Friday 16 March 2018

Grab that telescope - Quick!

Screenshot of Mercury from WinJUPOS software March 16th 2018 - 19h15mUT

The sky was full of lingering clouds, big black Venus and Mercury obscuring clouds!

It took a little time for my cloudbusting to work, but finally the bulk of the cloud parted to reveal a brilliant Venus, and just above and slightly to the right a glorious and very welcome Mercury.

It must be three years since I last spotted the winged messenger.

Due to the often cumulus filled horizons of this county and probably most counties in the United Kingdom, Mercury remains hidden from view for much of its possible observing season.

To the southwest a cloud bank was moving ominously westward, by the look of the formation I had maybe a five minute window to catch a peep of this fiery Sun hugging planet.

The Maksutov came to mind, light weight, portable and easy to set up.



Setting up on the garden bench was easy, with a 10mm eyepiece in place, red dot finder trained , I was up and observing in about two minutes total.

Mercury had about it an obvious crescent phase

As it happened I managed a whole ten minutes of planet peeping. 

Even though, it was worth the mad rush of setting up the telescope. It’s often like  this in Pembrokeshire. 

If I see the gaps in the sky, I have to rush and grab the telescope, hesitate and all is usually lost for the night!

Yet another reason to own a “grab and go” telescope.   


Thursday 8 March 2018

Unfriended of the stars of late.

"Some nights have been 
wholly unfriended of the stars of late".
Joseph H. Elgie author of "The stars night by night".


Of late, the  nights of Pembrokeshire have definitely been "unfriended" of stars!
Between the mist, rain and snow blizzards, astronomy has taken a back seat this past month or so.

But never mind, tonight looked perfect for stargazing. 

Several of the Little Bear stars were on show, a welcome sign of a possible good night's viewing.

Maksutov 90mm/f13.8 Catadioptric
It was time to take out the little 90mm Maksutov.


As big bright Orion was well placed ,first light in the viewfinder went to the uppermost star in Orion's Belt, Mintaka, a lovely white primary with a slightly bluish secondary. 

The trapezium's  four stars next, all perfectly round shining white, not a hint of flare or fuzziness.

Rigel's secondary was difficult to locate tonight, but it was possible to pick out its obvious blue tint.

Next Messier 44 the beehive or in Latin Praesepe.  With a 40mm plossl all looked bright and clear. 

Though to my mind, the Beehive always shows its best in binoculars.


Over then to Leo, and one of my favourite doubles Algeiba. 
A yellow primary with a green/yellow secondary. 

Occasionally the secondary to my eye appears slightly purple in colour. 


Plate 7 clearly showing Rigel's bluish  comes.
Atmospherics, different types of telescope and eyepieces, and probably my mood at the time combine to alter the colour of some double stars.

Over we go to Gemini. Castor next. 
Both primary and secondary beautiful ice white in colour. 

The primary and secondary could be twins, though the secondary is slightly smaller.

The little Maksutov sat on a chair and with the help of its red dot finder I was able to locate all objects that came to mind. 

I may one day look for a long legged tripod, but for now the little table top legs of the Maksutov will more than suffice for my style of observing.


If you want a portable all round decent scope for hunting down double stars, I highly recommend these little telescopes.


Clear skies 

Mark

The French Scorpion.

Last night we camped in the village of Sereilhac, some maybe 20 miles south west of Limoges. The temperature all day hovered around 30°C !  ...