Star Stories Jan 2023

Our next stargazing and storytelling session at Abriachan Forest will be on New Moon (Jan 21st) and we welcome back Glasgow Science Centre astronomer Steve Owens to guide us under the stars (or present a backup indoor talk on the planets). Our guest campfire storyteller Fiona Macdonald should also be in attendance.

If you booked for the cancelled December event your tickets will carry over and will be valid for the Jan event.

If you missed out on the last few events we have a February and March events planned so stay tuned. The February tickets links and event details will go up in the next week.

Many thanks

2021 Perseids Meteor Shower

A bright meteor captured by Chris Cogan from his home in Sutherland, Scottish Highlands

The 2021 Perseids meteor shower is now underway with peak activity predicted in the early morning of August 11th, 12th and 13th.

The best times to view the shower will be close to and after midnight, when the Perseus radiant is rising higher in the East. However, you don’t need to look at the radiant to see shooting stars as they’ll appear to come from all directions.

This year a thin crescent Moon won’t impact the shower and will have set in the west before proper darkness sets in.  Look out for Jupiter and Saturn burning brightly on the southern horizon as you wait for shooting stars.

Observing the Perseids

You don’t need any special equipment to view a meteor shower, in fact binoculars or telescopes will just narrow your field of view. Grab a deck chair or camping mat and (if it’s cold) a warm blanket and lay out under the darkest conditions you can find, preferably away from urban light pollution. It’s an excellent activity to do alone, with family and friends, or if you have children they’ll love an excuse to get outside for some after dark play.

Put away any lights or bright mobile phone screens and simply look up and wait. Remember it takes up to 30 minutes for your eyes to fully dark adapt and any exposure to bright lights will start the process all over again. If you need a light, red LEDs or touches are best for preserving you night vision.

For optimal viewing, head out close to midnight or in the darkness of the pre dawn sky., when the radiant is highest in the sky.

Don’t Expect Too Much

You need to be patient with meteor showers.  Sometimes you’ll see many and other times very few or none at all. Think of it as a great excuse to get out under the stars and take in some fresh air.  Even if you don’t see much you probably won’t regret heading out and looking up.  Very rarely meteor showers can erupt into storms, like the Leonids in 1833 when over 100,000 shooting stars criss crossed the night sky!

What Causes a Meteor Shower

Meteors are the fine dust and particulates left over from comets and large asteroids which stray into our solar system.  Some of these are on predictable orbits and as they whizz around the Sun they melt and shed some of this material into space.  The Earth then travels through these giant dust trails as it orbits the Sun, producing predictable meteor showers.  The Perseids are generated by Comet Swift-Tuttle, which has a 133 year orbit.

Photographing the Perseids

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If your have a DSLR camera and tripod, or a suitable phone app like NightCap, you could try capturing some meteors with this rough guide.

  1. Firmly attach your camera or phone to the tripod.
  2. Disable autofocus and manually focus on some bright stars (make them as small and pin point as possible in your viewing screen)
  3. Set an ISO range somewhere between 1000-3000 depending on the capabilities of the sensor.  Mid 1000s is a good middle road.
  4. Turn off noise reduction or you’ll get big delays between each shot.
  5. Point your camera at a high and clear part of the sky.
  6. Shoot long exposures ranging from 10s to 30s, or simply use a remote shutter to take long manual exposures.  Note:  don’t go crazy with very long exposures or you’ll get amp glow from the sensor.
  7. Take lots and lots of shots and be patient!

If your camera has a time-lapse feature you can automate the shooting process and tell the camera to continually shoot 30 second exposures over a long interval.  Just watch out for dew forming on the lens if conditions are cold. Some hand warmers stuffed into a sock wrapped around the lens will solve this particular issue.

Good luck and clear skies!

February Star Stories Live

Abriachan Forest

I’ll once again be collaborating with Abriachan Forest (a dark sky discover site) to bring you another online Star Stories in February. This month we have two guest speakers fulfilling the astronomy and storytelling segments.

Eric Walker from the Highlands Astronomical Society joins us to speak about his passion for night sky and deep sky photography. He’ll be sharing some great tips to help you capture the wonders of the night sky yourself and many of the breathtaking pictures he’s captured over the years. (http://www.spacegazer.com)

Afterwards we’ll be joined by Daniel Allison – an acclaimed oral storyteller who performs everywhere from schools and prisons to global festivals. Daniel hosts the House of Legends Podcast and is the author of The Bone Flute, Silverborn, Scottish Myths & Legends and Finn & The Fianna. (https://www.houseoflegends.me)

Plus a What’s Up guide to the night sky from your truly. Due to current circumstances this event is free and open to everyone however we would kindly ask you to donate to the speakers directly via links which will go up during the sessions.Many thanks for your support in advance.

Join the event here: https://fb.me/e/4MxdmU9gt

Dark Skies at Torridon

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The Milky Way over the grounds of the Torridon Resort

I’ve had some fantastic excursions out to the Torridon Resort recently, where I deliver outreach astronomy and stargazing for guests at the hotel.

