Jump to content

  •  

CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.

Photo

Two Mars Sketches This Week November 19 and 21, 2020

  • Please log in to reply
17 replies to this topic

#1 frank5817

frank5817

    Hubble

  • *****
  • Moderators
  • topic starter
  • Posts: 15,569
  • Joined: 13 Jun 2006
  • Loc: Mesa, Arizona

Posted 21 November 2020 - 10:31 PM

Both of these sketches were centered on different parts of Mare Cimmerium. Try as I did I could not pick out Sinus Gomer. Hesperia and Syrtis Minor were clearly visible. Amazonis and Elysium appeared clear and featureless.  With the sketch I made on the twenty first near the western terminator Mare Sirenum was easily seen. South Polar cap and North Polar hood were both visible. The view on the twenty first provided much better than average seeing so I was able to use higher magnification (498x) that evening. On the nineteenth the seeing was below average and I was unable to exceed a magnification of 398x.

 

Sketch and Equipment:

 

Sketch using 2B and HB graphite and assorted color pencils, blending stumps, white Pearl eraser on white sketching paper, dark background created using Gimp 2.8
Temperature: 24ᵒ C (75ᵒ F) skies mostly clear, calm, seeing 3/5 - 4/5
Equipment Used: 16” f/4.41 Dobsonian, 4 mm and 6 mm eyepieces, filter used during observing polarizing only, sketch was made with filter in place both nights.

 

Frank smile.gif

 

Screenshot 2020-11-21 171306.jpg

 

Screenshot 2020-11-21 172408.jpg


  • Special Ed, Magellanico, rodelaet and 13 others like this

#2 Randolph Jay

Randolph Jay

    Vanguard

  • *****
  • Posts: 2,286
  • Joined: 29 Jul 2012
  • Loc: Palm Springs, CA US

Posted 21 November 2020 - 11:05 PM

Your Mars sketches really are superb!
Regards, clear skies,
Randolph

#3 astronz59

astronz59

    Apollo

  • *****
  • Posts: 1,226
  • Joined: 15 Sep 2010
  • Loc: Auckland, New Zealand

Posted 22 November 2020 - 12:05 AM

I like these sketches showing various distinct geographical features and the terminator creeping across. Thanks for sharing, Frank! waytogo.gif



#4 dweller25

dweller25

    Vanguard

  • -----
  • Posts: 2,180
  • Joined: 30 Aug 2007
  • Loc: Lancashire, UK

Posted 22 November 2020 - 03:10 AM

Brilliant sketches Frank smile.gifwaytogo.gif



#5 pedrovillamiel

pedrovillamiel

    Ranger 4

  • -----
  • Posts: 379
  • Joined: 18 Nov 2015
  • Loc: Alcorcón, Madrid. España

Posted 22 November 2020 - 03:14 AM

Two good observation jobs.
Thanks Frank



#6 Asbytec

Asbytec

    Guy in a furry hat

  • *****
  • Posts: 17,709
  • Joined: 08 Aug 2007
  • Loc: Pampanga, PI

Posted 22 November 2020 - 03:56 AM

Really nice sketches, Frank. That's the side of Mars that I keep missing. I'm a tiny bit envious. :)

Edited by Asbytec, 22 November 2020 - 03:56 AM.


#7 mdowns

mdowns

    Vanguard

  • *****
  • Moderators
  • Posts: 2,413
  • Joined: 12 Jun 2010
  • Loc: Englewood,FL

Posted 22 November 2020 - 07:39 AM

I agree with Norme,we are all a ' bit envious'. Well done.You referenced Sinus Gomer. Have you ever been able to consistently catch it with your scope?



#8 DDEV

DDEV

    Ranger 4

  • -----
  • Posts: 320
  • Joined: 07 Aug 2019
  • Loc: Dublin, Ireland

Posted 22 November 2020 - 08:18 AM

Hi Frank,

Another couple of wonderful sketches of Mars from you. You have lovely control with the coloured pencils, the subtle differences in colour really adds to the sketches... Well done. Also, your descriptions of each observational session is excellent.

Clear skies to you,

Darren.

#9 frank5817

frank5817

    Hubble

  • *****
  • Moderators
  • topic starter
  • Posts: 15,569
  • Joined: 13 Jun 2006
  • Loc: Mesa, Arizona

Posted 22 November 2020 - 10:30 AM

Randolph, Ian, David, Pedro, Norme, Michael, Darren:

 

Thank you all for your comments on these sketches.

