c/astronomy-photos

Stop polar aligning to the wrong star, your drift shots are lying to you

For months I kept getting slight star trails on 60 second exposures even with my mount's polar scope dead centered. Finally realized I was aligning to Polaris but my finder scope had a tiny misalignment that put it off by almost a full degree. Checked with a drift alignment method last weekend near Flagstaff and it fixed everything. Took 20 minutes and now my subs are round at 120 seconds. How many of you actually verify your polar scope alignment against the mount's axis instead of trusting the reticle from the factory?

0 comments

jennifermurphy•1d ago

The guy at McDonald's in Tucson who pointed out the Pleiades to me

I was grabbing a late burger around 2am back in March and the parking lot lights were half dead. This older employee on his smoke break saw me staring at my phone and just said 'look up, that cluster is easier to see when you stop squinting at the screen.' He pointed out a fuzzy patch near Orion. I went home, pulled out my 8 inch dob, and found it in 30 seconds. Now I always ask what people see before I set up my gear. Has anyone else gotten a good astronomy tip from a random stranger in a boring spot?

0 comments

dylan_thompson•4d ago

TIL that one stranger's photo of a faint nebula taught me more than 20 years of books

I was browsing a local astro meetup in Portland last spring, and this older guy pointed to his 6-hour stacked image of the Veil Nebula and said, 'patience is the only filter you can't buy,' which hit me way harder than any gear review I'd read since.

0 comments

palmer.jana•5d ago

Blew my camera sensor clean, then saved the shot anyway

Last Saturday I drove out to Cherry Springs for the Perseids, set up my DSLR on a fresh battery, and within 20 minutes the shutter started sticking. Turns out the cold got to the lubricant, so every third frame came out blank. I ended up hand-holding the camera for 40-second exposures, bracing my elbows on a cooler, and relying on the 2-second timer to cut shake. Out of 60 frames, maybe 10 were sharp, but one caught a fireball right over the treeline. That single frame made the whole trip worth it. Has anyone else salvaged a night with a busted mount or rig, or am I just stubborn?.

0 comments

uma_baker88•6d ago

My 4-hour stacked image turned out blank, check your dark frames

Spent all evening shooting M51 from my backyard in Tucson, stacked 120 frames, and the final image was just grey noise because my darks were taken at the wrong ISO. Double check your calibration frame settings before you pack up, has anyone else lost a night this way?

1 comments

joel_young•6d ago

PSA: Stop labeling every widefield shot as 'Andromeda Galaxy' when it's clearly the Milky Way core

I've been in this sub for about 2 years now, and I keep seeing photos tagged as Andromeda (M31) that are obviously our own galaxy's core. How can you tell? The Milky Way core is hazy and angled with dark dust lanes running through it. Andromeda is a distinct tilted disk with a bright center, and it's actually smaller in the frame than people expect unless they used a long telephoto. I know it's tempting to name the bigger, prettiest object in the shot, but if you shot from a dark site in Arizona or Chile last month and it looked like a glowing river across the sky, that's the Milky Way, not M31. Andromeda is a separate fuzzy patch that fits about 3 full moons wide, not a band spanning 60 degrees. Is this just a labeling habit, or do people genuinely mix them up because they never checked a star chart first? I posted a comparison sketch from my own session in June, and it's night and day. Anyone else notice this mix-up going around the astro subs lately?

1 comments

ray_mitchell•7d ago

Got my first clear shot of M31 from my backyard in Ohio, finally after 9 tries

I've been trying to capture Andromeda from my driveway since spring. Light pollution is rough here, plus the neighbors' floodlights kept ruining my exposures. Last Tuesday the sky was finally cooperative. Used my 8 inch Dobsonian and a borrowed DSLR, stacked about 40 frames in DeepSkyStacker. Nothing fancy, but you can actually see the dust lanes. That felt huge. Does anyone else have a spot where they keep going back to even though the conditions are never perfect?

