
@NebulaPhotos
Жыл бұрын
Just process the RGB normally and combine them, then do the comet processing part. If you use PixInsight, Alaskan Astro recently released a tutorial for mono comet processing with PI.
@DantinDouglas
Жыл бұрын
hi nico, after you pasted the starless version, it will be some trail mixed with stars photo, any idea to fix that?
@NebulaPhotos
Жыл бұрын
Maybe mask them out or clone-stamp - I did notice them, but had to finish the video because I was under the wire to get it out
@lichasvocke8642
Жыл бұрын
Hey there, I have a problem with stacking the comet. Everytime i use the Comet+Stars mode the final image has a strong color change. Normally my images have a green tint but this one not. Also did the green glow of the comet vanished, this does not happen when I stack in comet only mode. Does anyone have a clue whats going on here?
@NebulaPhotos
Жыл бұрын
Try the Comet only mode. Others have reported this issue and have said doing the two stacks separately has helped. Not sure what's going on. Might also be an issue with the stacking method (average vs. median vs. kappa sigma clip) I believe I had mine on Kappa sigma clipping
@lichasvocke8642
Жыл бұрын
@@NebulaPhotos Ok I will try it. What would be the best method to get rid of the Star trails in comet only mode?
@NebulaPhotos
Жыл бұрын
@@lichasvocke8642 Make sure it's on kappa sigma clipping. I can't remember offhand if DSS gives you further control over the clipping parameters, but if so set the 'high' clipping to a low number. Other than that, using fewer subs will help, but at the expense of SNR
@lichasvocke8642
Жыл бұрын
@@NebulaPhotos Ah thanks, now ive got something to work with. Thanks for the Help!
@keyswitches9269
Жыл бұрын
hey Nico. After excruciatingly selecting the comet in all 840 frames, I got...... a black and white image. The stars have a faint trail on them even though I selected the comet and stars option, and I can't get any color out of my image, no matter how much I boost the saturation and vibrance. I can't get a starless layer either, because all my stars have faint trails on them. Am I just stuck? is there a workaround or a solution or do I have to re-do everything?
@NebulaPhotos
Жыл бұрын
Try the Comet only mode. Others have reported this issue and have said doing the two stacks separately has helped. Not sure what's going on. Might also be an issue with the stacking method (average vs. median vs. kappa sigma clip) I believe I had mine on Kappa sigma clipping which helps get rid of star trails (mostly).
@keyswitches9269
Жыл бұрын
@@NebulaPhotos how would you combine the two comet bound and star bound stacks together?
@NebulaPhotos
Жыл бұрын
@@keyswitches9269 Try 'lighten' or 'screen' blend mode in the layers panel in Photoshop or GIMP
@rashie
Жыл бұрын
👍👍
@theboredguy3239
Жыл бұрын
can i use a iphone 13 pro max with a gskyer 70 mm aperature and 400 mm telescope to take photos of the comet ?
@NebulaPhotos
Жыл бұрын
Yes, that should work. Get a smartphone adapter that attaches the phone to the eyepiece if you don't already have one.
@richiewitkowski7142
Жыл бұрын
Anyone with a 50mm lens will easily see the comet with a 10 second exposure if anyone is curious to give it a try!
@tadeassivan8079
Жыл бұрын
i haven t comet section in my deep sky stacker
@NebulaPhotos
Жыл бұрын
It only shows up after you do the first steps star register then mark the comet
@ATOM-vv3xu
Жыл бұрын
its confusing, that you have written nebula photos (your channel name, IK) on the thumbnail but the video is about something else
@Thedutchjelle
Жыл бұрын
I fucking hate that I tried so hard to photograph this thing but I've been blessed with horizon to horizon cloud cover almost every night for 2 months now.
@timmayvns
Жыл бұрын
🖖
@woozii.capalot
Жыл бұрын
I cant take a photo or see it. Been waiting all month n when I can finally see it, it’s 99% cloud cover all day until like the 5th
@epic_playz4283
Жыл бұрын
Same here in nashville tn
@woozii.capalot
Жыл бұрын
@@epic_playz4283 thinkin of drivin somewhere where it’s no clouds, but gotta figure out where
@boostedrival5505
Жыл бұрын
Hey so i stacked all the images and the final result just disappeared, where does the final picture end up at? I cant seem to find it anywhere in my folders
@NebulaPhotos
Жыл бұрын
Should be in the lights folder as 'autosave.tif'
@boostedrival5505
Жыл бұрын
@@NebulaPhotos oh wait i didnt actually stack them i just made the master calibration frames i didnt press stack after registration haha that’s embarrassing i got it now thanks!
