Moshen Chan

Engineering generalist. Indie iOS / Mac dev, maker of @livingearthapp. Astrophotographer. Code. Music.

[Moshen Chan @paranoidroid]

@Teresacooper The camera needs to be on a mount to track the stars for exposures over a few seconds with a longer lens.

[Moshen Chan @paranoidroid]

Comet Lemmon passing close to Earth.
I shot this at 135mm f/2, 13x60s exposures for a total of 23m exposure time.
The comet is becoming naked-eye visible and is getting brighter until early November, when it’s closest to the Sun. It’s very photogenic through the camera!

[Matthew Green @matthew_d_green]

So Apple has introduced a new system called “Private Cloud Compute” that allows your phone to offload complex (typically AI) tasks to specialized secure devices in the cloud. I’m still trying to work out what I think about this. So here’s a thread. 1/

[Moshen Chan @paranoidroid]

Vision Pro is an incredible way to view photography. I turned two of my Milky Way images into massive 200-megapixel high-res panoramas.

I've made two to download. Add them to the Photos app & they’ll be in the Panoramas tab. https://t.co/G0WeQzLtKm

#AppleVisionPro

[Moshen Chan @paranoidroid]

@raf_fiol How's the scope coming along? Would really love to build a 12"!

[Moshen Chan @paranoidroid]

I shot the "green comet" (C/2022 E3) that's been in the media recently. It makes its closest approach to Earth on Wednesday, Feb 1st. A two-hour exposure shows the greenish glow from carbon gas and a rarely seen antitail.

#astrophotography #CometZTF #comet

[Moshen Chan @paranoidroid]

The iconic Horsehead and Flame nebula. I did over six hours of exposure around Alnitak, the left-most star in the belt of Orion. I love the colors and detail in this area of sky.

#astrophotography #astronomy

[Moshen Chan @paranoidroid]

Over six hours of exposure at the Pleiades star cluster, aka The Seven Sisters. Imaged over Thanksgiving week in the Mojave Desert. The blue nebulosity is from the light of the stars passing through a cloud of dust and gas in the interstellar medium.
#astrophotography #astronomy

[Moshen Chan @paranoidroid]

Nature makes the best fireworks. Shot this last year, 3.5hrs exposure. 25 million light years away and its name is literally "Fireworks Galaxy". #astrophotography #astronomy

[Moshen Chan @paranoidroid]

Testing out some urban #astrophotography. Rosette nebula in monochrome shot from backyard in San Francisco. Using narrowband filters (H-alpha) to knock out most of the light pollution.

[Moshen Chan @paranoidroid]

Welcome Laura! Love this series of surreal multi-layered landscapes. 👇

[Laura Plageman @laura_plageman]

Hi! I'm new here. I physically sculpt and layer my photographs, in search of new points of view. Here are a few images from my Response series. More soon and thanks for looking!:

[Cabel Sasser @cabel]

① Hello. I'd like to share my favorite Nintendo secret.

It starts with the Famicom Disk System, which was, by all accounts, a very important system but a total commercial failure.

When you boot it up, you're greeted with this energetic, very Nintendo fanfare: (Sound on!)

[Moshen Chan @paranoidroid]

@ampledata Best of luck with the next adventure buddy.

[Moshen Chan @paranoidroid]

@Umberto113 Thanks Rémi!

[Moshen Chan @paranoidroid]

What 158,000 miles per hour looks like. #CometLeonard travelled over 316,000 miles in this two hour time-lapse I shot last Friday morning as it sweeps past globular star cluster M3. #C2021A1 #astrophotography #timelapse

[Moshen Chan @paranoidroid]

The sophistication of this no-click iMessage exploit is incredible. Attacker creates a Turing-complete virtual machine out of old image compression format to execute - no interaction required on victims end. Used to target dissidents. Nothing is safe.🤯
https://t.co/425tlj7v8L