Weather can be unpredictable this far west but when conditions open up the skies are undoubtably some of the darkest in Scotland, easily surpassing the darkness levels over the Cairngorms, which are still hindered by skyglow from the populated Moray coast.  This far west there’s almost no skyglow and inky black skies allow amazing views of the Milky Way and deep sky objects like the Andromeda galaxy, open star clusters and faint nebulae.

In addition to hosting several stargazing dinners I was also involved in some filming with the BBC up at the Torridon and look forward to seeing if the starry sky sequences make the final cut.

If you’d like to treat yourself or a loved one to a special stargazing experience please see the details here on the Torridon’s website.  Meanwhile, enjoy some recent pictures I took from the hotel grounds and nearby Achnasheen.

The Quadrantids Meteor Shower 2019

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The Quadrantids meteor shower will peak on the night of Jan 3rd/4th

Although not normally singled out as a major meteor shower, the 2019 Quadrantids will peak under the darkness of a new Moon, offering the best chances of seeing an abundance of shooting stars if you can get away to a suitably dark location under favourable skies.

Like the Geminids, the Quadrantids are not produced by the debris from a comet, but by a large asteroid.  In this case asteroid 2003EH1 which orbits the Sun every five and a half years.

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An asteroid – 2003EH1 was discovered by Peter Jenniskens and astronomers of the LONEOS programme in Arizona

The time to begin looking up will run from January 1st until the 6th.  However rates will be low in general over this wide period.  For the best spectacle try and head out over the narrow peak of the shower, after midnight on January 3rd, when for a few hours the shower can theoretically produce between 50-100 meteors per hour, but only under ideal conditions.

If you’re observing close to midnight at Inverness latitudes (57 degrees) the radiant will be about 22 degrees high.  Therefore a more realistic estimate would be 20-30 per hour.  Stay out later and the radiant will rise higher increasing the theoretical rate.  If you’d like to know more about the technical considerations when estimating visible meteor rates check out this excellent blog post by Steve Owens.

The rough radiant for the Quadrantids is the constellation Bootes, although you don’t need to look in this direction to see them.

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Remember you don’t need to look at the radiant when viewing a meteor shower

Observing the Quadrantids

You don’t need any special equipment to view a meteor shower, in fact binoculars or telescopes will just narrow your field of view. Grab a deck chair or camping mat and a warm blanket, prepare a hot drink, wrap up warm and lay out under the darkest conditions you can find. It’s an excellent activity to do alone or if you have children they’ll love an excuse to get outside for some after dark play.

Put away any lights or bright mobile phone screens and simply look up and wait. Remember it takes up to 30 minutes for your eyes to fully dark adapt and any exposure to bright lights will start the process all over again. If you need a light, red leds or touches are best for preserving you night vision.

For optimal viewing, head out late at night after the Moon sets or in the darkness of the pre dawn sky., when the radiant is highest in the sky.

Photographing the Quadrantids

688x300_NightSkyCCD_ELMA_NPS_JeremyWhite

If your have a DSLR camera and tripod, or a suitable phone app like NightCap, you could try capturing some meteors with this rough guide.

  1. Firmly attach you camera to the tripod.
  2. Disable autofocus and manually focus at some bright stars (make them as small and pin point as possible in your viewing screen)
  3. Set an ISO range somewhere between 1000-3000 depending on the capabilities of the sensor.  Mid 1000s is a good middle road.
  4. Turn off noise reduction or you’ll get big delays between each shot.
  5. Point your camera at a high and clear part of the sky.
  6. Shoot long exposures ranging from 10s to 30s, or simply use a remote shutter to take manual exposures.  Note:  don’t go crazy with very long exposures or you’ll get amp glow from the sensor.
  7. Take lots and lots of shots and be patient!

If your camera has a time-lapse feature you can automate the shooting process and tell the camera to automatically take 30 second exposures over a long interval.  Just watch out for dew forming on the lens if conditions are cold.  Some hand warmers stuffed into a sock wrapped around the lens will solve this particular issue.

Good luck and clear skies!

 

Christmas Wirtanen Sighting

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Comet Wirtanen to the left of bright Capella, above Bunchrew, Inverness

I’m almost always rewarded in some form when I head out to observe, even in less than perfect conditions.  As it happened I knew comet Wirtanen was in a favourable position over Christmas and close to the 6th brightest star Capella.  I posted about it on Facebook here.

Despite the unfavourable early rising of the Moon and some patchy skies on Christmas eve I decided to take a short walk in the woods over Bunchrew, in the off chance I might catch the comet.

When I was sufficiently well away from the western lights of Inverness I looked up, and there was the comet faintly visible in binoculars.  Not the clearest I’ve seen it this year, but probably under the darkest conditions.

The took the picture above before I continued my walk, with the comet and Capella sitting above the trees.

Happy comet hunting!