 

----

Michael "You referenced Sinus Gomer. Have you ever been able to consistently catch it with your scope?"

in and out only closer to opposition (Oct.16), and with my 18" scope clearly back in 2003.

 

Frank smile.gif

 

PS thanks for the likes: Jef, Stanislas-Jean, Magellanico, johe, Raul, David Gray, Alexander, Michael


  • mdowns likes this

#10 chrisrnuttall

chrisrnuttall

    Viking 1

  • *****
  • Posts: 907
  • Joined: 29 Dec 2010
  • Loc: York, England

Posted 22 November 2020 - 12:18 PM

I would agree Frank, I am struggling with the tiny fine details like Gomer now. The disc was so big and the Martian atmosphere so clear for a month either side of opposition that it was a joy / challenge to try and see finer and finer detail on the best evenings. No more now Mars shrinks..... 



#11 frank5817

frank5817

    Hubble

  • *****
  • Moderators
  • topic starter
  • Posts: 15,569
  • Joined: 13 Jun 2006
  • Loc: Mesa, Arizona

Posted 22 November 2020 - 02:44 PM

Chris,

 

It is true all good things come to an end.

I really enjoy seeing your fine sketches and reports.

 

Frank :)



#12 Aquarellia

Aquarellia

    Gemini

  • *****
  • Posts: 3,301
  • Joined: 27 Oct 2012
  • Loc: Artignosc, Provence, France

Posted 22 November 2020 - 07:16 PM

Nice sketches Frank, some other for your collection!

I feel it's so sad that we are not able to sketch Mars  crater, isn't it?

Michel



#13 frank5817

frank5817

    Hubble

  • *****
  • Moderators
  • topic starter
  • Posts: 15,569
  • Joined: 13 Jun 2006
  • Loc: Mesa, Arizona

Posted 22 November 2020 - 08:58 PM

Hello Michel,

 

Thank you.

 

That would be nice wouldn't it to see the volcanoes and craters on the Martian surface. Just details too small and far away for my scopes.

 

Frank :)



#14 Uwe Pilz

Uwe Pilz

    Gemini

  • *****
  • Moderators
  • Posts: 3,201
  • Joined: 16 May 2008
  • Loc: Leipzig, Germany

Posted 23 November 2020 - 06:02 AM

I like the rendering of hues a lot. This is what you can expect at the eyepiece.



#15 Marvin452

Marvin452

    Vostok 1

  • *****
  • Posts: 179
  • Joined: 11 May 2019
  • Loc: Cape Coral, Fl.

Posted 23 November 2020 - 07:01 AM

Frank,

Thank you for sharing your sketches - its exactly what I observed on the 21st as well, although my view lacked your very fine detail.

 

Trent



#16 niteskystargazer

niteskystargazer

    Cosmos

  • *****
  • Posts: 8,119
  • Joined: 05 Oct 2009
  • Loc: 41-43'-28" N 87-42'-39" W

Posted 23 November 2020 - 12:43 PM

Frank,

 

Very nice sketches of Two Mars (This Week November 19 and 21, 2020) smile.gif .

 

CS,KLU,

 

thanx.gif ,

 

Tom



#17 frank5817

frank5817

    Hubble

  • *****
  • Moderators
  • topic starter
  • Posts: 15,569
  • Joined: 13 Jun 2006
  • Loc: Mesa, Arizona

Posted 23 November 2020 - 12:49 PM

Uwe, Trent, and Tom

 

Thank you for your kind words concerning these sketches..

 

Frank :)



#18 Special Ed

Special Ed

    Voyager 1

  • *****
  • Posts: 11,044
  • Joined: 18 May 2003
  • Loc: Greenbrier County, WV 38N, 80W

Posted 24 November 2020 - 10:18 AM

You've been a busy boy, Frank.  smile.gif   Nice work and no less than we expect from you.  waytogo.gif   Looks like you may have caught some of the glow from the dust in the atmosphere on the p. limb SE of Sirenum in your second sketch.  cool.gif

 

We've been under our normal cloud cover and it's been spitting snow too--no observing here.


Edited by Special Ed, 24 November 2020 - 10:19 AM.



CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.


Recent Topics






Cloudy Nights LLC
Cloudy Nights Sponsor: Astronomics