@boostedrival5505
Жыл бұрын
dude i just got back from getting the photos, its -25 degrees and it was windy, i got 10 min of untracked footage and i was about to freeze to death, it was 1am
@refetastro
6 ай бұрын
Asiair has it on the list
@ronlevandoski4805
Жыл бұрын
Amazing tutorial you did here Nico! God bless and protect.
@eduardogonzaleznieto729
Жыл бұрын
You look kind of cool guy. I’m gonna follow you. Greetings from Mexico City.
@francescomorini8540
Жыл бұрын
Thank you for this great video. Very explicative!
@timmayvns
Жыл бұрын
looks better than the picture ive seen on BBC News today
@eaglekepr
Жыл бұрын
Here's a time-saver for Deep Sky Stacker and comets: If you have an unbroken sequence of light frames, you can sort by time then select the comet in the first and last frames. DSS will interpolate the position of the rest of the frames for you. If there's a break in the sequence (like manually repositioning the camera or pausing to refocus) you'll need to select the comet in the last frame before the break and the first afterward. Same if you uncheck a (bad) light frame, that causes a break in the sequence and you'll need to select the comet in the frames on either side. Better than one by one!
@leiferikson5454
Жыл бұрын
This is the video I was waiting for, great job! Yesterday I tried to shoot it after weeks of bad weather, the best sky I could get to was Bortle 5 but still worth trying. I only have access to a 300mm lens on my Sony camera + Star Adventurer; managed to take about 20 minutes of integration with 1 minute exposures (and calibration frames) before having my camera die (one thing I hate about it, in cold weather battery really doesn't last long. Note to future self, buy a spare one...). DSS with the comet function worked wonders! In the end, the final picture is far from good :) , but I'm still happy with the chase and everything that went into it. Especially because, as you said, it's once in a lifetime.
@kamwang6591
Жыл бұрын
Hi Nico, Thanks for the detailed tutorial. I was trying to shoot this comet with an equatorial mount that can track the comet. I took several shots with long exposures and the stars did become sort of trailed, and when I tried to stack the pictures in DSS, it tells me that only 1 frame will be stacked. This does make sense since there is only one non-blurry object in each frame and the software would encounter some problems when aligning. May I ask if there is a solution to this type of stacking?
@dumpydalekobservatory
Жыл бұрын
Great video Nico we had a comet last year & I tried to stack it in DSS but the comet always ended up[ smeared, I did everything as per your video but sadly it was having none of it.
@richiewitkowski7142
Жыл бұрын
Chicago area here: Finally have clear nights this whole week after 2 MONTHS. But mother nature says the catch is it has to be 5F out. I did get some pictures but can't we catch a break this winter?
@johnnyhandyman
Жыл бұрын
Hi nico love your videos I was thinking of getting svbony 503 telescope for astrophotography would you recommend this telescope or is there a better option? Thanks
@NebulaPhotos
Жыл бұрын
Yes, it's a good one. Definitely also get the matched 0.8x reducer/flattener with it. For photography, the flattener is a must!
@JoaoPereira-os5mk
Жыл бұрын
Nice video, Nico! I have a question: I took 50 lights with 2min exposure (tracked DSLR), dark and bias frames, marked the comet on all of them on DSS but after stacking, all I get is a weird smudge where the comet should be but the stars stack perfectly. I tried the comet only mode, its better but still not perfect. What can it be? I also tried stacking only 10 lights but the result is barely better... Was the tracker not aligned enough? Thanks!
@NebulaPhotos
Жыл бұрын
Hi João, I'm not sure, but you definitely aren't the only one having trouble with DSS and this tutorial - lots of comments from people who aren't having good luck with it. Maybe it has something to do with the stacking mode (like average, median, kappa sigma clipping) I think I had mine on kappa sigma clipping. Tomorrow I hope to investigate stacking comet images in SIril (also free) and maybe that will be a good alternative.
@epic_playz4283
Жыл бұрын
Im glad and lucky I was even able to see it. The weather had been absolutely horrible since the comet and im in Nashville, TN
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