0 comments

ellis.rose•10d ago

Finally captured the Andromeda Galaxy after 3 cloudy months

Last week I dragged my scope out to a dark spot near Flagstaff and got a 90 second exposure that actually showed the dust lanes. I'd been trying since early fall but every weekend the sky was either hazy or the moon was too bright. Seeing it pop up on my laptop screen at 2am made all the frozen fingers worth it. Has anyone else had luck shooting galaxies with a basic DSLR on a tracking mount, or am I pushing the gear too far?

0 comments

bethj44•10d ago

Rant: Stop calling every blurry dot a planet, it's REALLY not helping anyone

I've been in this sub for about 2 years now and I swear every week there's a post titled 'my best Jupiter shot' and when you open it, it's a smeared white ball with maybe two faint lines. I get it, we all start somewhere, but if you used a phone camera through a $60 telescope, that's not Jupiter, that's a lens flare with hope. I know because I did the SAME thing last March with my Celestron, and I had a guy in the comments tell me it looked like a 'wobbly beach ball.' It matters because when you mislabel stuff, beginners think THAT is what planets should look like, and then they get discouraged when their real attempt doesn't match. Check your exposure time, if it's over 1 second and the object looks like a glowing bean, it's probably out of focus or the mount is shaking. So before you hit post, ask yourself: would this fool my buddy who's never looked up at night? Has anyone else had to fight the urge to correct every single overprocessed Mars shot that looks like a red pancake?

0 comments

hugo_craig•11d ago

My tripod leg gave out during a 3am shoot in Tucson

The cheap locking clamp snapped on my second session with the new mount, so I duct taped a wrench to the leg and held the rig steady for the rest of the Milky Way shots, but has anyone else lost a full night of data to a hardware failure like that?

0 comments

king.aaron•15d ago

One sentence in a podcast made me recheck all my stacked image data

I was listening to an old Astro Imaging Channel episode while organizing files and the host mentioned that calibration frames shot over 30 days apart can introduce noise that stacks right into your final photo. I checked my last five nebula projects and THREE of them had flats from different months mixed together. The galaxy image I posted here last spring probably had that problem. I spent 4 hours last Sunday re-stacking M81 with fresh flats from the same night and the background gradient basically vanished. Has anyone else run into this with their own archive, or am I the only one being this sloppy?

0 comments

the_ben•16d ago

One comment about my star colors and I re-edited everything

I posted a widefield shot of the Orion area last month and someone pointed out that all my stars looked the same shade of blue. They weren't rude about it, just said real stars have more color variety, from orange to yellow to white. I went back and learned to balance the RGB channels manually in Photoshop instead of just using the auto white balance. Remade the image in about 2 hours and the difference was huge, the red supergiants finally popped. Has anyone else gotten feedback that totally changed their processing workflow?

0 comments

margaret234•16d ago

First night with my new star tracker, old photos look so flat now

I used to shoot everything on a fixed tripod. Max exposure 15 seconds before star trails showed up. Then last month I got a cheap star tracker for my DSLR. That first clear night I took 2 minute subs of Orion and the difference is wild. The nebula actually shows color, not just a gray smudge. Now I'm going back and reprocessing my old shots with new software. Anyone else find that upgrading one piece of gear makes all your old work look bad?

0 comments

sethmartinez•17d ago

A 4th grader's question about stacking images changed my whole workflow

I was showing my Andromeda stack to a student last Tuesday and she asked why I didn't just take one long exposure instead of 40 short ones. That made me actually look up how stacking reduces noise via median averaging, and now I process everything in batches of 15 instead of 5. Has anyone else had a kid or beginner ask something that made you rethink a habit you'd been doing for years?

1 comments

shane751•20d ago

Stacked vs single long exposure, which tells the better story?

I shot the Orion Nebula two ways last month, one 90 minute stack and one single 5 minute shot. The stack shows way more detail but the single frame keeps that natural, softer look. Anyone else torn between technical sharpness and preserving what the eye would actually see?

