Author Archives: Shawn Nielsen

Visibledark Podcast – Episode 1 – How it all began

Visibledark Podcast

Episode Transcription Hey folks welcome to the Visibledark podcast! Thank you so much for joining me. I’m an amateur astronomer and astrophotographer. I live in Kitchener, Ontario, Canada and do most of my astro imaging from the backyard. I also have a Youtube channel “Visibledark Astrophotography” and you’re welcome to check that out as well. […]

Optolong L-Pro Light Pollution Filter and City Astrophotography

Optolong L-Pro filter

In this video I take a look at the Optolong L-Pro light pollution suppression filter for city backyard astrophotography with your telescope and DSLR or cooled cmos camera. I also do a quick process in Pixinsight of the data taken with the L-Pro filter and show you the end result which is quite stunning considering […]

My best and worst deepsky images of 2019

Esprit 100 triplet refractor pointed at the constellation of Orion

It didn’t seem like we had many clear nights here but I was able to take quite a number of astro images this past year. Join me as I look back over the best and worst deepsky images I imaged and processed in 2019. Which one did I like the best?

The problem of light pollution – TED Talks

TED Talks The problem of light pollution
Ever gaze up at the starry night sky? This stunning view is at risk of disappearing -- unless we act now, says astrophysicist Kelsey Johnson. In this fascinating, unexpectedly funny talk, she explains how light pollution affects almost every species on earth (including us) and shares five "stupidly simple" things you can do to help [...]

IC 1805 the Heart Nebula in Hubble Palette SHO

Meet IC 1805, the Heart Nebula.  This is an image I’ve been working on for a while in the Fall here. Mostly due to weather not cooperating.   I was able to gather 21 hours of data (Hubble palette, Ha, OIII and SII narrowband) over a few clear nights in October 2019.  I processed this image, […]

NGC 281 Pacman Nebula in Hubble Palette SHO

NGC 281 pacman nebula SHO

Meet NGC 281, also known as the Pacman Nebula. Can you spot the pacman? NGC 281 is a bright emission nebula and part of an H II region in the northern constellation of Cassiopeia which is rising in the NE during Fall months and high overhead in the Winter. Cassiopeia is part of the Milky […]