@MookyTroubadour sky camera...something like a dashcam with a high capacity card aimed at the sky?

🤔🤔 That's an interesting idea!

@Damobius I use a raspberry pi and raspberry pi cams of various versions. The images you see here are the pic camera v3 with no IR filter. It lives under an acrylic dome and takes 10 second exposures back to back (there is a little lag- intend to get 5 shots per minute). I have everything scripted and it compiles all the still images into a movie for me to download. If you want to give it a go, it’s maybe $150 ish in hardware, and I can share my scripts.

@MookyTroubadour that sounds like a fun project for our 10-year old and I. If it's an easy share without taking too much of your time, I'd certainly be interested in seeing it!

@Damobius the rest is all scripted. I kick off the images at 10PM now that it’s summer, and cut that off at 4:30am or so.

I have a script that uses ImageMagick to take the image info and put it up in the left corner of each frame. That takes typically a half hour or so to process the few thousand stills. Then I have a script that simply lists all the JPg files so that FFMPEG can build a time lapse video.

@MookyTroubadour

Okay, I finally got around to gathering the hardware to get this started. I can't find a link to the scripts you are using though (if you posted any...it's been a month). Do you have them reposited anywhere? Going to get with our 10 this weekend and start construction.

@Damobius oh, and the scripts aren’t posted anywhere- they aren’t especially complex, so I just wrote them ad hoc, and will gladly share. I’m getting the best results with No Infrared filters, but that’s not an absolute requirement. Which camera did you get? I’ve also moved to the newer Libcamera versus Raspistill, but the parameter argument for duration hasn’t been reliable for me, so I use crontab to start and stop.

@MookyTroubadour here's my equipment list:

Raspberry Pi 4 Model B 2019 Quad Core 64 Bit WiFi Bluetooth (4GB) a.co/d/7hfDuUA

Arducam for for Raspberry Pi 4/3/3 B+, a.co/d/95oabvo

SanDisk 256GB High Endurance Video microSDXC Card - SDSQQNR-256G-GN6IA a.co/d/2SYop1n

Vilros Raspberry Pi 4 Compatible Heavy Duty Aluminum Alloy Case a.co/d/4kObcpV

@Damobius okay, cool.
I’ve not used that camera, so it’ll be interesting to see which settings work best. Lately I’ve been building with the 64 bit Pi OS, though I don’t know that it makes any difference.

At a high level, this is the sequence I’ve been using:
1) build weather-able enclosure. (I used acrylic domes, but have moved to glass)
2) load OS (don’t use default credentials)
3) install ImageMagick
4) wait for dark and test camera parameters (using Libcamera-still and seeing what gets best images- I’ll give examples)
5) write shell scripts to: (continuing)

@Damobius
6) time lapse image collection (anywhere from every 5-6 seconds or 15 if supported. Longer shots may show star movement)
7) stop with separate script, since the duration argument seems dodgy.
8) use ImageMagick to put date/time overlay on the images from Exif values
9) make a list of all the (date stamped) images
10) build MP4 video using ffmpeg (included by default in OS build)
11) rename by date and store where I like

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@MookyTroubadour okay! Going to start doing homework on libcamera and ImageMagik, and brush up my Linux scripting 😁. This is exciting! Since I'm not using curved Plex I'm hoping distortion is held to a minimum but will see how it goes. Thanks so much for the rundown!

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