0 comments

elizabeth220•22d ago

My star tracker kept drifting, then I tried the ziptie hack from a random forum post

Last month I was out at Big Bend with my old iOptron mount and every 30 second exposure had trails across the stars. I checked the polar alignment three times, leveled the tripod twice, and still got nothing but streaks. Then someone in a Facebook group suggested wrapping a heavy ziptie around the declination axis knob to add friction against the backslash. I tried it with a 8 inch ziptie from my car kit and suddenly got a clean 90 second shot of the Orion Nebula. Has anyone else found a dumb mechanical fix that beat a fancy software solution?

1 comments

daniel214•23d ago

That one clear night in Tucson made me rethink stacked photos

Spent 6 hours at Kitt Peak with a cheap 80mm scope and no tracking, just one lucky 30 second exposure of Orion, and it beat every 200-frame stack I spent 3 weeks processing, has anyone else gotten a better result from a single shot?

1 comments

kim_martin•26d ago

Finally caught the Green Flash at Sunset Cliffs, 3rd try

Went down to Sunset Cliffs last Thursday and after missing it twice before, I actually saw the green flash right as the sun dipped. It only lasted a second or two, but I caught it with my phone in burst mode somehow. Has anyone else managed to photograph it, or is it more of a naked eye thing?

1 comments

the_lucas•1mo ago

Spent 2 hours trying to fix star trails before realizing my tripod was loose

Sat on a hill in Joshua Tree last week, convinced my tracking mount was broken, kept re-polar aligning like a fool. Turned out the quick release plate just needed a quarter turn with an Allen key, has anyone else fought their gear for ages over something that dumb?

1 comments

jesse290•1mo ago

Stacking 200 frames beat my single 30-second shot by a mile

I finally compared my single long exposure of Orion with a stacked result from the same night, same scope, and the difference was honestly shocking. The stacked version had way less noise and the nebula shape actually looked like the photos I see posted here, not a blurry smudge. I used DeepSkyStacker for the first time after 3 tries getting the settings right, and it took maybe 10 minutes total once I figured out the star alignment. Anyone else have a moment where stacking made them feel like they wasted months on single shots?

1 comments

davis.linda•1mo ago

My new telescope mount died during my first Mercury transit

Last month I set up my rig at 5 AM for the Mercury transit, and the mount froze solid after 20 minutes, right when the dot crossed the sun's edge. Had to shoot handheld through my phone on a tripod, got 3 blurry frames, but honestly the adrenaline made it memorable. Has anyone else lost a shoot to gear failure and still kept the images anyway?

1 comments

finleyl55•1mo ago

Pro tip: that $30 moon filter was the best thing I bought

I kept getting blinded by the full moon through my 8 inch dob, so I grabbed a cheap neutral density filter for like 30 bucks. It made craters pop way more than I expected, no more squinting. Anyone else run one or do you just let the brightness wash out the view?

1 comments

olivia_hernandez•1mo ago

Stacking 400 photos of the moon took me 2 nights because of a rotation mistake

I finally got my DSLR pointed right at the moon last week and shot over 400 frames, but the stacked result came out blurry. Turns out I forgot to account for the moon's rotation between shots, so I had to regroup and use a different alignment setting in the software, which took another whole evening. Has anyone else spent way too long on a moon mosaic only to realize the issue was something basic like that?

2 comments

emmam67•1mo ago

My old telescope photos from 2009 still beat my new phone shots

Was digging through an old external drive and found shots I took with a 4 inch Celestron from my backyard in Tucson. Compared them to what I got last month with a modern tracking mount and honestly, the old ones have more character even if they're grainier. The Orion Nebula looked like a smudge back then but it felt more real somehow. Anyone else hold onto those early fuzzy pics longer than their sharp ones?

2 comments

ellis.rose•1mo ago

Critique about star color changed my whole editing flow

About 3 months ago someone on here told me my galaxy photos all looked the same because I was pushing the color balance too warm. I thought that was just my style, but I tried their suggestion to match the actual color temperature of each target using the field stars. It felt weird at first, but now I check star color before I even touch the main object. That one piece of feedback saved me from making every image look like a sunset. Anyone else had a comment that completely remade their process?

2 comments