I live in the city, major light pollution, could not see 46P with my 80mm APO, mounted on NexStar GT goto. I know my GOTO points to the right location. I slew...

It took many, many millions of years for life on Earth to adapt to the 24 hour cycle notwithstanding the annual day/night cycle. The same system which applies...

https://www.bbc.com/news/science-environment-46471668 So, what's on the Moon what we still don't know?

https://www.youtube.com/watch?v=pnuLTeHB3yU There is only one day/night cycle at the South Pole with Polar noon in 3 weeks on the Solstice. The residual daily...

When Gemma Frisius first proposed the use of timekeeping to locate geographical locations on Earth in 1530, it took a number of centuries to get the scheme...

A myth has grown up around the notion that sunrise continues to occur later after the...

It's nice that Joe Average camera shooter is lured to look at Milky Way, but the tidal wave of these images begins to blur together with few standing out as...

$3500 for 3 inches, and tiny sensor. https://vaonis.com/telescopes

Not visible from N. America but maybe someone can get a shot elsewhere? http://www.astronomy.com/news/2018/12/mars-tonight

https://www.youtube.com/watch?v=9XMfhKxwo2c It takes courage to take part in engineering or compositional astronomy as people learn and adapt.

Sometimes imaging is so enchanting that no comment is the best course...

https://www.skyandtelescope.com/astronomy-news/observing-news/machholz-12th-comet/ Arizona comet hunter Don Machholz did it again! He discovered his 12th...

Canon Rebel 300D was used for astro photography by many 10-15 years ago. Some took out the IR filter or even installed cooling for the chip. I heard, 6 mega...

https://www.youtube.com/watch?v=rIesWBTUeiI It's called Geostationary Oscillation. Not all geo sats are directly above the equator, they can be slightly...

Perhaps that is just a bit hyperbolic, but I was truly shocked and dismayed to encounter this news...

Had Copernicus not made the compromise to predictive modelers, planetary climate would be discussed normally as the rate of change in surface condition across...

An article on the BBC illustrates the kind of thing global warming is doing to people: https://www.bbc.com/news/world-asia-45715550 John Savard

https://www.youtube.com/watch?time_continue=255&v=nod7rUzIX8w Enjoy!!!!

https://www.cnn.com/2018/11/26/world/nasa-insight-mars-landing-today/index.html

I got this cheap Nexstar achromat refractor, other night looked at the Moon and Mars with it, quiet good! At 110x power full Moon had a slight yellowish/green...